H2H data updated: 2026-07-14 14:15 UTC
J. Kamiwazumi vs R. Chavez H2H: 1-0
J. Kamiwazumi holds a 1–0 lead over R. Chavez in their ATP head-to-head. Across 1 main-draw meeting, J. Kamiwazumi leads 1–0 on clay. Most recently, J. Kamiwazumi won the 1973 Roland Garros first round 6-3 6-4.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| May 23, 1973* | Roland Garros | Grand Slam | R128 | Clay | J. Kamiwazumi | 6-3 6-4 | R. Chavez | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| J. Kamiwazumi | #808 | #78 | 0 | 1,628 | 64 | 100 | 39.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| R. Chavez | #279 | #172 | 0 | 1,571 | 11 | 13 | 45.8% | 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.
| J. Kamiwazumi | R. Chavez | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 1–1 | 50.0% | — | 1,498 | 0 | 0 | 1968 | 2–1 | 66.7% | — | 1,520 | 0 | 0 |
| 1969 | 0–1 | 0.0% | — | 1,482 | 0 | 0 | 1973 | 7–4 | 63.6% | #201 | 1,556 | 0 | 0 |
| 1971 | 6–5 | 54.5% | — | 1,533 | 0 | 0 | 1974 | 0–2 | 0.0% | #249 | 1,542 | 0 | 0 |
| 1972 | 13–13 | 50.0% | — | 1,538 | 0 | 0 | 1976 | 0–1 | 0.0% | #310 | 1,529 | 0 | 0 |
| 1973 | 10–16 | 38.5% | #94 | 1,523 | 0 | 0 | 1977 | 0–2 | 0.0% | #365 | 1,521 | 0 | 0 |
| 1974 | 14–23 | 37.8% | #100 | 1,592 | 0 | 0 | 1978 | 2–3 | 40.0% | #279 | 1,531 | 0 | 0 |
| 1975 | 11–23 | 32.4% | #127 | 1,574 | 0 | 0 | — | — | — | — | — | — | — |
| 1976 | 1–10 | 9.1% | #206 | 1,517 | 0 | 0 | — | — | — | — | — | — | — |
| 1977 | 1–2 | 33.3% | #305 | 1,524 | 0 | 0 | — | — | — | — | — | — | — |
| 1978 | 2–2 | 50.0% | #284 | 1,551 | 0 | 0 | — | — | — | — | — | — | — |
| 1979 | 3–1 | 75.0% | #257 | 1,591 | 0 | 0 | — | — | — | — | — | — | — |
| 1980 | 2–2 | 50.0% | #269 | 1,597 | 0 | 0 | — | — | — | — | — | — | — |
| 1984 | 0–1 | 0.0% | #745 | 1,582 | 0 | 0 | — | — | — | — | — | — | — |