H2H data updated: 2026-07-14 14:15 UTC
J. Kamiwazumi vs S. Ball H2H: 1-0
J. Kamiwazumi holds a 1–0 lead over S. Ball in their ATP head-to-head. Across 1 main-draw meeting, J. Kamiwazumi leads 1–0 on clay. Most recently, J. Kamiwazumi won the 1978 Osaka third round 6-3 6-3.
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JPN
Age 78
Right-Handed
H2H
1
–
0
1 main draw meetings
AUS
Age 76
Right-Handed
188 cm / 6'2"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Oct 26, 1978* | Osaka | ATP 250 | R32 | Clay | J. Kamiwazumi | 6-3 6-3 | S. Ball | 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 |
| S. Ball | #748 | #63 | 0 | 1,725 | 126 | 181 | 41.0% | 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 | J. Kamiwazumi | S. Ball | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | — | — | — | — | — | — | — | 1968 | 1–3 | 25.0% | — | 1,492 | 0 | 0 |
| 19 | — | — | — | — | — | — | — | 1969 | 5–5 | 50.0% | — | 1,467 | 0 | 0 |
| 20 | 1968 | 1–1 | 50.0% | — | 1,498 | 0 | 0 | 1970 | 6–8 | 42.9% | — | 1,460 | 0 | 0 |
| 21 | 1969 | 0–1 | 0.0% | — | 1,482 | 0 | 0 | 1971 | 8–13 | 38.1% | — | 1,459 | 0 | 0 |
| 22 | — | — | — | — | — | — | — | 1972 | 7–9 | 43.8% | — | 1,512 | 0 | 0 |
| 23 | 1971 | 6–5 | 54.5% | — | 1,533 | 0 | 0 | 1973 | 14–13 | 51.9% | #155 | 1,595 | 0 | 0 |
| 24 | 1972 | 13–13 | 50.0% | — | 1,538 | 0 | 0 | 1974 | 34–35 | 49.3% | #104 | 1,647 | 0 | 0 |
| 25 | 1973 | 10–16 | 38.5% | #94 | 1,523 | 0 | 0 | 1975 | 14–27 | 34.1% | #116 | 1,596 | 0 | 0 |
| 26 | 1974 | 14–23 | 37.8% | #100 | 1,592 | 0 | 0 | 1976 | 8–19 | 29.6% | #89 | 1,546 | 0 | 0 |
| 27 | 1975 | 11–23 | 32.4% | #127 | 1,574 | 0 | 0 | 1977 | 3–10 | 23.1% | #207 | 1,510 | 0 | 0 |
| 28 | 1976 | 1–10 | 9.1% | #206 | 1,517 | 0 | 0 | 1978 | 2–5 | 28.6% | #294 | 1,491 | 0 | 0 |
| 29 | 1977 | 1–2 | 33.3% | #305 | 1,524 | 0 | 0 | 1979 | 3–5 | 37.5% | #368 | 1,517 | 0 | 0 |
| 30 | 1978 | 2–2 | 50.0% | #284 | 1,551 | 0 | 0 | 1980 | 12–13 | 48.0% | #146 | 1,558 | 0 | 0 |
| 31 | 1979 | 3–1 | 75.0% | #257 | 1,591 | 0 | 0 | 1981 | 8–12 | 40.0% | #146 | 1,546 | 0 | 0 |
| 32 | 1980 | 2–2 | 50.0% | #269 | 1,597 | 0 | 0 | 1982 | 1–4 | 20.0% | #168 | 1,511 | 0 | 0 |
| 36 | 1984 | 0–1 | 0.0% | #745 | 1,582 | 0 | 0 | — | — | — | — | — | — | — |