2005 Tennis Masters Cup
Date	13–20 November
Edition	36th (singles) / 31st (doubles)
Category	Masters
Draw	8S / 8D
Prize money	$3,700,000
Surface	Carpet (i)
Location	Shanghai, China
Venue	Qizhong Forest Sports City Arena
Champions
Singles
David Nalbandian[1]
Doubles
Michaël Llodra / Fabrice Santoro[2]
← 2004 · ATP Finals · 2006 →

The 2005 Tennis Masters Cup was a men's tennis tournament played on indoor carpet courts. It was the 36th edition of the year-end singles championships, the 31st edition of the year-end doubles championships, and was part of the 2005 ATP Tour. It took place at the Qizhong Forest Sports City Arena in Shanghai, China, from November 13 through November 20, 2005. David Nalbandian won the singles title.

Finals

Singles

David Nalbandian defeated Roger Federer 6–7^(4–7), 6–7^(11–13), 6–2, 6–1, 7–6^(7–3)

• It was Nalbandian's 2nd title of the year, and his 4th overall. It was his 1st career year-end championships title.

Doubles

Michaël Llodra / Fabrice Santoro defeated Leander Paes / Nenad Zimonjić 6–7^(6–8), 6–3, 7–6^(7–4)

Points and prize money

• RR is points or prize money won in the round robin stage.
• ¹ Prize money for doubles is per team.
• ² Participation fee for 1 RR match is $45,000 and for 2 RR matches is $70,000.
• An undefeated singles champion would earn the maximum 750 points and $1,520,000 in prize money ($120,000 participation, $360,000 undefeated round robin, $370,000 semifinal win, $700,000 final win)
• An undefeated doubles champion would earn the maximum 750 points and $220,000 in prize money ($50,000 participation, $45,000 undefeated round robin, $25,000 semifinal win, $100,000 final win). While each of them would get 1,500 points, the $220,000 would be split, so $110,000 for each member of the team.

Points breakdown

Singles

Seed	Rank	Player	Grand Slam				ATP World Tour Masters 1000									Best Other					Total points	Tourn
			AUS	FRA	WIM	USO	IW	MIA	MC	ROM	HAM	CAN	CIN	MAD	PAR	1	2	3	4	5
1	1	Roger Federer	SF 90	SF 90	W 200	W 200	W 100	W 100	QF 25	A 0	W 100	A 0	W 100	A 0	A 0	W 60	W 50	W 50	W 45	W 35	1,245	18
2	2	Rafael Nadal	R16 30	W 200	R64 7	R32 15	A 0	F 70	W 100	W 100	A 0	W 100	R64 1	W 100	A 0	W 60	W 50	W 50	W 35	W 35	953	24
—	3	Andy Roddick	SF 90	R64 7	F 140	R128 1	SF 45	R64 1	A 0	R16 15	R64 1	R64 1	F 70	R32 1	SF 45	W 45	W 45	W 40	W 35	W 35	617	20
—	4	Lleyton Hewitt	F 140	A 0	SF 90	SF 90	F 70	A 0	A 0	A 0	A 0	R64 1	SF 45	A 0	A 0	W 35	QF 11	QF 8	QF 8		498	17
3	5	Andre Agassi	QF 50	R128 1	A 0	F 140	QF 25	SF 45	A 0	SF 45	R64 1	F 70	A 0	A 0	A 0	W 35	QF 27	QF 8	QF 8		455	17
4	6	Guillermo Coria	R16 30	R16 30	R16 30	QF 50	R16 15	R32 7	F 70	F 70	Q 25	R64 1	R32 7	R16 15	R32 1	W 35	F 24	SF 15	QF 8	QF 5	438	22
5	7	Nikolay Davydenko	QF 50	SF 90	R64 7	R64 7	R64 1	R64 1	R16 15	R64 1	SF 45	R16 15	QF 25	R16 15	QF 25	W 35	SF 27	SF 22	SF 22	QF 15	418	29
6	8	Ivan Ljubičić	R64 7	R128 1	R18 1	R32 15	R16 15	R16 15	R64 1	R16 15	R32 7	R64 1	R64 1	F 70	F 70	W 50	F 42	W 35	F 35	F 35	416	23
7	9	Gastón Gaudio	R32 15	R16 30	A 0	R128 1	R32 7	R16 15	QF 25	R16 15	R16 15	QF 25	R64 1	R32 1	QF 25	W 50	W 40	W 35	W 35	W 35	370	24
—	10	Marat Safin	W 200	R16 30	R32 15	A 0	R32 7	R32 7	R16 15	R32 7	R32 7	A 0	QF 25	A 0	A 0	F 31	R32 1	R32 1			346	16
8	11	David Nalbandian	QF 50	QF 50	R16 30	QF 50	R16 15	R32 7	A 0	R64 1	R64 1	R32 7	R32 7	SF 45	R32 1	W 35	SF 22	QF 12	QF 8	R16 3	344	21
9	12	Mariano Puerta	QF 8	F 140	R128 1	R64 7	R16 5	R16 5	R16 15	A 0	R32 7	QF 25	R64 1	R16 15	R32 7	W 35	F 24	SF 22	SF 15	QF 8	340	23
Alternates
10	13	Fernando González	R32 15	R32 15	QF 50	R32 15	R16 15	R32 7	R16 15	R64 1	R32 7	R64 1	R16 15	QF 25	R32 1	W 50	W 35	W 35	F 24	QF 12	338	23
Source:[3]

Doubles

Rk	Name	1	2	3	4	5	6	7	8	9	10	11	12	13	14	Total	Tour
1	Bob Bryan Mike Bryan	W 200	F 140	F 140	F 140	W 100	F 70	F 70	F 45	SF 45	SF 45	W 40	F 35	W 35	QF 25	1,130	21
2	Jonas Björkman Max Mirnyi	W 200	F 140	W 100	W 100	W 100	SF 90	SF 90	SF 45	SF 45	SF 45	F 35	F 31	SF 22	R16 0	1,043	15
3	Wayne Black Kevin Ullyett	W 200	W 100	SF 90	SF 90	F 70	F 70	SF 45	SF 45	F 28	QF 25	SF 22	QF 8	R16 0	R16 0	793	17
4	Mark Knowles Daniel Nestor	W 100	W 100	SF 90	F 70	W 50	SF 45	SF 45	W 35	F 28	QF 25	QF 25	QF 25	QF 25	SF 22	685	19
5	Leander Paes Nenad Zimonjić	W 100	F 70	W 60	QF 50	QF 50	SF 45	F 31	QF 25	QF 25	QF 25	SF 15	QF 8	R16 0	R16 0	504	19
6	Michaël Llodra Fabrice Santoro	W 100	F 70	QF 50	SF 45	SF 45	SF 45	W 45	W 35	R16 15	R32 15	QF 11	QF 10	R64 0	R16 0	486	18
7	Wayne Arthurs Paul Hanley	F 70	QF 50	SF 45	W 45	W 35	R16 30	QF 25	QF 25	QF 25	QF 25	F 24	SF 22	SF 22	SF 22	441	23
121	Stephen Huss Wesley Moodie	W 200	F 35	QF 25	R16 0	R32 0	R64 0	R16 0	R16 0	R16 0						270	9

¹ Huss and Moodie qualified due to winning Wimbledon and a top 20 finish according to the rules