 Australia: Australian Open - Singles - Qualification |
|---|
| Semi-finals | Yamamoto Y. | Robertson M. | 2:1 (3:6, 7:5, 7:5) | details | 14.01.1993 |
| Quarter-finals | Robertson M. | Flynn P. | 2:0 (6:1, 6:4) | details | 13.01.1993 |
 United Kingdom: Wimbledon - Singles - Qualification |
|---|
| Final | Marcelino D. | Robertson M. | 3:0 (7:610, 7:61, 6:3) | details | 28.06.1991 |
| Semi-finals | Garat J. | Robertson M. | 1:2 (5:7, 7:62, 3:6) | details | 26.06.1991 |
| Quarter-finals | Robertson M. | Wostenholme M. | 2:0 (6:4, 6:4) | details | 24.06.1991 |
 France: French Open - Singles - Main |
|---|
| 1/64-finals | Prpic G. | Robertson M. | 3:0 (7:6, 6:3, 6:3) | details | 03.06.1991 |
 USA: Chicago - Singles - Main |
|---|
| 1/16-finals | Mronz A. | Robertson M. | 2:0 (6:2, 6:1) | details | 25.02.1991 |
| Australia: Australian Open - Singles - Qualification |
|---|
| Semi-finals | Layendecker G. | Robertson M. | 2:0 (6:3, 7:6) | details | 16.01.1991 |
| Quarter-finals | Pfitzner G. | Robertson M. | 0:2 (3:6, 2:6) | details | 14.01.1991 |
 Israel: Tel Aviv - Singles - Main |
|---|
| 1/8-finals | Chesnokov A. | Robertson M. | 2:0 (7:5, 6:4) | details | 09.10.1990 |
| 1/16-finals | Ran E. | Robertson M. | 0:2 (1:6, 3:6) | details | 08.10.1990 |
| United Kingdom: Wimbledon - Singles - Main |
|---|
| 1/64-finals | Antonitsch A. | Robertson M. | 3:2 (7:6, 6:4, 3:6, 4:6, 6:4) | details | 30.06.1990 |
| United Kingdom: Wimbledon - Singles - Qualification |
|---|
| Final | Ondruska M. | Robertson M. | 0:3 (4:6, 3:6, 3:6) | details | 28.06.1990 |
| Australia: Australian Open - Singles - Qualification |
|---|
| Final | Pridham C. | Robertson M. | 2:0 (7:6, 6:1) | details | 12.01.1990 |
