2006: Grand Slam debut and first win

On June 11, 2006, Querrey became the first player to win a challenger event in his pro debut. He won in the Yuba City and Winnetka challengers. He won his first-round match at the Indian Wells Masters tournament over Bobby Reynolds, before falling to James Blake in three sets. He defeated American Vince Spadea at the Countrywide Classic in Los Angeles. At the 2006 US Open, Querrey received a wildcard and defeated Philipp Kohlschreiber in straight sets, before falling to Gastón Gaudio in the second round.^[12]

2007: Australian Open third round, top 50 debut

At the 2007 Australian Open, he advanced to the third round. He defeated José Acasuso, the 27th seed, in the first round. In the second round, he defeated Frenchman Florent Serra in straight sets, but in the third round lost to 7th seed Tommy Robredo in four sets.

At the 2007 Indianapolis Tennis Championships, he hit 10 consecutive aces when he defeated James Blake in the quarterfinals. This is believed to be an Open Era record.^[13]

At the 2007 Western & Southern Open, he defeated thirteenth seed Mikhail Youzhny and advanced to the quarterfinals after defeating Argentina's Juan Mónaco, who had defeated Rafael Nadal in the previous round. He lost to No. 9 seed James Blake, but made his top 50 debut at No. 47 afterwards. At this time, Querrey was the third-ranked American behind Andy Roddick and Blake.

In August 2007 at the US Open, Austrian Stefan Koubek defeated Querrey in the first round.

2008: First ATP World Tour title

In January 2008 at the Australian Open, Querrey defeated Belgian Olivier Rochus in the first round. In the second round, he then beat Russian Dmitry Tursunov. He lost in the third round to the eventual champion, Serbian Novak Djokovic.

In March, Querrey won his first ATP level tournament at the Tennis Channel Open in Las Vegas. In the final, Querrey defeated qualifier Kevin Anderson of South Africa in three sets. The next month, at the Monte-Carlo Masters, Querrey reached the quarterfinals, defeating former French Open champion Carlos Moyá, Andreas Seppi, and No. 7 seeded Richard Gasquet.

Querrey played tennis for the US at the Beijing Summer Olympics in 2008. He advanced to the fourth round of the US Open by defeating 14th seed Ivo Karlović of Croatia, where he was defeated in four sets by world No. 1 Rafael Nadal.

Querrey was tapped to play for the US in the Davis Cup semifinals against Spain as a replacement for James Blake, who had withdrawn citing exhaustion. In Querrey's first-ever Davis Cup match, he lost to world No. 1 Rafael Nadal in four sets.

2009: Second ATP title

Querrey at the 2009 French Open

Querrey participated in the 2009 Heineken Open in Auckland, New Zealand in January, where he was the sixth seed. Querrey made it to the final, where he was defeated in straight sets by top-seed Juan Martín del Potro. In the 2009 Australian Open, Querrey lost in his opening round to Philipp Kohlschreiber. In the SAP Open in San Jose, Querrey beat Cypriot wildcard Marcos Baghdatis in the opening match. Querrey then beat Denis Gremelmayr, in 52 minutes.

In the 2009 Campbell's Hall of Fame Tennis Championships in Newport, Rhode Island, No. 3 seeded Querrey advanced to the final against compatriot and first-time finalist and lucky loser Rajeev Ram, who had entered the main draw when top seed Mardy Fish had to take Andy Roddick's place in the Davis Cup quarterfinals. Querrey lost the match. Querrey was seeded No. 3 for the 2009 Indianapolis Tennis Championships, where he made his second final in as many tournaments. However, Querrey fell to unseeded American Robby Ginepri.

