USA: US Open - Mixed Doubles - Main |
| 1/8-finals | Stubbs R./Johnson D. | Srebotnik K./Bryan B. | 1:2 (6:4, 3:6, 6:10) | details | 31.08.2003 |
| 1/16-finals | Wartusch P./Cermak F. | Stubbs R./Johnson D. | 0:2 (3:6, 3:6) | details | 28.08.2003 |
United Kingdom: Wimbledon - Mixed Doubles - Main |
| 1/32-finals | Johnson D./Stubbs R. | Hanley P./Molik A. | 0:2 (66:7, 5:7) | details | 23.06.2003 |
France: French Open - Mixed Doubles - Main |
| 1/16-finals | Knowles M./Schett B. | Johnson D./Stubbs R. | 2:1 (7:5, 2:6, 6:3) | details | 02.06.2003 |
Australia: Australian Open - Mixed Doubles - Main |
| Semi-finals | Johnson D./Stubbs R. | Woodbridge T./Daniilidou E. | 0:2 (4:6, 2:6) | details | 24.01.2003 |
| Quarter-finals | Palmer J./Lee J. | Johnson D./Stubbs R. | 0:2 (4:6, 4:6) | details | 23.01.2003 |
| 1/8-finals | Damm M./Grande R. | Johnson D./Stubbs R. | 0:2 (2:6, 3:6) | details | 22.01.2003 |
| 1/16-finals | Luczak P./Wheeler C. | Johnson D./Stubbs R. | 0:2 (2:6, 64:7) | details | 21.01.2003 |