Head to head
All meetings (1)
| 1970 | Davis Cup WG SF: JPN vs VIE | RR | Isao Kobayashi | 6-4 8-6 6-3 |
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.