 USA: Worcester - Doubles - Main |
|---|
| 1/8-finals | Piatek-Daniels M. L./Prausa W. | Marcinkowska R./Seeman R. | 0:2 (4:6, 6:7) | dettagli | 05.11.1990 |
| USA: Oakland - Doubles - Main |
|---|
| Quarter-finals | Pierce M./Zrubakova R. | Piatek-Daniels M. L./Prausa W. | 2:0 (6:4, 6:3) | dettagli | 31.10.1990 |
| 1/8-finals | May A./Werdel W. M. | Piatek-Daniels M. L./Prausa W. | 0:2 (2:6, 1:6) | dettagli | 29.10.1990 |
| USA: Scottsdale 2 - Doubles - Main |
|---|
| Quarter-finals | Collins S./Reis R. | Piatek-Daniels M. L./Prausa W. | 2:1 (6:7, 7:5, 6:0) | dettagli | 17.10.1990 |
| 1/8-finals | Lindstrom M./Ludloff H. | Piatek-Daniels M. L./Prausa W. | 0:2 (3:6, 4:6) | dettagli | 15.10.1990 |
 World: World Doubles Cup - Doubles - Main |
|---|
| Quarter-finals | Savchenko-Neiland L./Zvereva N. | Piatek-Daniels M. L./Prausa W. | 2:0 (7:5, 6:3) | dettagli | 13.09.1990 |
| 1/8-finals | Piatek-Daniels M. L./Prausa W. | Richardson J./Turnbull W. | 2:0 (6:1, 6:2) | dettagli | 12.09.1990 |
| USA: US Open - Doubles - Main |
|---|
| 1/8-finals | Bradtke-Provis N./Reinach E. | Piatek-Daniels M. L./Prausa W. | 2:0 (6:4, 6:3) | dettagli | 03.09.1990 |
| 1/16-finals | Grossman-Wunderlich A./Stubbs R. | Piatek-Daniels M. L./Prausa W. | 1:2 (6:2, 4:6, 4:6) | dettagli | 30.08.1990 |
| 1/32-finals | Kidowaki M./Smith N. | Piatek-Daniels M. L./Prausa W. | 0:2 (5:7, 4:6) | dettagli | 27.08.1990 |
 United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/8-finals | Piatek-Daniels M. L./Prausa W. | Paz M./Sanchez-Vicario A. | 0:2 (4:6, 3:6) | dettagli | 03.07.1990 |
| 1/16-finals | Piatek-Daniels M. L./Prausa W. | Porwik C./Probst W. | 2:0 (7:5, 7:5) | dettagli | 01.07.1990 |
| 1/32-finals | Piatek-Daniels M. L./Prausa W. | Collins S./Smoller J. | 2:0 (7:6, 6:3) | dettagli | 30.06.1990 |
| USA: Tampa - Doubles - Main |
|---|
| Semi-finals | Cecchini S./Arraya L. | Piatek-Daniels M. L./Prausa W. | 2:1 (6:7, 6:2, 7:5) | dettagli | 21.04.1990 |
| Quarter-finals | Seguso C./Grossman-Wunderlich A. | Piatek-Daniels M. L./Prausa W. | 1:2 (6:4, 4:6, 2:6) | dettagli | 18.04.1990 |
| 1/8-finals | Bowes B./Faber D. | Piatek-Daniels M. L./Prausa W. | 1:2 (6:1, 1:6, 5:7) | dettagli | 16.04.1990 |
| USA: Hilton Head - Doubles - Main |
|---|
| Semi-finals | Navratilova M./Sanchez-Vicario A. | Piatek-Daniels M. L./Prausa W. | 2:0 (6:0, 6:2) | dettagli | 07.04.1990 |
| Quarter-finals | Piatek-Daniels M. L./Prausa W. | Rajchrtova R./Temesvari A. | 2:1 (6:2, 2:6, 7:5) | dettagli | 06.04.1990 |
| 1/8-finals | Piatek-Daniels M. L./Prausa W. | Foltz-Emmons S./Thomas J. | 2:0 (6:2, 6:0) | dettagli | 04.04.1990 |
| USA: Miami - Doubles - Main |
|---|
| 1/16-finals | Piatek-Daniels M. L./Prausa W. | Demongeot I./Tanvier C. | 1:2 (6:7, 6:4, 2:6) | dettagli | 18.03.1990 |
| USA: Oklahoma City - Doubles - Main |
|---|
| Final | Bollegraf M./Gregory L. | Piatek-Daniels M. L./Prausa W. | 0:2 (5:7, 2:6) | dettagli | 25.02.1990 |
| Semi-finals | Na H./Louie Harper P. | Piatek-Daniels M. L./Prausa W. | 0:2 (4:6, 2:6) | dettagli | 24.02.1990 |
| Quarter-finals | Albinus S./Van Lottum N. | Piatek-Daniels M. L./Prausa W. | 0:2 (4:6, 2:6) | dettagli | 21.02.1990 |
| 1/8-finals | Norwood M./Reami A. | Piatek-Daniels M. L./Prausa W. | 0:2 (1:6, 3:6) | dettagli | 19.02.1990 |
| USA: Chicago - Doubles - Main |
|---|
| Quarter-finals | Piatek-Daniels M. L./Prausa W. | Sanchez-Vicario A./Tauziat N. | 1:2 (4:6, 7:5, 3:6) | dettagli | 14.02.1990 |
| 1/8-finals | Barg-Mager P./Louie Harper P. | Piatek-Daniels M. L./Prausa W. | 1:2 (7:6, 1:6, 6:7) | dettagli | 12.02.1990 |
| USA: Wichita - Doubles - Main |
|---|
| Final | Bollegraf M./McGrath M. | Piatek-Daniels M. L./Prausa W. | 2:0 (6:0, 6:2) | dettagli | 11.02.1990 |
| Semi-finals | Piatek-Daniels M. L./Prausa W. | Gregory L./Rush G. | 2:1 (4:6, 6:4, 6:4) | dettagli | 09.02.1990 |
| Quarter-finals | Simpson R./Werdel W. M. | Piatek-Daniels M. L./Prausa W. | 0:2 (3:6, 0:6) | dettagli | 07.02.1990 |
| 1/8-finals | Cooper A./Norwood M. | Piatek-Daniels M. L./Prausa W. | 0:2 (3:6, 0:6) | dettagli | 05.02.1990 |