Querrey in Indianapolis

Querrey defeated No. 1 seeded Tommy Haas to advance to the final of the LA Tennis Open. He defeated qualifier Carsten Ball in the final for his only title of the year.^[14] Querrey next played at the ATP Tour 500 event in Washington, where he lost to top seed Andy Roddick, in the round of 16. He also played at the Cincinnati Masters losing in the third round to Lleyton Hewitt. By reaching the quarterfinals in New Haven, he won the 2009 US Open Series, qualifying for the accompanying bonus following the 2009 US Open. Querrey reached the final in New Haven, before losing to Fernando Verdasco. In the 2009 US Open, Querrey lost in the third round to Robin Söderling in four sets.

Querrey's year was ended prematurely by a potentially career-threatening accident in which a glass table he was sitting on collapsed, impaling his arm and requiring emergency surgery; the location of injury just missed causing nerve damage, which could have ended his tennis career.^[15] Querrey finished the year ranked a career-high No. 25, and as the No. 2 American behind Andy Roddick.

2010: First ATP 500 title

Although seeded at the Australian Open, Querrey lost in the first round to 2003 Australian Open finalist Rainer Schüttler. Querrey then reached the semifinals of the SAP Open, where he lost to Andy Roddick in singles.{ However, Querrey teamed with Mardy Fish to win the doubles title.

Querrey's next tournament was the 2010 Regions Morgan Keegan Championships, where he was seeded eighth. He defeated defending champion Roddick in the quarterfinals. He then defeated Ernests Gulbis in the semifinals, and defeated fellow American John Isner, for the championship. Querrey also teamed with Isner in the doubles, where they won the championship; Querrey became the first player to win the singles and doubles at Memphis simultaneously since 1981. At the Abierto Mexicano Telcel, he lost in the first round against Fernando González in three sets.

Querrey and Isner were selected to play singles for the United States Davis Cup Team against Serbia on indoor clay in March 2010. After losing to Novak Djokovic in four sets, Querrey managed to beat Viktor Troicki in straight sets in the unnecessary fifth match.

At the BNP Paribas Open, Querrey was seeded 17th and, after receiving a bye in the first round, then beat Jérémy Chardy in straight sets. In the third round, he was beaten by doubles partner John Isner in straight sets. At the Sony Ericsson Open, seeded 21st this time, after receiving a bye in the first round, he lost to Jérémy Chardy in three sets.

In April, he played at the U.S. Men's Clay Court Championships. After receiving a bye in the first round, he beat Blaž Kavčič in straight sets in the second round, and in the quarterfinal, beat Nicolás Massú in three sets. In the semifinals, he beat Wayne Odesnik to reach his eighth final on the ATP World Tour. He lost to Argentine Juan Ignacio Chela in the final.

He reached the doubles final with John Isner at the 2010 Rome Masters, but lost to Davis Cup teammates Bob and Mike Bryan.

Querrey played in the 2010 Serbia Open and progressed to the final, where he faced Davis Cup teammate John Isner. Querrey defeated Isner, for his second title of the year, and his first ATP title on clay.

At the 2010 French Open, Querrey was seeded 18th, but lost in the first round to fellow American Robby Ginepri in four sets. He withdrew from the doubles event, where he and Isner were the 12th seeds.

In the Queens Club in London, Querrey beat fellow American Mardy Fish in straight sets, in the final of the Aegon Championships. The victory made him the first American to win the tournament since Andy Roddick. The victory gave Querrey his third title of the season, making him the only player besides Rafael Nadal to win at least three titles, and made Querrey the first player in 2010 to win titles on three different surfaces. This was Querrey's first ATP tour title on grass.

American Sam Querrey playing at the 2010 Queens Club Tennis Tournament.

Despite being ranked No. 21 in the world at the time, Querrey was seeded No. 18 at Wimbledon, due to his Queen's Club result. He was entered in the doubles with Isner, where they were the 12th seeds, but the partners agreed to forfeit after Isner played the longest tennis match in history.^[16] In the singles, Querrey defeated 2002 Wimbledon semifinalist Xavier Malisse in five sets to reach the fourth round of Wimbledon for the first time, where he lost to Andy Murray.

