H2H data updated: 2026-07-19 08:25 UTC
Jun Kamiwazumi vs William Brown H2H: 0-1
William Brown holds a 1–0 lead over Jun Kamiwazumi in their ATP head-to-head. Across 1 main-draw meeting, William Brown leads 1–0 on clay. Most recently, William Brown won the 1973 Tokyo second round 7-5 2-6 7-6.
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JPN
Age 78
Right-Handed
H2H
0
–
1
1 main draw meetings
USA
Age 81
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Oct 10, 1973* | Tokyo | ATP 250 | R64 | Clay | William Brown | 7-5 2-6 7-6 | Jun Kamiwazumi | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun Kamiwazumi | #808 | #78 | 0 | 1,628 | 64 | 100 | 39.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| William Brown | #436 | #86 | 0 | 1,552 | 28 | 82 | 25.5% | 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 | Jun Kamiwazumi | William Brown | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 20 | 1968 | 1–1 | 50.0% | — | 1,498 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 1969 | 0–1 | 0.0% | — | 1,482 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 1971 | 6–5 | 54.5% | — | 1,533 | 0 | 0 | 1968 | 2–6 | 25.0% | — | 1,444 | 0 | 0 |
| 24 | 1972 | 13–13 | 50.0% | — | 1,538 | 0 | 0 | 1969 | 2–5 | 28.6% | — | 1,451 | 0 | 0 |
| 25 | 1973 | 10–16 | 38.5% | #94 | 1,523 | 0 | 0 | 1970 | 1–7 | 12.5% | — | 1,426 | 0 | 0 |
| 26 | 1974 | 14–23 | 37.8% | #100 | 1,592 | 0 | 0 | 1971 | 1–6 | 14.3% | — | 1,411 | 0 | 0 |
| 27 | 1975 | 11–23 | 32.4% | #127 | 1,574 | 0 | 0 | 1972 | 3–8 | 27.3% | — | 1,436 | 0 | 0 |
| 28 | 1976 | 1–10 | 9.1% | #206 | 1,517 | 0 | 0 | 1973 | 2–12 | 14.3% | #224 | 1,399 | 0 | 0 |
| 29 | 1977 | 1–2 | 33.3% | #305 | 1,524 | 0 | 0 | 1974 | 11–19 | 36.7% | #86 | 1,546 | 0 | 0 |
| 30 | 1978 | 2–2 | 50.0% | #284 | 1,551 | 0 | 0 | 1975 | 5–17 | 22.7% | #165 | 1,482 | 0 | 0 |
| 31 | 1979 | 3–1 | 75.0% | #257 | 1,591 | 0 | 0 | 1976 | 1–1 | 50.0% | #239 | 1,508 | 0 | 0 |
| 32 | 1980 | 2–2 | 50.0% | #269 | 1,597 | 0 | 0 | 1977 | 0–1 | 0.0% | #414 | 1,489 | 0 | 0 |
| 36 | 1984 | 0–1 | 0.0% | #745 | 1,582 | 0 | 0 | — | — | — | — | — | — | — |