 USA: US Open - Doubles - Main |
|---|
| 1/16-finals | Guse K./Nishiya A. | Tauziat N./Wiesner J. | 0:2 (1:6, 3:6) | details | 29.08.1991 |
| 1/32-finals | Maleeva M./Maleeva M. | Guse K./Nishiya A. | 0:2 (5:7, 4:6) | details | 26.08.1991 |
 San Marino: San Marino - Doubles - Main |
|---|
| Final | Garrone L./Paz M. | Guse K./Nishiya A. | 0:2 (0:6, 3:6) | details | 21.07.1991 |
| Semi-finals | Guse K./Nishiya A. | Farina Elia S./Miyauchi M. | 2:0 (6:3, 6:4) | details | 20.07.1991 |
| Quarter-finals | Corsato-Owsianka L./Szabova D. | Guse K./Nishiya A. | 1:2 (2:6, 6:4, 1:6) | details | 17.07.1991 |
| 1/8-finals | Driehuis Ingelise/Pleming L. | Guse K./Nishiya A. | 1:2 (5:7, 7:5, 2:6) | details | 15.07.1991 |
 Italy: Palermo - Doubles - Main |
|---|
| Quarter-finals | Guse K./Nishiya A. | Langrova P./Pierce M. | 0:2 (4:6, 1:6) | details | 11.07.1991 |
| 1/8-finals | Guse K./Nishiya A. | Farina Elia S./Piccolini K. | 2:0 (6:4, 7:6) | details | 08.07.1991 |
 Japan: Tokyo - Doubles - Main |
|---|
| 1/8-finals | Arraya L./Smoller J. | Guse K./Nishiya A. | 2:0 (7:6, 6:2) | details | 29.01.1991 |
