Course layout

Preliminary length is shown. The final length came to differ between each round.

^[3]

Exempt from qualifying

Many players were exempt in multiple categories. Players are listed only once, in the first category in which they became exempt, with additional categories in parentheses () next to their names.^{[lower-alpha 1][lower-alpha 2][4]}

1. Winners of the U.S. Women's Open (ten year exemption^{[lower-alpha 3]}).

• Janet Alex Anderson, Kathy Baker Guadagnino, Susie Berning (5), Donna Caponi (5), Kathy Cornelius, Sandra Haynie (5), Catherine Lacoste (4), Meg Mallon (5,6), Betsy Rawls (5), Patty Sheehan (5,6) and Mickey Wright (5) did not play.

2. From the 2018 U.S. Women's Open, any player returning a 72-hole score.

3. Winners of the U.S. Women's Amateur who later turned professional (three year exemption^{[lower-alpha 3]}).

• Jean Ashley Crawford, Beth Daniel (5,6), Mary Lou Dill, Cindy Hill (11), Donna Horton White, Deb Richard (6), Cathy Sherk and Pearl Sinn did not play.

4. Winners of the U.S. Women's Amateur who did not turn professional (five year exemption^{[lower-alpha 3]}) and the 2017 runner-up.

• Mary Budke, Martha Kirouac, Patricia Lesser Harbottle, Barbara McIntire, Anne Quast Sander, Marlene Stewart Streit and Carol Semple Thompson did not play.

5. Winners of the other LPGA majors (ten year exemption^{[lower-alpha 3]}). This includes Canadian Women's Open champions prior to 2000.

• Jody Rosenthal Anschutz, Betty Burfeindt, Gloria Ehret, Shirley Englehorn, Marlene Hagge, Chako Higuchi, Judy Kimball Simon, Nancy Lopez (6), Mary Mills, Pat O'Sullivan Lucey, Dottie Pepper (6), Sandra Post, Kelly Robbins, Marilynn Smith, Sherri Steinhauer (6), Sherri Turner (6), Kathy Whitworth and Joyce Ziske did not play.

6. The top 150 money leaders from the 2017 LPGA Tour all-time money list.

• Tina Barrett, Dale Eggeling, Ayako Okamoto, Kim Saiki-Maloney, and Val Skinner (12) did not play.

7. Winners of the LPGA Teaching & Club Professionals Championship (last five years) and the top five finishers from the most recent Championship.

8. Winners of official LPGA Tour events from the last five years and the current year.

9. Top five leaders of the 2017 Ladies European Tour and 2017 LPGA of Japan Tour career money lists.

10. Playing members of the last five Solheim Cup teams.

11. Low ten and ties from the 2017 Senior LPGA Championship.

12. Top 30 points leaders from the 2016 and 2017 Legends Tour Performance Points list.

13. Winners of Legends Tour events from the last two years and the current year (36-hole minimum).

14. Winners of U.S. Senior Women's Amateur from the last two years and the 2017 runner-up.

15. Winners of the 2016 and 2017 U.S. Women's Mid-Amateur.

16. Playing members of the two most current Curtis Cup and U.S. Espirito Santo Trophy teams.

17. Winner of the 2017 Ladies' Senior British Open Amateur and Canadian Women's Senior Amateur.

18. Special exemptions granted by the USGA.

Qualifiers

Additional players qualified through sectional qualifying tournaments which took place Jun 4–20 at sites across the United States.^[4]

Final leaderboard

Sunday, July 15, 2018

Place	Player	Score	To par	Money (US$)
1	Laura Davies	71-71-66-68=276	−16	180,000
2	Juli Inkster	73-72-68-73=286	−6	108,000
3	Trish Johnson	71-71-73-73=288	−4	68,650
4	Danielle Ammaccapane	75-71-71-74=291	−1	48,110
5	Yuko Saito	76-71-73-74=294	+2	40,071
T6	Helen Alfredsson	72-79-73-71=295	+3	33,782
	Liselotte Neumann	71-76-76-72=295
T8	Tammie Green Parker	76-75-79-67=297	+5	26,192
	Rosie Jones	77-73-71-76=297
T10	Suzy Green-Roebuck	75-75-74-74=298	+6	22,806
	Martha Leach (a)	78-75-72-73=298

Sources:^[6][7]