 USA: US Open - Singles - Qualification |
|---|
| Quarter-finals | Kowalski W. | MacPhie B. | 1:2 (6:4, 3:6, 1:6) | details | 20.08.1996 |
| USA: Cincinnati - Singles - Main |
|---|
| 1/16-finals | Kowalski W. | Muster T. | 0:2 (1:6, 1:6) | details | 07.08.1996 |
| 1/32-finals | Kowalski W. | Kulti N. | 2:1 (3:6, 7:5, 6:3) | details | 05.08.1996 |
 Austria: Kitzbuhel - Singles - Main |
|---|
| 1/16-finals | Kowalski W. | Schalken S. | 0:2 (65:7, 3:6) | details | 24.07.1996 |
| 1/32-finals | Kowalski W. | Cunha-Silva J. | 2:0 (6:3, 7:64) | details | 22.07.1996 |
| USA: Miami - Singles - Main |
|---|
| 1/32-finals | Washington M. | Kowalski W. | 2:1 (6:3, 2:6, 6:4) | details | 20.03.1996 |
| 1/64-finals | Kowalski W. | Krickstein A. | 2:1 (6:3, 3:6, 7:5) | details | 18.03.1996 |
 China: Beijing - Singles - Main |
|---|
| 1/16-finals | Chang M. | Kowalski W. | 2:0 (6:3, 6:4) | details | 16.10.1995 |
 Israel: Tel Aviv - Singles - Main |
|---|
| 1/16-finals | Kowalski W. | Ondruska M. | 0:2 (4:6, 4:6) | details | 09.10.1995 |
 Croatia: Umag - Singles - Main |
|---|
| 1/8-finals | Sanchez J. | Kowalski W. | 2:0 (6:3, 6:4) | details | 23.08.1995 |
| 1/16-finals | Fetterlein F. | Kowalski W. | 0:2 (4:6, 2:6) | details | 21.08.1995 |
 Czech Republic: Prague - Singles - Main |
|---|
| 1/16-finals | Kowalski W. | Zabaleta M. | 1:2 (4:6, 6:1, 63:7) | details | 31.07.1995 |
 France: French Open - Singles - Main |
|---|
| 1/64-finals | Kowalski W. | Forget G. | 2:3 (4:6, 7:5, 7:68, 2:6, 4:6) | details | 29.05.1995 |
| France: French Open - Singles - Qualification |
|---|
| Final | Orsanic D. | Kowalski W. | 0:2 (2:6, 3:6) | details | 26.05.1995 |
| Semi-finals | Kowalski W. | Theine T. | 2:1 (4:6, 6:2, 7:5) | details | 24.05.1995 |
| Quarter-finals | Wahlgren L. | Kowalski W. | 0:2 (3:6, 1:6) | details | 22.05.1995 |
 Greece: Athens - Singles - Main |
|---|
| 1/8-finals | Bruguera S. | Kowalski W. | 2:0 (6:2, 6:1) | details | 02.10.1991 |
| 1/16-finals | Velev M. | Kowalski W. | 0:2 (4:6, 3:6) | details | 30.09.1991 |
| Austria: Kitzbuhel - Singles - Main |
|---|
| 1/32-finals | Zillner M. | Kowalski W. | 2:1 (4:6, 6:4, 6:3) | details | 29.07.1991 |