Querrey defended his title at the Farmers Classic in Los Angeles, winning a third-set tiebreaker in the quarterfinals against 2003 Australian Open finalist Rainer Schüttler, then defeating Janko Tipsarević in the semifinals, to reach his fifth final of the year. In the final, Querrey faced world No. 4 and 2010 Australian Open finalist Andy Murray. Querrey defeat Murray in the final. This was his first successful title defense, making him the first man since Andre Agassi to win two consecutive titles at this tournament.^[17]

Querrey next played in Washington, where he lost in the first round to Janko Tipsarević. During his time in Washington, he along with Bob and Mike Bryan conducted a tennis clinic for children, where they unexpectedly met president Barack Obama.^[18]

After early losses in the Canada Masters and the Cincinnati Masters, Querrey entered the 2010 US Open ranked No. 22 and seeded No. 20. He defeated Bradley Klahn in four sets, then defeated Marcel Granollers and 14th seed Nicolás Almagro in straight sets to reach the fourth round, tying his previous best result in any Grand Slam. In the fourth round, he lost to 25th seed Stanislas Wawrinka.

2011: First masters doubles title

Querrey struggled with injury during this year. He reached the quarterfinals of two tournaments, both ATP 500 series. The first in Memphis in February, where he lost to Mardy Fish, and the second in Valencia, where he was beaten in straight sets by Juan Martín del Potro.

He was eliminated in the second round of the 2011 French Open by Ivan Ljubičić, and did not play at Wimbledon or the US Open, due to an elbow injury that required surgery.^[19]

2012: Seventh ATP title

Querrey at the 2012 Nice Open

Ar the Australian Open, Querrey made it to the second round, where he was defeated by Bernard Tomic in four sets.^[20]

Querrey reached the semifinals of the Aegon Championships, losing to Marin Čilić.^[21] Querrey progressed to the third round of Wimbledon, only to once again lose to Čilić. This was the second-longest match played in Wimbledon history, clocking in at 5 hours and 31 minutes, second only to the Isner-Mahut match at the 2010 Wimbledon Championships (11 hours and 5 minutes over 3 days).^[22]

At the Farmers Classic, Querrey defeated Ričardas Berankis for his third Los Angeles title in four years.^[23] Querrey then went on to making the third round at the US Open, losing to Tomáš Berdych. At the BNP Paribas Masters, Querrey defeated Novak Djokovic in the second round.

2013: 200 career wins

Querrey at the 2013 Wimbledon Championships

Early in the year, Querrey made the semi-finals in Auckland and San Jose. He exited in the fourth round of Indian Wells and Miami, losing to Novak Djokovic and Tomáš Berdych, respectively.

In Davis Cup competition in Boise, he won his first rubber against Viktor Troicki, but lost the deciding rubber against Djokovic, despite the fact that Djokovic suffered an ankle injury early in the match.

Querrey was eliminated in the first round in Madrid, Rome, and Wimbledon. He did not have a good summer on the North American hard-court swing and consequently slipped out of the top 20, ceding his place as top American player to his friend John Isner.

The year was not very successful, since Querrey failed to make a single final for the first time since 2011.

2014: Australian Open third round, loss of form

Querrey also struggled early in 2014, being eliminated in the first round in Brisbane and Sydney. However, he made it to the third round of the Australian Open, defeating Santiago Giraldo and Ernests Gulbis, before succumbing to Fabio Fognini. He lost both of his ties in the Davis Cup against Great Britain in San Diego in January and was eliminated in the first round in Memphis and Delray Beach. He made it into the second round in Indian Wells and Miami, losing to Andreas Seppi and Nicolás Almagro, respectively. He had his best showing of the year thus far in Houston, where he made the semifinals of the clay-court event. However, there he again lost to Almagro.

