H2H data updated: 2026-07-14 14:15 UTC
O. Parun vs William Alvarez H2H: 0-1
William Alvarez leads O. Parun 1–0 in 1 ATP main-draw meeting. William Alvarez's record is 1–0 on clay courts. Their latest meeting was at Barranquilla in 1970, where William Alvarez won 6-1 6-1.
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Career Comparison
| Metric | O. Parun | William Alvarez |
|---|---|---|
| Peak Ranking | #18 | — |
| Peak Points | 0 | — |
| Peak Elo | 1,990 | 1,500 |
| Singles W-L | 375–342 | — |
| Win % | 52.3% | — |
| Grand Slam titles | 0 | 0 |
| Masters 1000 titles | 0 | 0 |
| ATP Finals titles | 0 | 0 |
| ATP 500 titles | 0 | 0 |
| ATP 250 titles | 6 | 0 |
| Total titles | 6 | 0 |
| Age | O. Parun | William Alvarez | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | W-L | Win % | Rank | Elo | GS | Titles | Season | 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 | — | — | — | — | — | — | — |
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Mar 18, 1970* | Barranquilla | ATP 250 | R64 | Clay | William Alvarez | 6-1 6-1 | O. Parun | Match data |