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.
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.
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.
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