Querrey failed to qualify in Rome and Nice, continuing his frustrating year. He also lost his first match in the second round in Nice to Albert Montañés. At the French Open, Sam defeated Filippo Volandri in the first round, but went down to Dmitry Tursunov in the second in straight sets. His form picked up at the Queen's Club grass tournament, where he defeated Jérémy Chardy and Denis Kudla in the first two rounds. He lost in the third round to eventual semifinalist Stanislas Wawrinka. Sam made it to the semifinals of the Aegon International in Eastbourne, England, but fell to eventual champion Feliciano López.

2015: US Open mixed doubles runner-up

Querrey reached his first singles final for three years at the U.S. Men's Clay Court Championships, where he was beaten by compatriot Jack Sock. Querrey then reached the final of the Nottingham Open, where he lost to Uzbek Denis Istomin. Both Sock and Istomin were first-time ATP tour singles winners.

2016: First Grand Slam quarterfinal

After failing to make it past the 2nd round of any tournament since July, Querrey started 2016 with a very strong run, reaching the semi-finals in Memphis, where he would lose to the eventual champion Kei Nishikori. The following week, Querrey reached the final at Delray Beach, where he defeated American Rajeev Ram to win his first ATP title since 2012 and return to the Top 50 of the world rankings.

At Wimbledon, Querrey faced Novak Djokovic in the 3rd round while his opponent was holding all four majors. Despite being listed as high as a 30–1 underdog,^[24] Querrey upset the world No. 1 player in four sets to snap Djokovic's streak of reaching at least the quarterfinals in every Grand Slam since the 2009 French Open, and his streak of 30 consecutive Grand Slam match wins.^[25] It was also Querrey's first win over a No. 1 ranked player. He then continued his successful run by defeating Nicolas Mahut to become the first American man to reach the quarterfinals of a Grand Slam since John Isner and Andy Roddick did so at the 2011 U.S. Open. In the quarterfinals, he lost to Canadian Milos Raonic in four sets.^[8] Despite this defeat, the 2016 Championships marked Querrey's best ever performance at a Grand Slam.

Querrey then entered the 2016 US Open but lost to Serbia's Janko Tipsarević in the first round. He also played doubles with fellow American Steve Johnson but lost to Italians Fabio Fognini & Andreas Seppi in the first round.

2017: First Grand Slam semifinal, American No. 1

Querrey opened 2017 in Brisbane where he fell in a Round of 32 match to Diego Schwartzman. He then won his first two matches in the first major of the season (Australian Open) before falling in straight sets to No. 1 Andy Murray. Returning to the US, he helped the US defeat Switzerland in the first round of the Davis Cup by winning his singles match against Adrien Bossel.

February saw Querrey compete in Memphis where he fell in his opening match to eventual champion Ryan Harrison. He then competed at Delray Beach where he fell in the quarterfinals to Juan Martín del Potro in straight sets. At the ATP Acapulco tournament he beat David Goffin, Dominic Thiem, and Nick Kyrgios, before defeating world No. 6 Rafael Nadal for his first career victory over the former world No. 1 player and his ninth career ATP singles title. At Wimbledon, Querrey defeated Murray in five sets to earn a spot in his first semi-final at Wimbledon. Querrey lost to Marin Čilić in the semifinals in 4 sets.^[26] Furthering his success in Mexico, he won the 2017 Los Cabos Open in August, defeating Thanasi Kokkinakis in the final.

At the 2017 US Open he became the first male American to reach the quarterfinals since Andy Roddick and John Isner both did so in 2011, at which he was defeated by Kevin Anderson.

To conclude his 2017 campaign, Querrey was named as an alternate in singles for the 2017 ATP Finals but did not get to play at all.^[27]

2018–2019: Masters 1000 quarterfinal, two finals, 350th match win

Querrey at the 2019 Wimbledon Championships

Querrey made the quarterfinals of the 2018 Indian Wells Masters and the finals of the 2018 New York Open and the 2019 Eastbourne International.

