Germany: Hamburg - Doubles - Main |
| Quarter-finals | Martinez C./Tarabini P. | Porwik C./Probst W. | 1:0 RET. (6:3, 3:0) | details | 03.05.1995 |
| 1/8-finals | Porwik C./Probst W. | Huber A./Rittner B. | 2:0 (7:5, 6:4) | details | 01.05.1995 |
USA: Miami - Doubles - Main |
| 1/16-finals | Adams K./Kelesi H. | Porwik C./Probst W. | 2:0 (6:2, 6:3) | details | 17.03.1991 |
| 1/32-finals | Camille B./Bowes B. | Porwik C./Probst W. | 1:2 (6:4, 2:6, 4:6) | details | 15.03.1991 |
New Zealand: Wellington - Doubles - Main |
| Semi-finals | Porwik C./Probst W. | Borneo B./Wood C. | 0:2 (6:7, 2:6) | details | 09.02.1991 |
| Quarter-finals | Strnadova A./Sviglerova E. | Porwik C./Probst W. | 0:2 (1:6, 3:6) | details | 07.02.1991 |
| 1/8-finals | Dahlman N./Novelo L. | Porwik C./Probst W. | 1:2 (1:6, 6:4, 3:6) | details | 04.02.1991 |
New Zealand: Auckland - Doubles - Main |
| 1/8-finals | Porwik C./Probst W. | Hetherington J./Rush G. | 0:2 (5:7, 5:7) | details | 28.01.1991 |
Australia: Australian Open - Doubles - Main |
| 1/32-finals | Porwik C./Probst W. | Cordwell B./Richardson J. | 0:2 (0:6, 3:6) | details | 14.01.1991 |
Australia: Sydney - Doubles - Main |
| 1/8-finals | Bradtke-Provis N./Reinach E. | Porwik C./Probst W. | 2:0 (6:2, 6:4) | details | 09.01.1991 |
| 1/16-finals | Porwik C./Probst W. | Kschwendt K./Rajchrtova R. | 2:0 (7:5, 6:0) | details | 07.01.1991 |
Germany: Filderstadt - Doubles - Main |
| 1/8-finals | Fernandez M. J./Garrison J. Z. | Porwik C./Probst W. | 2:0 (6:0, 6:2) | details | 15.10.1990 |
Switzerland: Zürich - Doubles - Main |
| 1/8-finals | Porwik C./Probst W. | Kilsch-Kohde C./Schultz-McCarthy B. | 0:2 (4:6, 2:6) | details | 08.10.1990 |
USA: US Open - Doubles - Main |
| 1/16-finals | Porwik C./Probst W. | Fendick P./Garrison J. Z. | 0:2 (5:7, 5:7) | details | 30.08.1990 |
| 1/32-finals | Birch-Krusos S./Graham D. | Porwik C./Probst W. | 0:2 (2:6, 2:6) | details | 27.08.1990 |
United Kingdom: Wimbledon - Doubles - Main |
| 1/16-finals | Daniels M./Prausa W. | Porwik C./Probst W. | 2:0 (7:5, 7:5) | details | 01.07.1990 |
| 1/32-finals | Loosemore S./Simpkin A. | Porwik C./Probst W. | 0:2 (2:6, 1:6) | details | 30.06.1990 |
Germany: Hamburg - Doubles - Main |
| 1/16-finals | Caverzasio C./Labat F. | Porwik C./Probst W. | WO. | details | 30.04.1990 |