 United Kingdom: Wimbledon - Mixed Doubles - Main |
|---|
| 1/8-finals | Rikl D./Strycova B. | Koenig R./Callens E. | 2:0 (6:4, 6:4) | details | 26.06.2004 |
| 1/16-finals | Koenig R./Callens E. | Knowles M./Ruano Pascual V. | 2:0 (6:3, 6:2) | details | 24.06.2004 |
| 1/32-finals | Kohlmann M./Wartusch P. | Koenig R./Callens E. | 0:2 (2:6, 60:7) | details | 21.06.2004 |
 Australia: Australian Open - Mixed Doubles - Main |
|---|
| 1/16-finals | Sargsian S./Dementieva E. | Koenig R./Callens E. | 2:1 (5:7, 6:4, 10:3) | details | 26.01.2004 |
| United Kingdom: Wimbledon - Mixed Doubles - Main |
|---|
| 1/8-finals | Koenig R./Callens E. | Woodbridge T./Kuznetsova S. | 0:2 (5:7, 3:6) | details | 27.06.2003 |
| 1/16-finals | Koenig R./Callens E. | Kratzmann A./Musgrave T. | 2:0 (6:3, 6:4) | details | 25.06.2003 |
 France: French Open - Mixed Doubles - Main |
|---|
| 1/16-finals | Koenig R./Callens E. | Oliver G./Mandula P. | 0:2 (4:6, 0:6) | details | 02.06.2003 |
| Australia: Australian Open - Mixed Doubles - Main |
|---|
| Quarter-finals | Koenig R./Callens E. | Woodbridge T./Daniilidou E. | 0:2 (3:6, 2:6) | details | 23.01.2003 |
| 1/8-finals | Nestor D./Boogert K. | Koenig R./Callens E. | 0:2 (2:6, 2:6) | details | 22.01.2003 |
| 1/16-finals | Rikl D./Krizan T. | Koenig R./Callens E. | 0:2 (4:6, 2:6) | details | 21.01.2003 |
 USA: US Open - Mixed Doubles - Main |
|---|
| Semi-finals | Callens E./Koenig R. | Srebotnik K./Bryan B. | 1:2 (4:6, 6:3, 64:7) | details | 06.09.2002 |
| Quarter-finals | Callens E./Koenig R. | Bovina E./Knowles M. | 2:1 (6:3, 1:6, 7:610) | details | 04.09.2002 |
| 1/8-finals | Navratilova M./Paes L. | Callens E./Koenig R. | 0:2 (65:7, 4:6) | details | 01.09.2002 |
| 1/16-finals | Callens E./Koenig R. | Tarabini P./Hill M. | 2:0 (6:2, 6:3) | details | 29.08.2002 |