2020–2021: Return to top doubles 100, out of top singles 100

After an extended period of having struggles with form, not being able to pass the first round in a couple of Grand Slams since the 2020 Australian Open, Querrey found his form just before the start of the 2020 Wimbledon Championships, where he (unseeded) reached his 20th final, in the first edition of the Mallorca Championships with a 70-minute win against Frenchman Adrian Mannarino.^[28] He lost in the final to Daniil Medvedev.^[29]

At the 2021 US Open he reached the quarterfinals^[30] and semifinals in doubles partnering Steve Johnson as a wildcard pair. They were defeated in the semifinal by the eventual champions Rajeev Ram and Joe Salisbury. As a result, he reached No. 83 in doubles on September 13, 2021. He finished the year ranked outside the top 100 at No. 108.

2022: Return to top 100, loss of form, out of top 250, retirement

At the 2022 Queen's Club Championships he reached the second round as a qualifier. As a result, he moved back into the top 100 on June 20, 2022. Following a first round exit at 2022 Wimbledon Championships and at the 2022 Hall of Fame Open in Newport, he dropped out of the top 250 in the rankings. He received a wildcard for the 2022 US Open.^[31]

He announced his retirement on August 30 and played his last matches in singles at the US Open where he lost in the first round to Ilya Ivashka and in doubles with good friend Steve Johnson where they lost in the first round to Wesley Koolhof and Neal Skupski.^[32]

Mixed doubles: 1 (1 runner-up)

Result	Year	Tournament	Surface	Partner	Opponents	Score
Loss	2015	US Open	Hard	Bethanie Mattek-Sands	Martina Hingis Leander Paes	4–6, 6–3, [7–10]

Doubles: 3 (1 title, 2 runners–up)

Result	Year	Tournament	Surface	Partner	Opponents	Score
Loss	2010	Italian Open	Clay	John Isner	Bob Bryan Mike Bryan	3–6, 2–6
Win	2011	Italian Open	Clay	John Isner	Mardy Fish Andy Roddick	w/o
Loss	2012	Indian Wells Masters	Hard	John Isner	Marc López Marcel Granollers	2–6, 6–7(3–7)

Singles: 20 (10 titles, 10 runner-ups)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	Mar 2008	Las Vegas Open, US	International	Hard	Kevin Anderson	4–6, 6–3, 6–4
Loss	1–1	Jan 2009	Auckland Open, New Zealand	250 Series	Hard	Juan Martín del Potro	4–6, 4–6
Loss	1–2	Jul 2009	Hall of Fame Tennis Championships, US	250 Series	Grass	Rajeev Ram	7–6(7–3), 5–7, 3–6
Loss	1–3	Jul 2009	Indianapolis Tennis Championships, US	250 Series	Hard	Robby Ginepri	2–6, 4–6
Win	2–3	Aug 2009	Los Angeles Open, US	250 Series	Hard	Carsten Ball	6–4, 3–6, 6–1
Loss	2–4	Aug 2009	Connecticut Open, US	250 Series	Hard	Fernando Verdasco	4–6, 6–7(6–8)
Win	3–4	Feb 2010	Memphis Open, US	500 Series	Hard (i)	John Isner	6–7(3–7), 7–6(7–5), 6–3
Loss	3–5	Apr 2010	U.S. Men's Clay Court Championships, US	250 Series	Clay	Juan Ignacio Chela	7–5, 4–6, 3–6
Win	4–5	May 2010	Serbia Open, Serbia	250 Series	Clay	John Isner	3–6, 7–6(7–4), 6–4
Win	5–5	Jun 2010	Queen's Club Championships, UK	250 Series	Grass	Mardy Fish	7–6(7–3), 7–5
Win	6–5	Aug 2010	Los Angeles Open, US (2)	250 Series	Hard	Andy Murray	5–7, 7–6(7–2), 6–3
Win	7–5	Jul 2012	Los Angeles Open, US (3)	250 Series	Hard	Ričardas Berankis	6–0, 6–2
Loss	7–6	Apr 2015	U.S. Men's Clay Court Championships, US	250 Series	Clay	Jack Sock	6–7(9–11), 6–7(2–7)
Loss	7–7	Jun 2015	Nottingham Open, UK	250 Series	Grass	Denis Istomin	6–7(1–7), 6–7(6–8)
Win	8–7	Feb 2016	Delray Beach Open, US	250 Series	Hard	Rajeev Ram	6–4, 7–6(8–6)
Win	9–7	Mar 2017	Mexican Open, Mexico	500 Series	Hard	Rafael Nadal	6–3, 7–6(7–3)
Win	10–7	Aug 2017	Los Cabos Open, Mexico	250 Series	Hard	Thanasi Kokkinakis	6–3, 3–6, 6–2
Loss	10–8	Feb 2018	New York Open, US	250 Series	Hard (i)	Kevin Anderson	6–4, 3–6, 6–7(1–7)
Loss	10–9	Jun 2019	Eastbourne International, UK	250 Series	Grass	Taylor Fritz	3–6, 4–6
Loss	10–10	Jun 2021	Mallorca Open, Spain	250 Series	Grass	Daniil Medvedev	4–6, 2–6

