Head to head
Rivalry summary
Russell Simpson and Jun Kamiwazumi met 2 times on the ATP tour between 1975 and 1979. Their head-to-head is level at 1–1.
1
Grass
0
0
Carpet
1
Russell Simpson's wins on the left · Jun Kamiwazumi's on the right · bar lengths share one scale
All meetings (2)
| 1979 | Davis Cup EUR SF: NZL vs JPN | Grass | RR | Russell Simpson | 6-4 6-4 6-4 |
| 1975 | Toronto WCT | Carpet | R32 | Jun Kamiwazumi | 7-6 6-4 |
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.