Head to head
0
Clay
1
Isao Kobayashi's wins on the left · Ray Ruffels's on the right · bar lengths share one scale
All meetings (1)
| 1970 | Davis Cup AME F: JPN vs AUS | Clay | RR | Ray Ruffels | 6-2 6-2 6-0 |
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.