Austria: Kitzbuhel - Doubles - Main |
| 1/8-finals | Engel D./Henricsson P. | Cherkasov A./Olhovskiy A. | 2:1 (6:4, 4:6, 6:4) | details | 31.07.1990 |
| 1/16-finals | Cherkasov A./Olhovskiy A. | Mair H./Mandl G. | 2:0 (6:3, 6:1) | details | 30.07.1990 |
Croatia: Umag - Doubles - Main |
| Final | Cherkasov A./Olhovskiy A. | Flegl V./Vacek D. | 0:2 (4:6, 4:6) | details | 20.05.1990 |
| Semi-finals | Cherkasov A./Olhovskiy A. | Masso E./Perez D. | WO. | details | 19.05.1990 |
| Quarter-finals | Cherkasov A./Olhovskiy A. | Ivanisevic G./Prpic G. | 2:0 (7:5, 7:5) | details | 17.05.1990 |
| 1/8-finals | Taroczy B./Vajda M. | Cherkasov A./Olhovskiy A. | 0:2 (4:6, 3:6) | details | 14.05.1990 |