Head to head
0
Clay
1
1
Grass
0
Jeff Borowiak's wins on the left · Jun Kuki'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.