Singles
2003 RCA Championships
Champion	Andy Roddick
Runner-up	Paradorn Srichaphan
Score	7–6(7–2), 6–4
Draw	48 (6 Q / 4 WC )
Seeds	16

Greg Rusedski was the defending champion but lost in the second round to Scott Draper.

Andy Roddick won in the final 7–6^(7–2), 6–4 against Paradorn Srichaphan.

Seeds

All sixteen seeds received a bye to the second round.

Draw

Finals

	Semifinals							Final
	1	Andy Roddick	6	6
	3	Sjeng Schalken	3	2
								1	Andy Roddick	77	6
								2	Paradorn Srichaphan	62	4
		Nicolas Thomann	6	65	3
	2	Paradorn Srichaphan	4	77	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	A Roddick	65	6	77
		C Saulnier	6	6					C Saulnier	77	3	64
	Q	M Behrmann	0	3											1	A Roddick	6	6
		G Carraz	4	6	6											G Carraz	3	4
		N Okun	6	3	4				G Carraz	6	3	77
								15	K Carlsen	4	6	65
																						1	A Roddick	6	6
																						9	X Malisse	4	1
								9	X Malisse	6	6
	WC	R Ram	6	6				WC	R Ram	2	4
	LL	I Levine	1	3											9	X Malisse	6	6
		T Enqvist	77	3	6										5	J-M Gambill	4	2
		J Vacek	65	6	3				T Enqvist	2	2
								5	J-M Gambill	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
								3	S Schalken	6	6
	Q	J Benneteau	1	0					I Miranda	3	1
		I Miranda	6	6											3	S Schalken	6	6
		E Taino	3	6	7										13	L Burgsmüller	4	2
		M Chang	6	3	5				E Taino	3	4
								13	L Burgsmüller	6	6
																						3	S Schalken	1	6	6
																						7	R Ginepri	6	1	2
								11	M Ančić	3	6	5
		I Heuberger	6	6					I Heuberger	6	2	7
		H Levy	1	1												I Heuberger	1	3
	Q	A Ram	1	6	4										7	R Ginepri	6	6
		P Luczak	6	3	6				P Luczak	3	3
								7	R Ginepri	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								8	H-T Lee	4	5
		N Thomann	6	6					N Thomann	6	7
	Q	D Ayala	4	4												N Thomann	6	6
		R Delgado	4	6	4											W Moodie	3	4
		W Moodie	6	2	6				W Moodie	6	4	77
								12	B Vahaly	3	6	61
																							N Thomann	77	7
																						14	N Kiefer	62	4
								14	N Kiefer	6	6
	Q	P Amritraj	6	3	7			Q	P Amritraj	3	1
		S Roitman	3	6	5										14	N Kiefer	6	6
	Q	N Zimonjić	65	4											4	Y Kafelnikov	3	4
		J Tipsarević	77	6					J Tipsarević	5	3
								4	Y Kafelnikov	7	6

Section 4

	First round							Second round							Third round							Quarterfinals
								6	M Fish	7	65	6
		C Mamiit	1	3				WC	C Guccione	5	77	4
	WC	C Guccione	6	6											6	M Fish	6	63	3
		S Draper	7	6												S Draper	3	77	6
	WC	B Reynolds	5	3					S Draper	3	77	77
								10	G Rusedski	6	64	64
																							S Draper	4	2
																						2	P Srichaphan	6	6
								16	J Gimelstob	2	4
		A Kim	3	6	4				A Bogomolov Jr.	6	6
		A Bogomolov Jr.	6	1	6											A Bogomolov Jr.	4	3
		R Mello	77	4	5										2	P Srichaphan	6	6
	WC	A Delić	63	6	7			WC	A Delić	77	63	1
								2	P Srichaphan	65	77	6

External links

• Main draw
• Qualifying draw