H2H data updated: 2026-07-18 14:16 UTC
Jun Kamiwazumi vs Ross Case H2H: 0-2
Ross Case holds a 2–0 lead over Jun Kamiwazumi in their ATP head-to-head. Across 2 main-draw meetings, Ross Case leads 1–0 on grass and 1–0 on hard courts. Most recently, Ross Case won the 1971 Hilversum semifinal 5-7 3-6 6-3 6-3 6-2.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
JPN
Age 78
Right-Handed
H2H
0
–
2
2 main draw meetings
AUS
Age 74
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Aug 8, 1971* | Hilversum | ATP 250 | SF | Hard | Ross Case | 5-7 3-6 6-3 6-3 6-2 | Jun Kamiwazumi | Match data |
| Jan 1, 1969* | Hobart | ATP 250 | R64 | Grass | Ross Case | 6-2 6-1 | 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 |
| Ross Case | #758 | #14 | 0 | 1,960 | 294 | 276 | 51.6% | 0 | 0 | 0 | 0 | 4 | 4 |
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 | Ross Case | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | — | — | — | — | — | — | — | 1968 | 3–3 | 50.0% | — | 1,503 | 0 | 0 |
| 17 | — | — | — | — | — | — | — | 1969 | 4–4 | 50.0% | — | 1,527 | 0 | 0 |
| 18 | — | — | — | — | — | — | — | 1970 | 11–8 | 57.9% | — | 1,580 | 0 | 0 |
| 19 | — | — | — | — | — | — | — | 1971 | 26–20 | 56.5% | — | 1,642 | 0 | 0 |
| 20 | 1968 | 1–1 | 50.0% | — | 1,498 | 0 | 0 | 1972 | 22–21 | 51.2% | — | 1,687 | 0 | 0 |
| 21 | 1969 | 0–1 | 0.0% | — | 1,482 | 0 | 0 | 1973 | 42–34 | 55.3% | #42 | 1,809 | 0 | 1 |
| 22 | — | — | — | — | — | — | — | 1974 | 43–28 | 60.6% | #29 | 1,828 | 0 | 2 |
| 23 | 1971 | 6–5 | 54.5% | — | 1,533 | 0 | 0 | 1975 | 38–22 | 63.3% | #27 | 1,933 | 0 | 4 |
| 24 | 1972 | 13–13 | 50.0% | — | 1,538 | 0 | 0 | 1976 | 28–24 | 53.8% | #45 | 1,832 | 0 | 4 |
| 25 | 1973 | 10–16 | 38.5% | #94 | 1,523 | 0 | 0 | 1977 | 21–24 | 46.7% | #55 | 1,758 | 0 | 4 |
| 26 | 1974 | 14–23 | 37.8% | #100 | 1,592 | 0 | 0 | 1978 | 14–19 | 42.4% | #86 | 1,680 | 0 | 4 |
| 27 | 1975 | 11–23 | 32.4% | #127 | 1,574 | 0 | 0 | 1979 | 24–26 | 48.0% | #74 | 1,674 | 0 | 4 |
| 28 | 1976 | 1–10 | 9.1% | #206 | 1,517 | 0 | 0 | 1980 | 11–20 | 35.5% | #163 | 1,619 | 0 | 4 |
| 29 | 1977 | 1–2 | 33.3% | #305 | 1,524 | 0 | 0 | 1981 | 5–15 | 25.0% | #163 | 1,500 | 0 | 4 |
| 30 | 1978 | 2–2 | 50.0% | #284 | 1,551 | 0 | 0 | 1982 | 1–5 | 16.7% | #215 | 1,466 | 0 | 4 |
| 31 | 1979 | 3–1 | 75.0% | #257 | 1,591 | 0 | 0 | 1983 | 1–3 | 25.0% | #415 | 1,458 | 0 | 4 |
| 32 | 1980 | 2–2 | 50.0% | #269 | 1,597 | 0 | 0 | — | — | — | — | — | — | — |
| 36 | 1984 | 0–1 | 0.0% | #745 | 1,582 | 0 | 0 | — | — | — | — | — | — | — |