H2H data updated: 2026-07-19 14:15 UTC

Gene Mayer vs Onny Parun H2H: 1-0

Gene Mayer holds a 1–0 lead over Onny Parun in their ATP head-to-head. Across 1 main-draw meeting, Gene Mayer leads 1–0 on grass. Most recently, Gene Mayer won the 1979 Wimbledon second round 6-4 6-1 6-2.

USA Age 70 Right-Handed 183 cm / 6'0"
H2H
1 0
1 main draw meetings
NZL Age 79 Right-Handed 188 cm / 6'2"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jun 29, 1979* Wimbledon Grand Slam R64 Grass Gene Mayer #18 6-4 6-1 6-2 Onny Parun #210 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
Gene Mayer #976 #4 6 2,198 311 159 66.2% 0 0 0 0 14 14
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 Gene Mayer Onny Parun
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1973 0–1 0.0% 1,492 0 0
19 1975 6–10 37.5% #144 1,540 0 0
20 1976 17–16 51.5% #48 1,700 0 0
21 1977 17–27 38.6% #142 1,685 0 0 1968 13–16 44.8% 1,561 0 0
22 1978 25–18 58.1% #64 1,733 0 1 1969 13–22 37.1% 1,581 0 0
23 1979 54–25 68.4% #12 1,979 0 2 1970 19–21 47.5% 1,586 0 0
24 1980 71–16 81.6% #5 2,139 0 7 1971 26–24 52.0% 1,689 0 0
25 1981 37–8 82.2% #7 2,072 0 11 1972 39–36 52.0% 1,703 0 0
26 1982 33–11 75.0% #7 2,069 0 12 1973 49–43 53.3% #40 1,731 0 1
27 1983 25–10 71.4% #10 1,964 0 14 1974 76–37 67.3% #25 1,945 0 3
28 1984 24–15 61.5% #18 1,873 0 14 1975 65–31 67.7% #26 1,889 0 4
29 1985 2–1 66.7% #368 1,863 0 14 1976 38–23 62.3% #29 1,816 0 6
30 1986 0–1 0.0% #870 1,841 0 14 1977 13–27 32.5% #149 1,624 0 6
31 1978 1–14 6.7% #210 1,499 0 6
32 1979 3–15 16.7% #214 1,426 0 6
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