1989 Nabisco Masters – Singles

Singles
1989 Nabisco Masters
1988 Champion	Boris Becker
Champion	Stefan Edberg
Runner-up	Boris Becker
Final score	4–6, 7–6, 6–3, 6–1

Boris Becker was the defending champion but lost in the final 4–6, 7–6, 6–3, 6–1 against Stefan Edberg.

Draw

Key

Finals

Semifinals				Final

1	Ivan Lendl	6	5
3	Stefan Edberg	7	7
				3	Stefan Edberg	4	7	6	6

				2	Boris Becker	6	6	3	1
2	Boris Becker	6	6

4	John McEnroe	4	4

Round robin

Rod Laver Group

		Lendl	McEnroe	Krickstein	Chang	RR W–L	Set W–L	Game W–L	Standings
1	Ivan Lendl		6–3, 6–3	6–1, 6–3	6–1, 6–3	3–0	6–0	36–14	1
4	John McEnroe	3–6, 3–6		5–7, 6–3, 6–2	6–2, 5–7, 6–4	2–1	4–4	40–37	2
8	Aaron Krickstein	1–6, 3–6	7–5, 3–6, 2–6		6–3, 7–6	1–2	3–4	29–38	3
5	Michael Chang	1–6, 3–6	2–6, 7–5, 4–6	3–6, 6–7		0–3	1–6	26–42	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.

Ilie Năstase Group

		Becker	Edberg	Gilbert	Agassi	RR W–L	Set W–L	Game W–L	Standings
2	Boris Becker		6–1, 6–4	2–6, 6–3, 6–4	6–1, 6–3	3–0	6–1	38–22	1
3	Stefan Edberg	1–6, 4–6		6–1, 6–3	6–4, 6–2	2–1	4–2	29–22	2
6	Brad Gilbert	6–2, 3–6, 4–6	1–6, 3–6		3–6, 6–3, 6–3	1–2	3–5	32–38	3
7	Andre Agassi	1–6, 3–6	4–6, 2–6	6–3, 3–6, 3–6		0–3	1–6	22–39	4