United Kingdom: Wimbledon - Doubles - Main |
| 1/16-finals | Navratilova M./Shriver P. | Louie Harper P./Kidowaki M. | 2:0 (6:4, 6:0) | details | 02.07.1991 |
| 1/32-finals | Gomer S./Lake V. | Louie Harper P./Kidowaki M. | 1:2 (6:4, 6:7, 4:6) | details | 01.07.1991 |
United Kingdom: Eastbourne - Doubles - Main |
| 1/16-finals | Louie Harper P./Kidowaki M. | Bradtke-Provis N./Smylie E. | 0:2 (2:6, 1:6) | details | 17.06.1991 |
Japan: Tokyo 4 - Doubles - Main |
| Semi-finals | Kidowaki M./Louie Harper P. | Fernandez M. J./White R. | 0:2 (2:6, 1:6) | details | 29.09.1990 |
| Quarter-finals | Kidowaki M./Louie Harper P. | MacGregor C./Richardson J. | 2:1 (6:4, 4:6, 6:3) | details | 27.09.1990 |
| 1/8-finals | Jaggard-Lai M./Werdel W. M. | Kidowaki M./Louie Harper P. | 0:2 (3:6, 3:6) | details | 25.09.1990 |