Germany: Hamburg - Doubles - Main |
| 1/8-finals | Novotna J./Savchenko-Neiland L. | Smith S./ter Riet H. | 2:0 (6:3, 6:2) | details | 01.05.1991 |
| 1/16-finals | Smith S./ter Riet H. | Corsato-Owsianka L./Toleafoa C. | WO. | details | 29.04.1991 |
Brazil: Sao Paulo - Doubles - Main |
| 1/8-finals | Smith S./ter Riet H. | Tella L./Vieira A. | 1:2 (4:6, 6:0, 5:7) | details | 26.11.1990 |
Puerto Rico: San Juan - Doubles - Main |
| 1/8-finals | Ferrando L./Strandlund M. | Smith S./ter Riet H. | 2:0 (6:4, 6:2) | details | 22.10.1990 |
France: Paris 2 - Doubles - Main |
| 1/8-finals | Smith S./ter Riet H. | Godridge K./Sharpe K. | 0:2 (4:6, 4:6) | details | 17.09.1990 |
USA: US Open - Doubles - Main |
| 1/32-finals | Graf S./McNeil L. | Smith S./ter Riet H. | 2:0 (6:2, 6:1) | details | 27.08.1990 |
United Kingdom: Wimbledon - Doubles - Main |
| 1/32-finals | Javer M./White A. | Smith S./ter Riet H. | 2:0 (6:2, 6:3) | details | 30.06.1990 |
Switzerland: Geneva - Doubles - Main |
| Semi-finals | Field L./Van Rensburg D. | Smith S./ter Riet H. | 2:0 (7:5, 6:2) | details | 26.05.1990 |
| Quarter-finals | Smith S./ter Riet H. | Kelesi H./Rinaldi S. K. | 2:0 (6:3, 7:6) | details | 23.05.1990 |
| 1/8-finals | Smith S./ter Riet H. | Krapl E./Werdel W. M. | 2:1 (2:6, 6:3, 6:0) | details | 21.05.1990 |
Germany: Berlin - Doubles - Main |
| 1/8-finals | Smith S./ter Riet H. | Mandlikova H./Novotna J. | 0:2 (2:6, 4:6) | details | 16.05.1990 |
| 1/16-finals | Byrne J./Thompson J. | Smith S./ter Riet H. | 0:2 (6:7, 2:6) | details | 14.05.1990 |
Italy: Taranto - Doubles - Main |
| 1/8-finals | Dechaume-Balleret A./Van Lottum N. | Smith S./ter Riet H. | 2:0 (6:2, 6:1) | details | 01.05.1990 |