United Kingdom: Wimbledon - Mixed Doubles - Main |
| 1/8-finals | Gimelstob J./Williams V. | Kratzmann A./Guse K. | 2:0 (6:3, 6:3) | details | 03.07.1999 |
| 1/16-finals | Kratzmann A./Guse K. | Tramacchi P./Sugiyama A. | 2:1 (2:6, 7:5, 7:5) | details | 01.07.1999 |
| 1/32-finals | Wilkinson C./Smith S. | Kratzmann A./Guse K. | 1:2 (7:61, 3:6, 4:6) | details | 29.06.1999 |
USA: US Open - Mixed Doubles - Main |
| 1/8-finals | Guse K./Kratzmann A. | Stubbs R./Grabb J. | 0:2 (2:6, 5:7) | details | 06.09.1998 |
| 1/16-finals | Monami D./Rikl D. | Guse K./Kratzmann A. | 1:2 (64:7, 7:5, 4:6) | details | 03.09.1998 |
Australia: Australian Open - Mixed Doubles - Main |
| Quarter-finals | Kratzmann A./Guse K. | Bhupathi M./Vis C. | 1:2 (6:4, 67:7, 2:6) | details | 26.01.1998 |
| 1/8-finals | Adams D./Savchenko-Neiland L. | Kratzmann A./Guse K. | 1:2 (6:2, 3:6, 4:6) | details | 22.01.1998 |
| 1/16-finals | Kratzmann A./Guse K. | Lapentti N./Suarez P. | 1:0 RET. (6:2, 1:0) | details | 19.01.1998 |
United Kingdom: Wimbledon - Mixed Doubles - Main |
| 1/32-finals | Albano P./Paz M. | Kratzmann A./Guse K. | 2:0 (6:2, 6:4) | details | 24.06.1997 |
United Kingdom: Wimbledon - Mixed Doubles - Main |
| 1/32-finals | Kratzmann A./Guse K. | Visser D./Fairbank-Nideffer R. | 0:2 (4:6, 2:6) | details | 26.06.1991 |