Grand Slam Cup 1991 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| David Wheaton | d. | Michael Chang | 7-5 6-2 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| David Wheaton | d. | Michael Stich | 7-6 7-6 7-6 |
| Michael Chang | d. | Ivan Lendl | 2-6 4-6 6-4 7-6 9-7 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| David Wheaton | d. | Todd Woodbridge | 6-4 7-6 |
| Michael Stich | d. | Guy Forget | 7-6 6-4 |
| Ivan Lendl | d. | Jakob Hlasek | 7-6 6-3 |
| Michael Chang | d. | Patrick McEnroe | 6-2 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Todd Woodbridge | d. | Aaron Krickstein | 6-3 6-3 |
| David Wheaton | d. | Paul Haarhuis | 1-6 6-3 6-2 |
| Michael Stich | d. | Goran Prpic | 6-4 6-3 |
| Guy Forget | d. | Jaime Yzaga | 6-3 6-3 |
| Jakob Hlasek | d. | Jimmy Connors | 0-6 6-4 6-4 |
| Ivan Lendl | d. | Cristiano Caratti | 6-4 6-1 |
| Patrick McEnroe | d. | Thierry Champion | 4-6 6-1 6-4 |
| Michael Chang | d. | Jim Courier | 6-4 6-2 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0