Head to head
1
Clay
0
0
Grass
1
Jun Kuki's wins on the left · Jeff Borowiak's on the right · bar lengths share one scale
All meetings (2)
| 1975 | Nottingham | Grass | R32 | Jeff Borowiak | 6-2 6-3 |
| 1973 | Osaka | Clay | R32 | Jun Kuki | 7-6 6-1 |
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.