United Kingdom: Wimbledon - Doubles - Main |
| 1/32-finals | Byrne J./Thompson J. | Kilsch-Kohde C./Schultz-McCarthy B. | 1:2 (6:3, 1:6, 2:6) | details | 30.06.1990 |
United Kingdom: Birmingham - Doubles - Main |
| 1/8-finals | Byrne J./Thompson J. | Fendick P./Garrison J. Z. | 0:2 (1:6, 2:6) | details | 13.06.1990 |
| 1/16-finals | Allen L./Amiach S. | Byrne J./Thompson J. | 1:2 (3:6, 6:1, 3:6) | details | 11.06.1990 |
France: French Open - Doubles - Main |
| 1/16-finals | Adams K./McNeil L. | Byrne J./Thompson J. | 2:1 (1:6, 6:4, 8:6) | details | 31.05.1990 |
| 1/32-finals | Byrne J./Thompson J. | Ferrando L./Goles S. | 2:1 (3:6, 6:2, 6:3) | details | 28.05.1990 |
Germany: Berlin - Doubles - Main |
| 1/16-finals | Byrne J./Thompson J. | Smith S./ter Riet H. | 0:2 (6:7, 2:6) | details | 14.05.1990 |
Italy: Rome - Doubles - Main |
| 1/16-finals | Kilsch-Kohde C./Schultz-McCarthy B. | Byrne J./Thompson J. | 2:0 (6:3, 6:4) | details | 07.05.1990 |