1991 ATP Tour World Championships – Singles

		Courier	Lendl	Forget	Nováček	RR W–L	Set W–L	Game W–L	Standings
1	Jim Courier		2–6, 3–6	7–6(7–4), 6–4	6–7(6–8), 7–6(7–5), 6–4	2–1	4–3	37–39	2
4	Ivan Lendl	6–2, 6–3		6–2, 6–4	6–2, 6–2	3–0	6–0	36–15	1
5	Guy Forget	6–7(4–7), 4–6	2–6, 4–6		6–3, 7–6(7–3)	1–2	2–4	29–34	3
8	Karel Nováček	7–6(8–6), 6–7(5–7), 4–6	2–6, 2–6	3–6, 6–7(3–7)		0–3	1–6	30–44	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.

		Becker	Stich	Sampras	Agassi	RR W–L	Set W–L	Game W–L	Standings
2	Boris Becker		7–6(7–1), 6–3	6–4, 6–7(3–7), 6–1	3–6, 5–7	2–1	4–3	39–34	3
3	Michael Stich	6–7(1–7), 3–6		2–6, 6–7(3–7)	5–7, 3–6	0–3	0–6	25–39	4
6	Pete Sampras	4–6, 7–6(7–3), 1–6	6–2, 7–6(7–3)		6–3, 1–6, 6–3	2–1	5–3	38–38	2
7	Andre Agassi	6–3, 7–5	7–5, 6–3	3–6, 6–1, 3–6		2–1	5–2	38–29	1

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.