Head to head
1
Hard
2
0
Grass
1
0
Carpet
1
Glenn Michibata's wins on the left · Wally Masur's on the right · bar lengths share one scale
All meetings (5)
| 1991 | Tokyo Indoor | Carpet | R32 | Wally Masur | 6-0 6-3 |
| 1991 | Hong Kong | Hard | R16 | Wally Masur | 6-3 6-2 |
| 1989 | Brisbane | Hard | R32 | Wally Masur | 7-6 7-6 |
| 1989 | Queen's Club | Grass | R32 | Wally Masur | 7-6 6-3 |
| 1982 | Toronto | Hard | R64 | Glenn Michibata | 7-6 7-5 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.