 USA: US Open - Doubles - Main |
|---|
| 1/32-finals | Cordwell B./Henricksson A. | Collins S./Smoller J. | 2:0 (7:63, 6:4) | details | 27.08.1990 |
| USA: Los Angeles - Doubles - Main |
|---|
| 1/8-finals | Paz M./Sabatini G. | Collins S./Smoller J. | 2:0 (6:4, 6:2) | details | 15.08.1990 |
| 1/16-finals | Emmons J./Sloane-Lundy S. | Collins S./Smoller J. | 0:2 (4:6, 6:7) | details | 13.08.1990 |
 United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/32-finals | Daniels M./Prausa W. | Collins S./Smoller J. | 2:0 (7:6, 6:3) | details | 30.06.1990 |
| United Kingdom: Eastbourne - Doubles - Main |
|---|
| 1/16-finals | Collins S./Smoller J. | Capriati J./McGrath M. | 1:2 (4:6, 6:4, 2:6) | details | 18.06.1990 |
| United Kingdom: Birmingham - Doubles - Main |
|---|
| 1/16-finals | Collins S./Smoller J. | Fairbank-Nideffer R./Kilsch-Kohde C. | 0:2 (1:6, 0:6) | details | 11.06.1990 |
 France: French Open - Doubles - Main |
|---|
| 1/32-finals | Kilsch-Kohde C./Schultz-McCarthy B. | Collins S./Smoller J. | 2:0 (6:1, 6:2) | details | 28.05.1990 |
| USA: Amelia Island - Doubles - Main |
|---|
| Quarter-finals | Kilsch-Kohde C./Zvereva N. | Collins S./Smoller J. | 2:0 (6:2, 6:3) | details | 13.04.1990 |
| 1/8-finals | Collins S./Smoller J. | MacGregor C./MacGregor C. | 2:0 (7:6, 6:3) | details | 11.04.1990 |
| 1/16-finals | Collins S./Smoller J. | Keller A./Spadea-Nachmann L. | 2:1 (3:6, 6:2, 6:3) | details | 09.04.1990 |
| USA: Hilton Head - Doubles - Main |
|---|
| 1/8-finals | Collins S./Smoller J. | Meskhi L./Maleeva K. | 0:2 (4:6, 3:6) | details | 04.04.1990 |
| 1/16-finals | MacGregor C./MacGregor C. | Collins S./Smoller J. | 1:2 (3:6, 6:4, 2:6) | details | 02.04.1990 |
| USA: Miami - Doubles - Main |
|---|
| 1/16-finals | Collins S./Smoller J. | Maleeva M./Savchenko-Neiland L. | 1:2 (3:6, 6:4, 4:6) | details | 18.03.1990 |
| 1/32-finals | Collins S./Smoller J. | Garrone L./Romano B. | 2:1 (5:7, 6:3, 6:1) | details | 16.03.1990 |
| USA: Indian Wells - Doubles - Main |
|---|
| 1/16-finals | Collins S./Smoller J. | Bradtke-Provis N./Reinach E. | 1:2 (7:6, 1:6, 3:6) | details | 26.02.1990 |
| USA: Chicago - Doubles - Main |
|---|
| 1/8-finals | Adams K./McNeil L. | Collins S./Smoller J. | 2:0 (6:3, 7:6) | details | 12.02.1990 |
 Japan: Tokyo - Doubles - Main |
|---|
| Semi-finals | Faull J./McQuillan R. | Collins S./Smoller J. | 2:1 (4:6, 6:1, 6:2) | details | 03.02.1990 |
| Quarter-finals | Sanchez-Vicario A./Schultz-McCarthy B. | Collins S./Smoller J. | 1:2 (4:6, 6:4, 4:6) | details | 31.01.1990 |
| 1/8-finals | Collins S./Smoller J. | Hiraki R./Sato N. | 2:1 (1:6, 6:1, 6:3) | details | 29.01.1990 |
 Australia: Australian Open - Doubles - Main |
|---|
| 1/16-finals | Collins S./Smoller J. | Savchenko-Neiland L./Zvereva N. | 0:2 (1:6, 3:6) | details | 19.01.1990 |
| 1/32-finals | Jones D./Mcnamara S. | Collins S./Smoller J. | 0:2 (5:7, 65:7) | details | 15.01.1990 |
| Australia: Sydney - Doubles - Main |
|---|
| 1/8-finals | Fendick P./Fernandez M. J. | Collins S./Smoller J. | 2:0 (6:3, 6:1) | details | 10.01.1990 |
| 1/16-finals | Collins S./Smoller J. | Kelesi H./Phelps T. | 2:0 (6:3, 6:4) | details | 08.01.1990 |
