Head to head
1
Clay
0
0
Grass
1
Toshiro Sakai's wins on the left · John Newcombe's on the right · bar lengths share one scale
All meetings (2)
| 1975 | Davis Cup AME SF: AUS vs JPN | Grass | RR | John Newcombe | 6-4 6-3 6-3 |
| 1973 | Davis Cup AME SF: JPN vs AUS | Clay | RR | Toshiro Sakai | 8-6 6-4 4-6 0-6 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.