H2H data updated: 2026-07-18 02:15 UTC

Onny Parun vs Zan Guerry H2H: 2-1

Onny Parun holds a 2–1 lead over Zan Guerry in their ATP head-to-head. Across 3 main-draw meetings, they are tied 1–1 on clay, while Onny Parun leads 1–0 on hard courts. Most recently, Zan Guerry won the 1977 Buenos Aires third round 6-1 3-6 6-3.

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Onny Parun
NZL Age 79 Right-Handed 188 cm / 6'2"
H2H
2 – 1
3 main draw meetings
Zan Guerry
USA Age 77 Right-Handed

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Nov 24, 1977* Buenos Aires ATP 250 R32 Clay Zan Guerry #123 6-1 3-6 6-3 Onny Parun #89 Match data
Aug 7, 1972 Indianapolis ATP 250 R64 Clay Onny Parun 4-6 7-6 6-4 Zan Guerry Match data
Jul 20, 1970* Washington ATP 250 R64 Hard Onny Parun 4-6 6-1 7-5 Zan Guerry 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
Zan Guerry #490 #98 0 1,599 42 78 35.0% 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 Onny Parun Zan Guerry
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 — — — — — — — 1968 5–7 41.7% — 1,479 0 0
20 — — — — — — — 1969 8–10 44.4% — 1,528 0 0
21 1968 13–16 44.8% — 1,561 0 0 1970 1–4 20.0% — 1,494 0 0
22 1969 13–22 37.1% — 1,581 0 0 1971 4–6 40.0% — 1,524 0 0
23 1970 19–21 47.5% — 1,586 0 0 1972 5–7 41.7% — 1,521 0 0
24 1971 26–24 52.0% — 1,689 0 0 1973 3–5 37.5% #203 1,522 0 0
25 1972 39–36 52.0% — 1,703 0 0 1974 1–1 50.0% #228 1,542 0 0
26 1973 49–43 53.3% #40 1,731 0 1 1975 2–2 50.0% #205 1,570 0 0
27 1974 76–37 67.3% #25 1,945 0 3 1976 0–6 0.0% #176 1,504 0 0
28 1975 65–31 67.7% #26 1,889 0 4 1977 8–16 33.3% #109 1,563 0 0
29 1976 38–23 62.3% #29 1,816 0 6 1978 2–7 22.2% #279 1,522 0 0
30 1977 13–27 32.5% #149 1,624 0 6 1979 1–3 25.0% #326 1,517 0 0
31 1978 1–14 6.7% #210 1,499 0 6 1980 1–2 33.3% — 1,501 0 0
32 1979 3–15 16.7% #214 1,426 0 6 1981 0–1 0.0% #594 1,494 0 0
33 1980 15–19 44.1% #96 1,595 0 6 1982 1–1 50.0% — 1,515 0 0
34 1981 5–13 27.8% #99 1,535 0 6 — — — — — — —
35 1982 0–1 0.0% #200 1,522 0 6 — — — — — — —