 USA: Oakland - Doubles - Main |
|---|
| Quarter-finals | MacGregor C./MacGregor C. | Fairbank-Nideffer R./White R. | 0:2 (4:6, 2:6) | details | 31.10.1990 |
| 1/8-finals | MacGregor C./MacGregor C. | Lozano J./May K. | 2:1 (6:3, 3:6, 7:6) | details | 29.10.1990 |
 United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/32-finals | MacGregor C./MacGregor C. | Dechaume-Balleret A./Herreman N. | 0:2 (3:6, 3:6) | details | 30.06.1990 |
| United Kingdom: Eastbourne - Doubles - Main |
|---|
| 1/16-finals | MacGregor C./MacGregor C. | Smith A./Turnbull W. | 0:2 (6:7, 2:6) | details | 18.06.1990 |
 France: French Open - Doubles - Main |
|---|
| 1/32-finals | Nagelsen B./Seles M. | MacGregor C./MacGregor C. | 2:0 (6:3, 6:1) | details | 28.05.1990 |
| France: Strasbourg - Doubles - Main |
|---|
| Quarter-finals | Jordan K./Smylie E. | MacGregor C./MacGregor C. | 2:0 (6:3, 6:1) | details | 23.05.1990 |
| 1/8-finals | MacGregor C./MacGregor C. | Dechaume-Balleret A./Quentrec E. K. | 2:0 (6:4, 6:4) | details | 21.05.1990 |
| USA: Tampa - Doubles - Main |
|---|
| Quarter-finals | MacGregor C./MacGregor C. | Cecchini S./Arraya L. | 1:2 (3:6, 6:3, 4:6) | details | 18.04.1990 |
| 1/8-finals | MacGregor C./MacGregor C. | Martinek V./O'Neill L. | 2:0 (6:4, 6:4) | details | 16.04.1990 |
| USA: Amelia Island - Doubles - Main |
|---|
| 1/8-finals | Collins S./Smoller J. | MacGregor C./MacGregor C. | 2:0 (7:6, 6:3) | details | 11.04.1990 |
| 1/16-finals | Budarova I./Schwartz A. | MacGregor C./MacGregor C. | 0:2 (6:7, 1:6) | details | 09.04.1990 |
| USA: Hilton Head - Doubles - Main |
|---|
| 1/16-finals | MacGregor C./MacGregor C. | Collins S./Smoller J. | 1:2 (3:6, 6:4, 2:6) | details | 02.04.1990 |
 Australia: Australian Open - Doubles - Main |
|---|
| Quarter-finals | Novotna J./Sukova H. | MacGregor C./MacGregor C. | 2:0 (7:5, 6:2) | details | 25.01.1990 |
| 1/8-finals | MacGregor C./MacGregor C. | Adams K./McNeil L. | 2:1 (0:6, 6:4, 6:3) | details | 22.01.1990 |
| 1/16-finals | MacGregor C./MacGregor C. | Dechaume-Balleret A./Krapl E. | 2:0 (6:4, 6:4) | details | 19.01.1990 |
| 1/32-finals | Bollegraf M./Durie J. | MacGregor C./MacGregor C. | 1:2 (4:6, 6:3, 3:6) | details | 15.01.1990 |
| Australia: Sydney - Doubles - Main |
|---|
| Quarter-finals | Novotna J./Sukova H. | MacGregor C./MacGregor C. | 2:0 (7:5, 6:4) | details | 12.01.1990 |
| 1/8-finals | MacGregor C./MacGregor C. | Hetherington J./Bradtke-Provis N. | 2:1 (3:6, 6:4, 6:4) | details | 10.01.1990 |
| 1/16-finals | Porwik C./Reggi R. | MacGregor C./MacGregor C. | 1:2 (3:6, 7:6, 3:6) | details | 08.01.1990 |
| Australia: Brisbane 2 - Doubles - Main |
|---|
| 1/16-finals | MacGregor C./MacGregor C. | Burgin E./Fairbank-Nideffer R. | 0:2 (4:6, 1:6) | details | 01.01.1990 |
