France: French Open - Doubles - Main |
| 1/16-finals | Van Lottum J./Verkerk M. | Bjorkman J./Woodbridge T. | 1:2 (6:4, 6:7, 4:6) | dettagli | 28.05.2004 |
| 1/32-finals | Van Lottum J./Verkerk M. | Arazi H./Levy H. | 2:1 (4:6, 6:3, 6:4) | dettagli | 26.05.2004 |
Germany: Dusseldorf - Doubles - Main |
| | Arthurs W./Hanley P. | Van Lottum J./Verkerk M. | 2:0 (6:4, 7:6) | dettagli | 19.05.2004 |
| | Van Lottum J./Verkerk M. | Arnold-Ker L./Zabaleta M. | 1:2 (6:3, 3:6, 3:6) | dettagli | 17.05.2004 |
World: Davis Cup - Doubles - Main |
| | Nadal R./Robredo T. | Van Lottum J./Verkerk M. | 2:3 (6:3, 6:2, 3:6, 2:6, 2:6) | dettagli | 09.04.2004 |
USA: Scottsdale - Doubles - Main |
| Quarter-finals | Van Lottum J./Verkerk M. | Coetzee J./Haggard C. | 0:2 (4:6, 4:6) | dettagli | 05.03.2004 |
| 1/8-finals | Van Lottum J./Verkerk M. | Humphries S./Spadea V. | 2:0 (6:4, 6:4) | dettagli | 02.03.2004 |