Singapore: Singapore - Doubles - Main |
| 1/8-finals | Galbraith P./Steven B. | Gimelstob J./Stark J. | 1:2 (6:2, 3:6, 4:6) | details | 13.10.1998 |
China: Shanghai 2 - Doubles - Main |
| Semi-finals | Galbraith P./Steven B. | Bhupathi M./Paes L. | WO. | details | 09.10.1998 |
| Quarter-finals | Tillstrom M./Tebbutt M. | Galbraith P./Steven B. | 1:2 (4:6, 7:5, 4:6) | details | 07.10.1998 |
| 1/8-finals | Courier J./Gimelstob J. | Galbraith P./Steven B. | 1:2 (3:6, 7:5, 3:6) | details | 05.10.1998 |
USA: US Open - Doubles - Main |
| 1/32-finals | Barnard M./Olhovskiy A. | Galbraith P./Steven B. | 2:0 (6:4, 6:4) | details | 02.09.1998 |
United Kingdom: Wimbledon - Doubles - Main |
| Quarter-finals | Galbraith P./Steven B. | Woodbridge T./Woodforde M. | 2:3 (0:6, 7:5, 4:6, 6:4, 3:6) | details | 30.06.1998 |
| 1/8-finals | Damm M./Grabb J. | Galbraith P./Steven B. | 0:2 (65:7, 2:6) | details | 29.06.1998 |
| 1/16-finals | Marques N./VanHoudt T. | Galbraith P./Steven B. | 0:2 (3:6, 5:7) | details | 26.06.1998 |
| 1/32-finals | Cowan B./Spinks T. | Galbraith P./Steven B. | 1:2 (3:6, 6:3, 3:6) | details | 24.06.1998 |
United Kingdom: Nottingham - Doubles - Main |
| 1/8-finals | Gimelstob J./Talbot B. | Galbraith P./Steven B. | 2:1 (3:6, 6:3, 6:4) | details | 15.06.1998 |
United Kingdom: London - Doubles - Main |
| Semi-finals | Woodforde M./Woodbridge T. | Galbraith P./Steven B. | 2:1 (1:6, 7:6, 7:5) | details | 13.06.1998 |
| Quarter-finals | Galbraith P./Steven B. | Black W./Lareau S. | 2:0 (6:3, 6:2) | details | 12.06.1998 |
| 1/8-finals | Galbraith P./Steven B. | Roditi D./Sargsian S. | 2:0 (6:1, 6:4) | details | 10.06.1998 |
France: French Open - Doubles - Main |
| Quarter-finals | Galbraith P./Steven B. | Knowles M./Nestor D. | 0:2 (3:6, 4:6) | details | 04.06.1998 |
| 1/8-finals | Hood M./Prieto S. | Galbraith P./Steven B. | 0:2 (3:6, 5:7) | details | 02.06.1998 |
| 1/16-finals | Kitinov A./VanHoudt T. | Galbraith P./Steven B. | 0:2 (2:6, 4:6) | details | 31.05.1998 |
| 1/32-finals | Clement A./Golmard J. | Galbraith P./Steven B. | 1:2 (6:3, 0:6, 5:7) | details | 29.05.1998 |
Italy: Rome - Doubles - Main |
| Quarter-finals | Galbraith P./Steven B. | Ivanisevic G./Philippoussis M. | 0:2 (2:6, 3:6) | details | 14.05.1998 |
| 1/8-finals | Lapentti N./Roditi D. | Galbraith P./Steven B. | 1:2 (3:6, 6:3, 2:6) | details | 12.05.1998 |
| 1/16-finals | Kronemann T./MacPherson D. | Galbraith P./Steven B. | 0:2 (2:6, 4:6) | details | 11.05.1998 |
Italy: London - Doubles - Main |
| Semi-finals | Damm M./Grabb J. | Galbraith P./Steven B. | 2:1 (6:7, 7:5, 6:3) | details | 27.02.1998 |
| Quarter-finals | Adams D./Pimek L. | Galbraith P./Steven B. | 0:2 (2:6, 4:6) | details | 25.02.1998 |
| 1/8-finals | Carbonell T./Roig F. | Galbraith P./Steven B. | 0:2 (1:6, 6:7) | details | 23.02.1998 |
Belgium: Antwerp 2 - Doubles - Main |
| Quarter-finals | Eagle J./Florent A. | Galbraith P./Steven B. | 2:0 (6:1, 6:2) | details | 18.02.1998 |
| 1/8-finals | Henman T./Rosset M. | Galbraith P./Steven B. | 0:2 (3:6, 5:7) | details | 16.02.1998 |
United Arab Emirates: Dubai - Doubles - Main |
| Semi-finals | Bhupathi M./Paes L. | Galbraith P./Steven B. | 2:0 (6:4, 6:2) | details | 13.02.1998 |
| Quarter-finals | Galbraith P./Steven B. | Kitinov A./Vizner P. | 2:0 (6:3, 6:4) | details | 11.02.1998 |
| 1/8-finals | Galbraith P./Steven B. | Groen S./Ivanisevic G. | 2:0 (6:1, 6:0) | details | 09.02.1998 |
Australia: Australian Open - Doubles - Main |
| Quarter-finals | MacPherson D./Wheaton D. | Galbraith P./Steven B. | 3:2 (7:65, 63:7, 3:6, 7:66, 13:11) | details | 29.01.1998 |
| 1/8-finals | Galbraith P./Steven B. | Goellner M./Prinosil D. | 2:1 (66:7, 6:2, 6:2) | details | 26.01.1998 |
| 1/16-finals | Galbraith P./Steven B. | Draper S./Stoltenberg J. | 2:0 (6:2, 6:3) | details | 23.01.1998 |
| 1/32-finals | Galbraith P./Steven B. | Noteboom S./Wibier F. | 2:0 (6:2, 6:4) | details | 19.01.1998 |
New Zealand: Auckland - Doubles - Main |
| Final | Nijssen T./Tarango J. | Galbraith P./Steven B. | 0:2 (4:6, 2:6) | details | 18.01.1998 |
| Semi-finals | Siemerink J./Vacek D. | Galbraith P./Steven B. | 1:2 (6:4, 1:6, 3:6) | details | 16.01.1998 |
| Quarter-finals | Black B./Black W. | Galbraith P./Steven B. | 0:2 (6:7, 6:7) | details | 14.01.1998 |
| 1/8-finals | Coupe B./Rosner P. | Galbraith P./Steven B. | 0:2 (2:6, 4:6) | details | 12.01.1998 |
Australia: Adelaide - Doubles - Main |
| Quarter-finals | Black W./Kratzmann A. | Galbraith P./Steven B. | 2:0 (6:4, 6:3) | details | 07.01.1998 |
| 1/8-finals | Dosedel S./Damm M. | Galbraith P./Steven B. | 1:2 (5:7, 7:5, 6:7) | details | 05.01.1998 |