Germany: Hamburg - Doubles - Main |
| 1/16-finals | Novacek K./Pimek L. | McEnroe P./Sampras P. | 1:2 (7:5, 3:6, 3:6) | details | 06.05.1991 |
Spain: Madrid 2 - Doubles - Main |
| 1/8-finals | Casal S./Sanchez E. | Novacek K./Pimek L. | 2:0 (6:2, 6:1) | details | 29.04.1991 |
USA: Miami - Doubles - Main |
| 1/8-finals | Aldrich P./Visser D. | Novacek K./Pimek L. | 2:0 (7:6, 6:2) | details | 20.03.1991 |
| 1/16-finals | Novacek K./Pimek L. | Davis M./Rive J. | 2:0 (6:4, 7:6) | details | 18.03.1991 |
| 1/32-finals | Novacek K./Pimek L. | Nijssen T./Suk C. | 2:0 (6:4, 6:4) | details | 15.03.1991 |
Denmark: Copenhagen - Doubles - Main |
| 1/8-finals | Castle A./Henricsson P. | Novacek K./Pimek L. | 2:1 (6:4, 1:6, 6:3) | details | 04.03.1991 |
Australia: Australian Open - Doubles - Main |
| 1/16-finals | Novacek K./Pimek L. | Riglewski U./Stich M. | 0:2 (1:6, 4:6) | details | 17.01.1991 |
| 1/32-finals | Arthurs W./Limberger C. | Novacek K./Pimek L. | 0:2 (4:6, 4:6) | details | 14.01.1991 |
New Zealand: Auckland - Doubles - Main |
| Quarter-finals | Novacek K./Pimek L. | Casal S./Sanchez E. | 0:2 (6:7, 6:7) | details | 09.01.1991 |
| 1/8-finals | Sznajder A./Washington M. | Novacek K./Pimek L. | 0:2 (2:6, 4:6) | details | 07.01.1991 |
New Zealand: Wellington - Doubles - Main |
| Quarter-finals | Novacek K./Pimek L. | Mattar L./Pereira N. | 1:2 (6:2, 2:6, 2:6) | details | 02.01.1991 |
| 1/8-finals | Novacek K./Pimek L. | Canter J./Derlin B. | 2:0 (7:6, 6:2) | details | 31.12.1990 |
France: Paris - Doubles - Main |
| 1/16-finals | Broad N./Muller G. | Novacek K./Pimek L. | 2:0 (6:3, 7:6) | details | 29.10.1990 |
United Kingdom: Wimbledon - Doubles - Main |
| 1/32-finals | Novacek K./Pimek L. | Forget G./Hlasek J. | 1:3 (3:6, 7:6, 4:6, 0:6) | details | 30.06.1990 |