USA: US Open - Doubles - Main |
| 1/32-finals | Shimada T./Wakefield M. | Knowle J./Manta L. | 2:0 (6:2, 6:0) | dettagli | 29.08.2001 |
Austria: Kitzbuhel - Doubles - Main |
| 1/16-finals | Corretja A./Lobo L. | Knowle J./Manta L. | 2:1 (6:3, 4:6, 6:2) | dettagli | 24.07.2001 |
Germany: Stuttgart - Doubles - Main |
| 1/8-finals | Pala P./Vizner P. | Knowle J./Manta L. | 2:0 (6:3, 6:4) | dettagli | 18.07.2001 |
| 1/16-finals | Knowle J./Manta L. | Hilpert M./Roberts D. | 2:0 (6:4, 6:2) | dettagli | 16.07.2001 |
United Kingdom: Wimbledon - Doubles - Main |
| 1/32-finals | Balcells J./Schalken S. | Knowle J./Manta L. | 3:0 (6:2, 6:4, 6:3) | dettagli | 25.06.2001 |
France: French Open - Doubles - Main |
| 1/8-finals | Pala P./Vizner P. | Knowle J./Manta L. | 2:0 (6:3, 7:5) | dettagli | 04.06.2001 |
| 1/16-finals | Knowle J./Manta L. | Lapentti N./Schalken S. | 2:0 (7:6, 7:6) | dettagli | 01.06.2001 |
| 1/32-finals | Knowle J./Manta L. | Goldstein P./Thomas J. | 2:0 (6:2, 7:5) | dettagli | 30.05.2001 |
USA: Verizon Tennis Challenge - Doubles - Main |
| Quarter-finals | Leach R./MacPherson D. | Knowle J./Manta L. | 2:0 (6:3, 6:3) | dettagli | 25.04.2001 |
| 1/8-finals | Knowle J./Manta L. | Flach D./Janasik A. | 2:0 (6:3, 6:3) | dettagli | 23.04.2001 |