H2H data updated: 2026-07-18 14:16 UTC

Onny Parun vs Clark Graebner H2H: 1-6

Clark Graebner holds a 6–1 lead over Onny Parun in their ATP head-to-head. Across 7 main-draw meetings, Clark Graebner leads 3–0 on clay and 2–0 on grass. Most recently, Clark Graebner won the 1973 South Orange quarterfinal 6-2 6-4.

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Onny Parun
NZL Age 79 Right-Handed 188 cm / 6'2"
H2H
1 – 6
7 main draw meetings
Clark Graebner
USA Age 82 Right-Handed 188 cm / 6'2"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Aug 25, 1973* South Orange ATP 250 QF Grass Clark Graebner #58 6-2 6-4 Onny Parun #57 Match data
Sep 6, 1971* South Orange ATP 250 SF Hard Clark Graebner 1-6 6-1 6-2 1-6 7-6 Onny Parun Match data
Aug 12, 1971* Indianapolis ATP 250 R32 Clay Clark Graebner 6-3 6-2 Onny Parun Match data
Jul 30, 1970* Indianapolis ATP 250 R32 Clay Clark Graebner 6-4 6-4 Onny Parun Match data
Jul 30, 1970* Indianapolis ATP 250 R32 Clay Clark Graebner 6-4 6-4 Onny Parun Match data
Mar 1, 1970* Macon ATP 250 R16 Carpet Onny Parun 6-3 6-4 Clark Graebner Match data
Jun 13, 1968* Bristol ATP 250 R32 Grass Clark Graebner 6-0 5-7 6-3 Onny Parun 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
Onny Parun #398 #18 0 1,990 375 342 52.3% 0 0 0 0 6 6
Clark Graebner #199 #45 0 2,015 342 162 67.9% 0 0 0 0 12 12

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 Onny Parun Clark Graebner
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
21 1968 13–16 44.8% — 1,561 0 0 — — — — — — —
22 1969 13–22 37.1% — 1,581 0 0 — — — — — — —
23 1970 19–21 47.5% — 1,586 0 0 — — — — — — —
24 1971 26–24 52.0% — 1,689 0 0 1968 74–22 77.1% — 1,820 0 2
25 1972 39–36 52.0% — 1,703 0 0 1969 49–14 77.8% — 1,842 0 6
26 1973 49–43 53.3% #40 1,731 0 1 1970 58–28 67.4% — 1,839 0 8
27 1974 76–37 67.3% #25 1,945 0 3 1971 75–29 72.1% — 1,878 0 11
28 1975 65–31 67.7% #26 1,889 0 4 1972 33–22 60.0% — 1,812 0 11
29 1976 38–23 62.3% #29 1,816 0 6 1973 34–19 64.2% #48 1,768 0 12
30 1977 13–27 32.5% #149 1,624 0 6 1974 11–14 44.0% #99 1,685 0 12
31 1978 1–14 6.7% #210 1,499 0 6 1975 8–11 42.1% #120 1,580 0 12
32 1979 3–15 16.7% #214 1,426 0 6 1976 0–3 0.0% #199 1,537 0 12
33 1980 15–19 44.1% #96 1,595 0 6 — — — — — — —
34 1981 5–13 27.8% #99 1,535 0 6 — — — — — — —
35 1982 0–1 0.0% #200 1,522 0 6 — — — — — — —