H2H data updated: 2026-07-14 14:15 UTC
J. Kuki vs R. Thung H2H: 0-2
R. Thung holds a 2–0 lead over J. Kuki in their ATP head-to-head. Across 2 main-draw meetings, R. Thung leads 1–0 on clay and 1–0 on hard courts. Most recently, R. Thung won the 1975 Tokyo third round 6-4 7-6.
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JPN
Age 80
Right-Handed
H2H
0
–
2
2 main draw meetings
NED
Age 74
Left-Handed
190 cm / 6'3"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Nov 5, 1975* | Tokyo | ATP 250 | R32 | Clay | R. Thung | 6-4 7-6 | J. Kuki | Match data |
| Oct 29, 1975* | Perth | ATP 250 | R32 | Hard | R. Thung | 6-3 6-0 | J. Kuki | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
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. Kuki | R. Thung | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | — | — | — | — | — | — | — | 1968 | 0–1 | 0.0% | — | 1,484 | 0 | 0 |
| 18 | — | — | — | — | — | — | — | 1970 | 0–1 | 0.0% | — | 1,469 | 0 | 0 |
| 20 | — | — | — | — | — | — | — | 1972 | 0–1 | 0.0% | — | 1,457 | 0 | 0 |
| 21 | — | — | — | — | — | — | — | 1973 | 0–1 | 0.0% | — | 1,444 | 0 | 0 |
| 22 | 1968 | 2–6 | 25.0% | — | 1,450 | 0 | 0 | 1974 | 4–7 | 36.4% | #150 | 1,474 | 0 | 0 |
| 23 | 1969 | 1–4 | 20.0% | — | 1,429 | 0 | 0 | 1975 | 11–28 | 28.2% | #134 | 1,495 | 0 | 0 |
| 24 | 1970 | 3–12 | 20.0% | — | 1,406 | 0 | 0 | 1976 | 3–19 | 13.6% | #182 | 1,394 | 0 | 0 |
| 25 | 1971 | 9–12 | 42.9% | — | 1,492 | 0 | 0 | 1977 | 2–5 | 28.6% | #263 | 1,406 | 0 | 0 |
| 26 | 1972 | 5–12 | 29.4% | — | 1,464 | 0 | 0 | 1978 | 1–4 | 20.0% | #328 | 1,393 | 0 | 0 |
| 27 | 1973 | 3–8 | 27.3% | #217 | 1,461 | 0 | 0 | — | — | — | — | — | — | — |
| 28 | 1974 | 10–17 | 37.0% | #101 | 1,594 | 0 | 0 | 1980 | 0–1 | 0.0% | #372 | 1,388 | 0 | 0 |
| 29 | 1975 | 11–28 | 28.2% | #161 | 1,455 | 0 | 0 | — | — | — | — | — | — | — |
| 30 | 1976 | 19–17 | 52.8% | #78 | 1,610 | 0 | 0 | — | — | — | — | — | — | — |
| 31 | 1977 | 3–11 | 21.4% | #201 | 1,547 | 0 | 0 | — | — | — | — | — | — | — |
| 32 | 1978 | 3–2 | 60.0% | #146 | 1,586 | 0 | 0 | — | — | — | — | — | — | — |
| 33 | 1979 | 1–2 | 33.3% | #389 | 1,577 | 0 | 0 | — | — | — | — | — | — | — |
| 34 | 1980 | 0–1 | 0.0% | #356 | 1,564 | 0 | 0 | — | — | — | — | — | — | — |
| 35 | 1981 | 2–1 | 66.7% | #356 | 1,597 | 0 | 0 | — | — | — | — | — | — | — |
| 36 | 1982 | 1–1 | 50.0% | — | 1,596 | 0 | 0 | — | — | — | — | — | — | — |