Doubles
2003 Tennis Masters Cup
Final
Champions	Bob Bryan Mike Bryan
Runners-up	Michaël Llodra Fabrice Santoro
Score	6–7(6–8), 6–3, 3–6, 7–6(7–3), 6–4
Events
Singles Doubles
← 2001 · Tennis Masters Cup · 2004 →

Bob Bryan and Mike Bryan defeated Michaël Llodra and Fabrice Santoro in the final, 6–7^(6–8), 6–3, 3–6, 7–6^(7–3), 6–4 to win the doubles tennis title at the 2003 Tennis Masters Cup. It was their first Tour Finals title.

Ellis Ferreira and Rick Leach were the reigning champions, but did not compete that year.

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

	Semifinals							Final
	1	Bob Bryan Mike Bryan	6	6
	8	Gastón Etlis Martin Rodríguez	2	4
								1	Bob Bryan Mike Bryan	66	6	3	77	6
								6	Michaël Llodra Fabrice Santoro	78	3	6	63	4
	4	Mark Knowles Daniel Nestor	1	3
	6	Michaël Llodra Fabrice Santoro	6	6

		Bryan Bryan	Björkman Woodbridge	Llodra Santoro	Damm Suk	RR W–L	Set W–L	Game W–L	Standings
1	Bob Bryan Mike Bryan		4–6, 6–3, 7–6(11–9)	6–4, 5–7, 6–4	7–5, 6–7(0–7), 7–6(7–4)	3–0	6–3	54–48	1
3	Jonas Björkman Todd Woodbridge	6–4, 3–6, 6–7(9–11)		6–7(1–7), 6–3, 4–6	6–3, 6–3	1–2	4–4	43–39	3
6	Michaël Llodra Fabrice Santoro	4–6, 7–5, 4–6	7–6(7–1), 3–6, 6–4		6–3, 7–6(7–5)	2–1	5–3	44–42	2
7	Martin Damm Cyril Suk	5–7, 7–6(7–0), 6–7(4–7)	3–6, 3–6	3–6, 6–7(5–7)		0–3	1–6	33–45	4

Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.

		Bhupathi Mirnyi	Knowles Nestor	Arthurs Hanley	Etlis Rodríguez	RR W–L	Set W–L	Game W–L	Standings
2	Mahesh Bhupathi Max Mirnyi		4–6, 7–6(8–6), 6–7(4–7)	6–4, 7–6(7–4)	4–6, 4–6	1–2	3–4	38–41	3
4	Mark Knowles Daniel Nestor	6–4, 6–7(6–8), 7–6(7–4)		6–4, 6–7(5–7), 7–6(8–6)	6–2, 6–1	3–0	6–2	50–37	1
5	Wayne Arthurs Paul Hanley	4–6, 6–7(4–7)	4–6, 7–6(7–5), 6–7(6–8)		4–6, 7–6(7–5), 7–6(11–9)	1–2	3–5	45–50	4
8	Gastón Etlis Martín Rodríguez	6–4, 6–4	2–6, 1–6	6–4, 6–7(5–7), 6–7(9–11)		1–2	3–4	33–38	2

Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.

• 2003 Tennis Masters Cup Doubles Draw