H2H data updated: 2026-07-19 14:15 UTC
Russell Simpson vs Jun Kamiwazumi H2H: 0-1
Jun Kamiwazumi holds a 1–0 lead over Russell Simpson in their ATP head-to-head. Across 1 main-draw meeting, Jun Kamiwazumi leads 1–0 on carpet. Most recently, Jun Kamiwazumi won the 1975 Toronto Indoor Wct third round 7-6 6-4.
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NZL
Age 72
Right-Handed
188 cm / 6'2"
H2H
0
–
1
1 main draw meetings
JPN
Age 78
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Feb 13, 1975* | Toronto Indoor Wct | ATP 250 | R32 | Carpet | Jun Kamiwazumi | 7-6 6-4 | Russell Simpson | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Russell Simpson | #1,013 | #47 | 0 | 1,765 | 131 | 195 | 40.2% | 0 | 0 | 0 | 0 | 0 | 0 |
| Jun Kamiwazumi | #808 | #78 | 0 | 1,628 | 64 | 100 | 39.0% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Russell Simpson | Jun Kamiwazumi | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 1972 | 0–1 | 0.0% | — | 1,470 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1973 | 3–3 | 50.0% | — | 1,498 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1974 | 5–3 | 62.5% | #318 | 1,539 | 0 | 0 | 1968 | 1–1 | 50.0% | — | 1,498 | 0 | 0 |
| 21 | 1975 | 4–15 | 21.1% | #183 | 1,491 | 0 | 0 | 1969 | 0–1 | 0.0% | — | 1,482 | 0 | 0 |
| 22 | 1976 | 8–16 | 33.3% | #143 | 1,490 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 1977 | 6–15 | 28.6% | #126 | 1,451 | 0 | 0 | 1971 | 6–5 | 54.5% | — | 1,533 | 0 | 0 |
| 24 | 1978 | 6–11 | 35.3% | #108 | 1,496 | 0 | 0 | 1972 | 13–13 | 50.0% | — | 1,538 | 0 | 0 |
| 25 | 1979 | 9–17 | 34.6% | #133 | 1,572 | 0 | 0 | 1973 | 10–16 | 38.5% | #94 | 1,523 | 0 | 0 |
| 26 | 1980 | 20–22 | 47.6% | #76 | 1,695 | 0 | 0 | 1974 | 14–23 | 37.8% | #100 | 1,592 | 0 | 0 |
| 27 | 1981 | 15–20 | 42.9% | #88 | 1,644 | 0 | 0 | 1975 | 11–23 | 32.4% | #127 | 1,574 | 0 | 0 |
| 28 | 1982 | 19–18 | 51.4% | #50 | 1,672 | 0 | 0 | 1976 | 1–10 | 9.1% | #206 | 1,517 | 0 | 0 |
| 29 | 1983 | 9–13 | 40.9% | #96 | 1,584 | 0 | 0 | 1977 | 1–2 | 33.3% | #305 | 1,524 | 0 | 0 |
| 30 | 1984 | 9–16 | 36.0% | #121 | 1,545 | 0 | 0 | 1978 | 2–2 | 50.0% | #284 | 1,551 | 0 | 0 |
| 31 | 1985 | 11–11 | 50.0% | #117 | 1,602 | 0 | 0 | 1979 | 3–1 | 75.0% | #257 | 1,591 | 0 | 0 |
| 32 | 1986 | 4–10 | 28.6% | #180 | 1,536 | 0 | 0 | 1980 | 2–2 | 50.0% | #269 | 1,597 | 0 | 0 |
| 33 | 1987 | 3–4 | 42.9% | #324 | 1,546 | 0 | 0 | — | — | — | — | — | — | — |
| 36 | — | — | — | — | — | — | — | 1984 | 0–1 | 0.0% | #745 | 1,582 | 0 | 0 |