Doubles: 13 (5 titles, 8 runner-ups)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Feb 2010	Pacific Coast Championships, US	250 Series	Hard (i)	Mardy Fish	Benjamin Becker Leonardo Mayer	7–6(7–3), 7–5
Win	2–0	Feb 2010	U.S. National Indoor Tennis Championships, US	500 Series	Hard (i)	John Isner	Ross Hutchins Jordan Kerr	6–4, 6–4
Loss	2–1	May 2010	Italian Open, Italy	Masters 1000	Clay	John Isner	Bob Bryan Mike Bryan	2–6, 3–6
Loss	2–2	Apr 2011	U.S. Men's Clay Court Championships, US	250 Series	Clay	John Isner	Bob Bryan Mike Bryan	7–6(7–4), 2–6, [5–10]
Win	3–2	May 2011	Italian Open, Italy	Masters 1000	Clay	John Isner	Mardy Fish Andy Roddick	Walkover
Loss	3–3	Mar 2012	Indian Wells Masters, US	Masters 1000	Hard	John Isner	Marc López Rafael Nadal	2–6, 6–7(3–7)
Win	4–3	Apr 2012	U.S. Men's Clay Court Championships, US	250 Series	Clay	James Blake	Treat Huey Dominic Inglot	7–6(16–14), 6–4
Loss	4–4	Aug 2012	Washington Open, US	500 Series	Hard	Kevin Anderson	Treat Huey Dominic Inglot	6–7(7–9), 7–6(11–9), [5–10]
Loss	4–5	Jul 2014	Atlanta Open, US	250 Series	Clay	Steve Johnson	Vasek Pospisil Jack Sock	3–6, 7–5, [5–10]
Loss	4–6	Feb 2016	Memphis Open, US	250 Series	Hard (i)	Steve Johnson	Mariusz Fyrstenberg Santiago González	4–6, 4–6
Win	5–6	May 2016	Geneva Open, Switzerland	250 Series	Clay	Steve Johnson	Raven Klaasen Rajeev Ram	6–4, 6–1
Loss	5–7	Jan 2017	Brisbane International, Australia	250 Series	Hard	Gilles Müller	Thanasi Kokkinakis Jordan Thompson	6–7(7–9), 4–6
Loss	5–8	Oct 2017	Vienna Open, Austria	500 Series	Hard (i)	Marcelo Demoliner	Rohan Bopanna Pablo Cuevas	6–7(7–9), 7–6(7–4), [9–11]

Singles

Doubles

Profiles

• Sam Querrey at the Association of Tennis Professionals
• Sam Querrey at the International Tennis Federation
• Sam Querrey at the Davis Cup
• Sam Querrey at IMDb