2003 U.S. Men's Clay Court Championships – Doubles

Mardy Fish and Andy Roddick were the defending champions but lost in the semifinals to Mark Knowles and Daniel Nestor.

Doubles
2003 U.S. Men's Clay Court Championships
Champions	Mark Knowles Daniel Nestor
Runners-up	Jan-Michael Gambill Graydon Oliver
Final score	6–4, 6–3

Knowles and Nestor won in the final 6–4, 6–3 against Jan-Michael Gambill and Graydon Oliver.

Seeds

Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.

1. Mark Knowles / Daniel Nestor (Champions)
2. Jan-Michael Gambill / Graydon Oliver (Final)
3. Sebastián Prieto / André Sá (First Round)
4. Devin Bowen / Ashley Fisher (Semifinals)

Draw

Key

• Q = Qualifier
• WC = Wild Card
• LL = Lucky Loser
• Alt = Alternate
• SE = Special Exempt
• PR = Protected Ranking
• ITF = ITF entry
• JE = Junior Exempt
• w/o = Walkover
• r = Retired
• d = Defaulted

	First Round							Quarterfinals							Semifinals							Final
	1	M Knowles D Nestor	3	6	7^1
	WC	P Goldstein R Kendrick	6	1	6^1			1	M Knowles D Nestor	6	6
		M Merklein J Morrison	6	6					M Merklein J Morrison	3	1
	WC	J Blake T Blake	4	4											1	M Knowles D Nestor	3	6	6
	3	S Prieto A Sá	1	2												M Fish A Roddick	6	3	2
		M Fish A Roddick	6	6					M Fish A Roddick	7	6
		J Thomas B Vahaly	6	6					J Thomas B Vahaly	5	3
		T Dent C Mamiit	4	2																		1	M Knowles D Nestor	6	6
		B MacPhie T Martin	5	4																		2	J-M Gambill G Oliver	4	3
		S Aspelin N Kiefer	7	6					S Aspelin N Kiefer
		T Shimada M Wakefield	4	5				4	D Bowen A Fisher	w/o
	4	D Bowen A Fisher	6	7											4	D Bowen A Fisher	6^6	5
		J Gimelstob S Humphries	3	6	6										2	J-M Gambill G Oliver	7^8	7
		K Carlsen J Melzer	6	3	3				J Gimelstob S Humphries	5	6	6^6
		L Horna S Roitman	4	0^r				2	J-M Gambill G Oliver	7	4	7^8
	2	J-M Gambill G Oliver	6	1

External links

• 2003 U.S. Men's Clay Court Championships Doubles Draw