 France: French Open - Doubles - Main |
|---|
| 1/32-finals | Simpson R./ter Riet H. | Fernandez M. J./Garrison J. Z. | 0:2 (4:6, 1:6) | details | 27.05.1991 |
 Croatia: Bol - Doubles - Main |
|---|
| Semi-finals | Cecchini S./Garrone L. | Simpson R./ter Riet H. | 2:0 (6:2, 6:2) | details | 27.04.1991 |
| Quarter-finals | Sprung H./Testud S. | Simpson R./ter Riet H. | 0:2 (5:7, 5:7) | details | 24.04.1991 |
| 1/8-finals | Simpson R./ter Riet H. | Meier S./Reinstadler B. | 2:1 (6:3, 3:6, 6:3) | details | 22.04.1991 |
 USA: Miami - Doubles - Main |
|---|
| 1/32-finals | ter Riet H./Simpson R. | Arraya L./Scheuer-Larsen T. | 0:2 (1:6, 3:6) | details | 15.03.1991 |
| USA: Boca Raton - Doubles - Main |
|---|
| 1/8-finals | Simpson R./ter Riet H. | Fernandez M. J./Garrison J. Z. | 0:2 (1:6, 3:6) | details | 05.03.1991 |
| 1/16-finals | Durie J./Jaggard-Lai M. | Simpson R./ter Riet H. | 1:2 (6:2, 2:6, 6:7) | details | 04.03.1991 |
