 France: French Open - Mixed Doubles - Main |
|---|
| 1/16-finals | Leach R./Bollegraf M. | Aspelin S./De Villiers E. | 0:2 (4:6, 4:6) | details | 01.06.2000 |
 USA: US Open - Mixed Doubles - Main |
|---|
| 1/16-finals | Bollegraf M./Leach R. | Davenport L./Gambill J. | 0:2 (64:7, 1:6) | details | 03.09.1998 |
 United Kingdom: Wimbledon - Mixed Doubles - Main |
|---|
| 1/32-finals | Leach R./Bollegraf M. | Arthurs W./Guse K. | 0:2 (64:7, 4:6) | details | 24.06.1998 |
| France: French Open - Mixed Doubles - Main |
|---|
| Quarter-finals | Montana F./Kunce K. | Leach R./Bollegraf M. | 2:1 (7:5, 3:6, 6:2) | details | 04.06.1998 |
| 1/8-finals | Fleurian J./Dechaume-Balleret A. | Leach R./Bollegraf M. | 1:2 (1:6, 6:2, 4:6) | details | 02.06.1998 |
| 1/16-finals | Nijssen T./Basuki Y. | Leach R./Bollegraf M. | 0:2 (3:6, 63:7) | details | 31.05.1998 |
 Australia: Australian Open - Mixed Doubles - Main |
|---|
| 1/16-finals | Grabb J./Kunce K. | Leach R./Bollegraf M. | 2:0 (7:5, 6:1) | details | 19.01.1998 |
| USA: US Open - Mixed Doubles - Main |
|---|
| Final | Paz M./Albano P. | Bollegraf M./Leach R. | 1:2 (6:3, 5:7, 63:7) | details | 05.09.1997 |
| Semi-finals | Bollegraf M./Leach R. | Schultz-McCarthy B./Jensen L. | 2:0 (6:3, 6:4) | details | 04.09.1997 |
| Quarter-finals | Bollegraf M./Leach R. | Tauziat N./Nestor D. | 2:0 (7:5, 6:3) | details | 02.09.1997 |
| 1/8-finals | Bollegraf M./Leach R. | Guse K./MacPherson D. | 2:0 (6:3, 6:3) | details | 31.08.1997 |
| United Kingdom: Wimbledon - Mixed Doubles - Main |
|---|
| Quarter-finals | Connell G./Davenport L. | Leach R./Bollegraf M. | 2:0 (6:4, 6:4) | details | 30.06.1997 |
| 1/8-finals | Bhupathi M./Hiraki R. | Leach R./Bollegraf M. | 1:2 (3:6, 7:5, 4:6) | details | 28.06.1997 |
| 1/16-finals | Petchey M./Wood C. | Leach R./Bollegraf M. | 0:2 (64:7, 3:6) | details | 26.06.1997 |
| 1/32-finals | Smith R./Frazier A. | Leach R./Bollegraf M. | 1:2 (1:6, 6:2, 2:6) | details | 24.06.1997 |
| France: French Open - Mixed Doubles - Main |
|---|
| Semi-finals | Galbraith P./Raymond L. | Leach R./Bollegraf M. | 2:1 (4:6, 6:2, 6:3) | details | 07.06.1997 |
| Australia: Australian Open - Mixed Doubles - Main |
|---|
| Final | Leach R./Bollegraf M. | De Jager J./Savchenko-Neiland L. | 2:1 (6:3, 65:7, 7:5) | details | 26.01.1997 |
| Semi-finals | MacPhie B./McNeil L. | Leach R./Bollegraf M. | 0:2 (68:7, 1:6) | details | 22.01.1997 |
| Quarter-finals | Leach R./Bollegraf M. | Eltingh J./Medvedeva N. | 2:1 (3:6, 6:3, 6:4) | details | 17.01.1997 |
| 1/8-finals | Leach R./Bollegraf M. | Davids H. J./Oremans M. | 2:0 (6:2, 6:3) | details | 15.01.1997 |
