USA: Miami - Doubles - Main |
| 1/32-finals | Capriati J./Sabatini G. | May A./Smith N. | 2:0 (6:1, 6:2) | details | 15.03.1991 |
Japan: Tokyo - Doubles - Main |
| 1/8-finals | May A./Smith N. | Fernandez M. J./White R. | 1:2 (4:6, 6:4, 3:6) | details | 29.01.1991 |
Australia: Australian Open - Doubles - Main |
| 1/32-finals | May A./Smith N. | Sanchez-Vicario A./Sukova H. | 0:2 (1:6, 1:6) | details | 14.01.1991 |
USA: Schenectady - Doubles - Main |
| Final | Ferrando L./Probst W. | May A./Smith N. | 1:2 (4:6, 7:5, 3:6) | details | 26.08.1990 |
| Semi-finals | Fulco-Villella B./Labat F. | May A./Smith N. | 0:2 (0:6, 3:6) | details | 24.08.1990 |
| Quarter-finals | May A./Smith N. | Dechaume-Balleret A./Herreman N. | 2:0 (7:5, 6:4) | details | 22.08.1990 |
| 1/8-finals | May A./Smith N. | Caverzasio C./Hack S. | 2:1 (0:6, 6:1, 6:0) | details | 20.08.1990 |
USA: Boca Raton - Doubles - Main |
| 1/8-finals | May A./Smith N. | Burgin E./Turnbull W. | 0:2 (4:6, 4:6) | details | 07.03.1990 |
| 1/16-finals | Halard-Decugis J./Wasserman S. | May A./Smith N. | 0:2 (6:7, 2:6) | details | 05.03.1990 |