H2H data updated: 2026-07-18 17:48 UTC
Heinz Gunthardt vs Onny Parun H2H: 3-0
Heinz Gunthardt holds a 3–0 lead over Onny Parun in their ATP head-to-head. Across 3 main-draw meetings, Heinz Gunthardt leads 3–0 on hard courts. Most recently, Heinz Gunthardt won the 1980 US Open first round 6-4 6-2 6-3.
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SUI
Age 67
Right-Handed
180 cm / 5'11"
H2H
3
–
0
3 main draw meetings
NZL
Age 79
Right-Handed
188 cm / 6'2"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Aug 28, 1980* | US Open | Grand Slam | R128 | Hard | Heinz Gunthardt | 6-4 6-2 6-3 | Onny Parun | Match data |
| Nov 1, 1979* | Cologne | ATP 250 | R32 | Hard | Heinz Gunthardt | 6-2 6-2 | Onny Parun | Match data |
| Dec 8, 1978* | Johannesburg | ATP 250 | R16 | Hard | Heinz Gunthardt | 6-1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Heinz Gunthardt | #1,013 | #22 | 0 | 1,966 | 225 | 189 | 54.3% | 0 | 0 | 0 | 0 | 5 | 5 |
| 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 | Heinz Gunthardt | Onny Parun | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 1976 | 1–4 | 20.0% | #210 | 1,497 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 1977 | 3–6 | 33.3% | #221 | 1,509 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1978 | 25–25 | 50.0% | #55 | 1,764 | 0 | 1 | — | — | — | — | — | — | — |
| 20 | 1979 | 30–23 | 56.6% | #51 | 1,812 | 0 | 1 | — | — | — | — | — | — | — |
| 21 | 1980 | 37–21 | 63.8% | #26 | 1,832 | 0 | 4 | 1968 | 13–16 | 44.8% | — | 1,561 | 0 | 0 |
| 22 | 1981 | 28–22 | 56.0% | #38 | 1,813 | 0 | 4 | 1969 | 13–22 | 37.1% | — | 1,581 | 0 | 0 |
| 23 | 1982 | 26–25 | 51.0% | #85 | 1,722 | 0 | 4 | 1970 | 19–21 | 47.5% | — | 1,586 | 0 | 0 |
| 24 | 1983 | 27–15 | 64.3% | #25 | 1,853 | 0 | 5 | 1971 | 26–24 | 52.0% | — | 1,689 | 0 | 0 |
| 25 | 1984 | 23–19 | 54.8% | #31 | 1,779 | 0 | 5 | 1972 | 39–36 | 52.0% | — | 1,703 | 0 | 0 |
| 26 | 1985 | 22–19 | 53.7% | #36 | 1,818 | 0 | 5 | 1973 | 49–43 | 53.3% | #40 | 1,731 | 0 | 1 |
| 27 | 1986 | 3–9 | 25.0% | #251 | 1,670 | 0 | 5 | 1974 | 76–37 | 67.3% | #25 | 1,945 | 0 | 3 |
| 28 | 1987 | 0–1 | 0.0% | #954 | 1,663 | 0 | 5 | 1975 | 65–31 | 67.7% | #26 | 1,889 | 0 | 4 |
| 29 | — | — | — | — | — | — | — | 1976 | 38–23 | 62.3% | #29 | 1,816 | 0 | 6 |
| 30 | — | — | — | — | — | — | — | 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 |