Australia: Australian Open - Singles - Qualification |
| Quarter-finals | Krejcova E. | Mulej B. | 2:0 (6:3, 6:3) | details | 12.01.2000 |
USA: US Open - Singles - Qualification |
| Semi-finals | Mulej B. | Carlsson A. | 0:2 (65:7, 1:6) | details | 26.08.1999 |
| Quarter-finals | Park S. | Mulej B. | 1:2 (6:2, 4:6, 1:6) | details | 24.08.1999 |
France: French Open - Singles - Qualification |
| Semi-finals | Mulej B. | Prazeres S. | 0:2 (3:6, 4:6) | details | 22.05.1997 |
| Quarter-finals | Mulej B. | De Winne C. | 2:0 (6:1, 6:1) | details | 21.05.1997 |
Australia: Australian Open - Singles - Main |
| 1/64-finals | Lee-Waters L. | Mulej B. | 2:1 (2:6, 6:3, 6:2) | details | 16.01.1997 |
USA: Oakland - Singles - Main |
| 1/16-finals | Werdel W. M. | Mulej B. | 2:0 (7:6, 6:2) | details | 04.11.1996 |
Croatia: Bol - Singles - Main |
| 1/16-finals | Mulej B. | Pizzichini G. | 0:2 (0:6, 3:6) | details | 29.04.1996 |
France: French Open - Singles - Qualification |
| Semi-finals | Mulej B. | Schett B. | 0:2 (0:6, 64:7) | details | 01.06.1995 |
| Quarter-finals | Wood C. | Mulej B. | 1:2 (6:3, 4:6, 4:6) | details | 29.05.1995 |
Italy: Rome - Singles - Main |
| 1/16-finals | Mulej B. | Kruger J. | 0:2 (2:6, 1:6) | details | 09.05.1995 |
| 1/32-finals | Gorrochategui I. | Mulej B. | 0:2 (3:6, 2:6) | details | 08.05.1995 |
Croatia: Zagreb - Singles - Main |
| 1/16-finals | Appelmans S. | Mulej B. | 2:1 (7:6, 2:6, 7:6) | details | 24.04.1995 |
Italy: Palermo - Singles - Main |
| 1/16-finals | Studenikova K. | Mulej B. | 2:0 (6:4, 7:6) | details | 05.07.1994 |
Italy: Rome - Singles - Main |
| 1/16-finals | Mulej B. | Pierce M. | 0:2 (2:6, 2:6) | details | 04.05.1994 |
| 1/32-finals | Bentivoglio M. F. | Mulej B. | 0:2 (2:6, 3:6) | details | 02.05.1994 |
China: Beijing - Singles - Main |
| 1/8-finals | Meier S. | Mulej B. | 2:0 (6:2, 6:2) | details | 16.02.1994 |
| 1/16-finals | Guse K. | Mulej B. | 0:2 (1:6, 1:6) | details | 14.02.1994 |
Czech Republic: Prague - Singles - Main |
| 1/16-finals | Mulej B. | Pospisilova J. | 1:2 (5:7, 6:4, 5:7) | details | 20.07.1992 |
Italy: Palermo - Singles - Main |
| 1/16-finals | Paz M. | Mulej B. | 2:0 (6:1, 6:4) | details | 06.07.1992 |
France: French Open - Singles - Qualification |
| Quarter-finals | Mulej B. | Kruger J. | 0:2 (4:6, 2:6) | details | 20.05.1992 |
Italy: Rome - Singles - Main |
| 1/16-finals | Mulej B. | Coetzer A. | 0:2 (5:7, 4:6) | details | 05.05.1992 |
Australia: Australian Open - Singles - Main |
| 1/64-finals | Mulej B. | Byrne J. | 0:2 (1:6, 0:6) | details | 13.01.1992 |
Russia: St. Petersburg - Singles - Main |
| 1/8-finals | Mulej B. | Rittner B. | 1:2 (6:4, 3:6, 1:6) | details | 25.09.1991 |
| 1/16-finals | Strandlund M. | Mulej B. | 0:2 (3:6, 4:6) | details | 23.09.1991 |
Croatia: Bol - Singles - Main |
| 1/16-finals | Strnadova A. | Mulej B. | 2:0 (6:3, 7:6) | details | 22.04.1991 |