 USA: US Open - Doubles - Main |
|---|
| 1/32-finals | De Lone E./Raymond L. | Phelps T./Stafford-Beckish S. | 2:1 (3:6, 6:3, 6:3) | details | 27.08.1990 |
 France: French Open - Doubles - Main |
|---|
| 1/16-finals | Phelps T./Stafford-Beckish S. | Gregory L./Rush G. | 1:2 (1:6, 7:67, 2:6) | details | 31.05.1990 |
| 1/32-finals | Barg-Mager P./Herr B. | Phelps T./Stafford-Beckish S. | 1:2 (1:6, 6:4, 3:6) | details | 28.05.1990 |
 Switzerland: Geneva - Doubles - Main |
|---|
| Semi-finals | Burgin E./Nagelsen B. | Phelps T./Stafford-Beckish S. | 2:0 (6:1, 6:3) | details | 26.05.1990 |
| Quarter-finals | Caverzasio C./Garrone L. | Phelps T./Stafford-Beckish S. | 1:2 (6:3, 2:6, 4:6) | details | 23.05.1990 |
| 1/8-finals | Paulus B./Zrubakova R. | Phelps T./Stafford-Beckish S. | 0:2 (3:6, 5:7) | details | 21.05.1990 |
| USA: Boca Raton - Doubles - Main |
|---|
| 1/8-finals | Phelps T./Stafford-Beckish S. | Cordwell B./Durie J. | 0:2 (3:6, 2:6) | details | 07.03.1990 |
| 1/16-finals | Phelps T./Stafford-Beckish S. | Corsato-Owsianka L./Spadea-Nachmann L. | 2:0 (6:1, 6:4) | details | 05.03.1990 |
| USA: Indian Wells - Doubles - Main |
|---|
| 1/8-finals | Phelps T./Stafford-Beckish S. | Demongeot I./Pfaff E. | 0:2 (3:6, 6:7) | details | 28.02.1990 |
| 1/16-finals | Phelps T./Stafford-Beckish S. | Herreman N./Wiesner J. | 2:0 (6:4, 6:3) | details | 26.02.1990 |
