 United Kingdom: Wimbledon - Singles - Qualification |
|---|
| Semi-finals | Ellwood B. | Masuda K. | 2:0 (7:5, 6:4) | details | 19.06.1998 |
| Quarter-finals | Masuda K. | Weiner G. | 2:1 (6:2, 4:6, 7:5) | details | 17.06.1998 |
 Japan: Tokyo - Singles - Main |
|---|
| 1/32-finals | Tillstrom M. | Masuda K. | 2:1 (4:6, 6:3, 6:0) | details | 13.04.1998 |
 Australia: Australian Open - Singles - Qualification |
|---|
| Quarter-finals | Masuda K. | Pescariu D-M. | 0:2 (2:6, 5:7) | details | 08.01.1997 |
| Japan: Tokyo - Singles - Main |
|---|
| 1/32-finals | Raoux G. | Masuda K. | 2:0 (6:4, 6:2) | details | 04.04.1994 |
| Japan: Tokyo - Singles - Main |
|---|
| 1/32-finals | Masuda K. | Bryan S. | 0:2 (1:6, 2:6) | details | 06.04.1992 |
| Japan: Tokyo - Singles - Main |
|---|
| 1/32-finals | Stimpson J. | Masuda K. | 2:0 (6:1, 6:1) | details | 08.04.1991 |
| Japan: Tokyo 2 - Singles - Main |
|---|
| 1/32-finals | Masuda K. | Witsken T. | 0:2 (2:6, 3:6) | details | 08.10.1990 |
| Japan: Tokyo - Singles - Main |
|---|
| 1/32-finals | Srejber M. | Masuda K. | 2:0 (6:2, 6:4) | details | 09.04.1990 |
