H2H data updated: 2026-07-18 17:48 UTC

Thomaz Koch vs Onny Parun H2H: 2-1

Thomaz Koch holds a 2–1 lead over Onny Parun in their ATP head-to-head. Across 3 main-draw meetings, they are tied 1–1 on carpet, while Thomaz Koch leads 1–0 on hard courts. Most recently, Thomaz Koch won the 1973 San Juan round-robin match 7-6 7-5.

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Thomaz Koch
BRA Age 81 Left-Handed
H2H
2 – 1
3 main draw meetings
Onny Parun
NZL Age 79 Right-Handed 188 cm / 6'2"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Mar 5, 1973 San Juan ATP 250 RR Hard Thomaz Koch 7-6 7-5 Onny Parun Match data
Mar 2, 1972* New York ATP 250 R32 Carpet Onny Parun 7-5 6-3 Thomaz Koch Match data
Feb 10, 1972* Des Moines ATP 250 R16 Carpet Thomaz Koch 6-4 6-1 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
Thomaz Koch #857 #24 0 1,873 200 157 56.0% 0 0 0 0 6 6
Onny Parun #398 #18 0 1,990 375 342 52.3% 0 0 0 0 6 6

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 Thomaz Koch Onny Parun
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 1968 29–17 63.0% — 1,677 0 1 1970 19–21 47.5% — 1,586 0 0
24 1969 34–18 65.4% — 1,799 0 4 1971 26–24 52.0% — 1,689 0 0
25 1970 18–15 54.5% — 1,786 0 4 1972 39–36 52.0% — 1,703 0 0
26 1971 24–13 64.9% — 1,717 0 5 1973 49–43 53.3% #40 1,731 0 1
27 1972 19–16 54.3% — 1,717 0 6 1974 76–37 67.3% #25 1,945 0 3
28 1973 5–6 45.5% #204 1,704 0 6 1975 65–31 67.7% #26 1,889 0 4
29 1974 22–12 64.7% #24 1,861 0 6 1976 38–23 62.3% #29 1,816 0 6
30 1975 20–22 47.6% #62 1,743 0 6 1977 13–27 32.5% #149 1,624 0 6
31 1976 15–8 65.2% #58 1,803 0 6 1978 1–14 6.7% #210 1,499 0 6
32 1977 1–6 14.3% #263 1,706 0 6 1979 3–15 16.7% #214 1,426 0 6
33 — — — — — — — 1980 15–19 44.1% #96 1,595 0 6
34 1979 4–7 36.4% #85 1,658 0 6 1981 5–13 27.8% #99 1,535 0 6
35 1980 7–9 43.8% #49 1,651 0 6 1982 0–1 0.0% #200 1,522 0 6
36 1981 0–2 0.0% #90 1,627 0 6 — — — — — — —
37 1982 1–5 16.7% #240 1,592 0 6 — — — — — — —
38 1983 1–1 50.0% #185 1,583 0 6 — — — — — — —