Netherlands: Rotterdam - Doubles - Main |
| 1/8-finals | Grosjean S./Kiefer N. | Siemerink J./Van Scheppingen D. | 2:1 (7:6, 4:6, 7:6) | dettagli | 18.02.2002 |
Uzbekistan: Tashkent - Doubles - Main |
| Semi-finals | Boutter J./Hrbaty D. | Schalken S./Siemerink J. | 2:1 (4:6, 6:3, 6:4) | dettagli | 15.09.2001 |
| Quarter-finals | Schalken S./Siemerink J. | Schuttler R./Youzhny M. | 2:1 (4:6, 7:5, 7:6) | dettagli | 12.09.2001 |
| 1/8-finals | Schalken S./Siemerink J. | Behr N./Levy H. | 2:1 (6:7, 6:0, 6:3) | dettagli | 10.09.2001 |
USA: US Open - Doubles - Main |
| 1/32-finals | Oncins J./Orsanic D. | Siemerink J./Waite J. | 2:1 (4:6, 7:6, 6:4) | dettagli | 29.08.2001 |
Netherlands: Amsterdam - Doubles - Main |
| Quarter-finals | Koenig R./Merklein M. | Siemerink J./Van Lottum J. | 2:0 (6:3, 7:6) | dettagli | 18.07.2001 |
| 1/8-finals | Siemerink J./Van Lottum J. | Hood M./Prieto S. | 2:0 (7:6, 7:6) | dettagli | 16.07.2001 |
USA: Newport - Doubles - Main |
| Quarter-finals | Sa A./Weiner G. | Erlich J./Siemerink J. | 2:1 (1:6, 7:6, 6:4) | dettagli | 11.07.2001 |
| 1/8-finals | Erlich J./Siemerink J. | Gimelstob J./Humphries S. | 2:0 (7:6, 6:4) | dettagli | 10.07.2001 |
United Kingdom: Wimbledon - Doubles - Main |
| 1/16-finals | Pala P./Vizner P. | Carbonell T./Siemerink J. | 3:1 (6:4, 7:5, 6:7, 7:6) | dettagli | 27.06.2001 |
| 1/32-finals | Carbonell T./Siemerink J. | Luxa P./Stepanek R. | 3:1 (6:3, 5:7, 7:6, 7:6) | dettagli | 25.06.2001 |
Netherlands: Hertogenbosch - Doubles - Main |
| 1/8-finals | Haggard C./VanHoudt T. | Hrbaty D./Siemerink J. | 2:1 (4:6, 6:3, 7:5) | dettagli | 18.06.2001 |
France: French Open - Doubles - Main |
| 1/32-finals | Kitinov A./Sprengelmeyer M. | Siemerink J./Stafford G. | 2:0 (7:6, 6:3) | dettagli | 30.05.2001 |
Austria: St. Poelten - Doubles - Main |
| Semi-finals | Oncins J./Orsanic D. | Carbonell T./Siemerink J. | 0:0 RET. (4:2) | dettagli | 26.05.2001 |
| Quarter-finals | Carbonell T./Siemerink J. | Bryan B./Bryan M. | 2:1 (69:7, 6:1, 6:4) | dettagli | 24.05.2001 |
| 1/8-finals | Carbonell T./Siemerink J. | Rochus C./Rochus O. | 2:0 (6:1, 6:2) | dettagli | 22.05.2001 |
USA: Houston - Doubles - Main |
| Quarter-finals | Bastl G./Labadze I. | Siemerink J./Waite J. | 2:0 (6:4, 6:4) | dettagli | 03.05.2001 |
| 1/8-finals | Siemerink J./Waite J. | Leach R./Sprengelmeyer M. | 2:0 (6:1, 6:1) | dettagli | 30.04.2001 |
USA: Verizon Tennis Challenge - Doubles - Main |
| Quarter-finals | Ferreira E./Stafford G. | Haggard C./Siemerink J. | 2:0 (7:5, 6:3) | dettagli | 25.04.2001 |
| 1/8-finals | Haggard C./Siemerink J. | Braasch K./Knippschild J. | 2:1 (4:6, 7:6, 6:4) | dettagli | 23.04.2001 |