France: French Open - Doubles - Main |
| 1/8-finals | Kilsch-Kohde C./Schultz-McCarthy B. | Castro G./Martinez C. | 2:0 (7:5, 6:3) | dettagli | 04.06.1990 |
| 1/16-finals | Castro G./Martinez C. | Jordan K./Smylie E. | 2:1 (7:5, 1:6, 6:1) | dettagli | 31.05.1990 |
| 1/32-finals | Kunce K./Spadea-Nachmann L. | Castro G./Martinez C. | 1:2 (3:6, 6:3, 1:6) | dettagli | 28.05.1990 |
Germany: Berlin - Doubles - Main |
| 1/16-finals | Castro G./Martinez C. | Demongeot I./Tanvier C. | 1:2 (2:6, 7:5, 6:7) | dettagli | 14.05.1990 |
Italy: Rome - Doubles - Main |
| 1/16-finals | Castro G./Martinez C. | Wasserman S./Zrubakova R. | 1:2 (3:6, 6:1, 3:6) | dettagli | 07.05.1990 |
USA: Tampa - Doubles - Main |
| Quarter-finals | Barg-Mager P./Louie Harper P. | Castro G./Martinez C. | 2:0 (6:3, 6:3) | dettagli | 18.04.1990 |
| 1/8-finals | Castro G./Martinez C. | Byrne J./Collins S. | 2:1 (5:7, 7:6, 6:2) | dettagli | 16.04.1990 |
USA: Hilton Head - Doubles - Main |
| 1/16-finals | Barg-Mager P./Phelps T. | Castro G./Martinez C. | 2:0 (6:3, 6:3) | dettagli | 02.04.1990 |
USA: Miami - Doubles - Main |
| 1/16-finals | Gregory L./Rush G. | Castro G./Martinez C. | 2:0 (6:4, 6:4) | dettagli | 18.03.1990 |
| 1/32-finals | Castro G./Martinez C. | Mandlikova H./Rinaldi S. K. | 2:1 (6:2, 1:6, 7:5) | dettagli | 16.03.1990 |
USA: Indian Wells - Doubles - Main |
| 1/16-finals | Inoue E./Maleeva K. | Castro G./Martinez C. | 2:0 (6:2, 6:3) | dettagli | 26.02.1990 |