 Netherlands: Rotterdam - Doubles - Main |
|---|
| 1/8-finals | Pala P./Vizner P. | Groen S./Siemerink J. | 2:0 (6:3, 6:4) | dettagli | 19.02.2001 |
 Denmark: Copenhagen - Doubles - Main |
|---|
| Semi-finals | Novak J./Rikl D. | Groen S./Siemerink J. | 2:0 (6:2, 6:3) | dettagli | 17.02.2001 |
| Quarter-finals | Groen S./Siemerink J. | Goldstein P./Thomas J. | 2:1 (6:4, 3:6, 7:6) | dettagli | 14.02.2001 |
| 1/8-finals | Groen S./Siemerink J. | Heuberger I./Kitinov A. | 2:1 (5:7, 6:4, 6:4) | dettagli | 12.02.2001 |
 Australia: Australian Open - Doubles - Main |
|---|
| 1/32-finals | Draper S./Stoltenberg J. | Groen S./Siemerink J. | 2:0 (6:4, 6:3) | dettagli | 16.01.2001 |
 Uzbekistan: Tashkent - Doubles - Main |
|---|
| Semi-finals | Groen S./Siemerink J. | Barnard M./Koenig R. | 0:2 (63:7, 3:6) | dettagli | 15.09.2000 |
| Quarter-finals | Groen S./Siemerink J. | Vemic D./Zimonjic N. | 2:0 (7:65, 6:3) | dettagli | 13.09.2000 |
| 1/8-finals | Golovanov D./Makhkamov A. | Groen S./Siemerink J. | 0:2 (2:6, 4:6) | dettagli | 11.09.2000 |
 San Marino: San Marino - Doubles - Main |
|---|
| Quarter-finals | Cibulec T./Friedl L. | Groen S./Siemerink J. | 2:0 (6:4, 6:2) | dettagli | 26.07.2000 |
| 1/8-finals | Groen S./Siemerink J. | Charpentier M./Tarallo S. | 2:0 (6:3, 6:4) | dettagli | 24.07.2000 |
 France: French Open - Doubles - Main |
|---|
| 1/8-finals | Carbonell T./Roig F. | Groen S./Siemerink J. | 2:1 (3:6, 6:3, 6:2) | dettagli | 02.06.1997 |
| 1/16-finals | Bhupathi M./Paes L. | Groen S./Siemerink J. | 1:2 (7:65, 65:7, 3:6) | dettagli | 29.05.1997 |
| 1/32-finals | Groen S./Siemerink J. | Johnson D./Montana F. | 2:1 (2:6, 7:66, 6:4) | dettagli | 26.05.1997 |
 Austria: Vienna - Doubles - Main |
|---|
| 1/8-finals | Black B./Stark J. | Groen S./Siemerink J. | 2:0 (6:3, 6:3) | dettagli | 18.10.1993 |
 USA: US Open - Doubles - Main |
|---|
| 1/32-finals | Davis S./Van Rensburg C. | Groen S./Siemerink J. | 2:1 (7:5, 2:6, 6:1) | dettagli | 30.08.1993 |
| USA: Long Island - Doubles - Main |
|---|
| Quarter-finals | Groen S./Siemerink J. | Cannon S./Melville S. | 0:2 (4:6, 4:6) | dettagli | 26.08.1993 |
| 1/8-finals | Groen S./Siemerink J. | Garnett B./Middleton T. J. | 2:0 (7:6, 6:2) | dettagli | 23.08.1993 |
| Austria: Vienna - Doubles - Main |
|---|
| 1/8-finals | Borwick N./Olhovskiy A. | Groen S./Siemerink J. | 2:1 (7:6, 3:6, 6:4) | dettagli | 15.10.1990 |
