H2H data updated: 2026-07-20 02:15 UTC
Onny Parun vs Cliff Letcher H2H: 1-0
Onny Parun holds a 1–0 lead over Cliff Letcher in their ATP head-to-head. Across 1 main-draw meeting, Onny Parun leads 1–0 on grass. Most recently, Onny Parun won the 1972 Adelaide (2) fourth round 6-3 6-4.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Dec 15, 1972* | Adelaide (2) | ATP 250 | R16 | Grass | Onny Parun | 6-3 6-4 | Cliff Letcher | 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 |
| Cliff Letcher | — | — | — | 1,665 | — | — | — | 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 | Cliff Letcher | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 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 | — | — | — | — | — | — | — |
| 25 | 1972 | 39–36 | 52.0% | — | 1,703 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 1973 | 49–43 | 53.3% | #40 | 1,731 | 0 | 1 | — | — | — | — | — | — | — |
| 27 | 1974 | 76–37 | 67.3% | #25 | 1,945 | 0 | 3 | — | — | — | — | — | — | — |
| 28 | 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 | — | — | — | — | — | — | — |