USA: US Open - Doubles - Main |
| 1/8-finals | Hingis M./Novotna J. | Halard-Decugis J./McQuillan R. | 2:0 (6:1, 6:0) | details | 06.09.1998 |
| 1/16-finals | Labat F./Monami D. | Halard-Decugis J./McQuillan R. | 2:1 (7:5, 4:6, 7:5) | details | 04.09.1998 |
| 1/32-finals | Krivencheva S./Melicharova E. | Halard-Decugis J./McQuillan R. | 0:2 (1:6, 1:6) | details | 02.09.1998 |
USA: New Haven - Doubles - Main |
| Quarter-finals | Fusai A./Tauziat N. | Halard-Decugis J./McQuillan R. | 2:0 (6:3, 6:2) | details | 26.08.1998 |
| 1/8-finals | Halard-Decugis J./McQuillan R. | Schett B./Schnyder P. | 2:0 (6:3, 7:6) | details | 24.08.1998 |
Canada: Montreal - Doubles - Main |
| 1/16-finals | Halard-Decugis J./McQuillan R. | Gorrochategui I./Graf S. | 0:2 (2:6, 5:7) | details | 17.08.1998 |
USA: Miami - Doubles - Main |
| Semi-finals | Halard-Decugis J./McQuillan R. | Sanchez-Vicario A./Zvereva N. | 0:2 (4:6, 2:6) | details | 28.03.1998 |
| Quarter-finals | Barclay C./Guse K. | Halard-Decugis J./McQuillan R. | 1:2 (6:3, 2:6, 2:6) | details | 23.03.1998 |
| 1/8-finals | Rubin C./Spirlea I. | Halard-Decugis J./McQuillan R. | 1:2 (2:6, 6:1, 0:6) | details | 20.03.1998 |
| 1/16-finals | Halard-Decugis J./McQuillan R. | Basuki Y./Vis C. | 2:0 (7:5, 6:2) | details | 18.03.1998 |
| 1/32-finals | Halard-Decugis J./McQuillan R. | McNeil L./Washington M. | 2:0 (6:4, 7:6) | details | 16.03.1998 |
USA: Indian Wells - Doubles - Main |
| 1/8-finals | Davenport L./Zvereva N. | Halard-Decugis J./McQuillan R. | 2:1 (6:3, 4:6, 6:0) | details | 11.03.1998 |
| 1/16-finals | Dechaume-Balleret A./Testud S. | Halard-Decugis J./McQuillan R. | 0:2 (2:6, 4:6) | details | 09.03.1998 |