H2H data updated: 2026-07-14 02:15 UTC

O. Parun vs D. Ralston H2H: 0-1

Compare the head-to-head record, career totals, season-by-season performance, and match log for O. Parun vs D. Ralston.

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O. Parun
NZL Age 79 Right-Handed 188 cm / 6'2"
H2H
0 – 1
1 main draw meetings
D. Ralston
USA Right-Handed 188 cm / 6'2"

Career Comparison

MetricO. ParunD. Ralston
Peak Ranking #18 #115
Peak Points 0 0
Peak Elo 1,990 1,954
Singles W-L 375–342 157–136
Win % 52.3% 53.6%
Grand Slam titles 0 0
Masters 1000 titles 0 0
ATP Finals titles 0 0
ATP 500 titles 0 0
ATP 250 titles 6 6
Total titles 6 6
Age O. Parun D. Ralston
SeasonW-LWin %RankEloGSTitles SeasonW-LWin %RankEloGSTitles
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 1968 48–25 65.8% — 1,683 0 5
26 1973 49–43 53.3% #40 1,731 0 1 1969 28–24 53.8% — 1,790 0 5
27 1974 76–37 67.3% #25 1,945 0 3 1970 41–28 59.4% — 1,893 0 6
28 1975 65–31 67.7% #26 1,889 0 4 1971 27–21 56.2% — 1,861 0 6
29 1976 38–23 62.3% #29 1,816 0 6 1972 2–8 20.0% — 1,736 0 6
30 1977 13–27 32.5% #149 1,624 0 6 1973 1–6 14.3% #219 1,666 0 6
31 1978 1–14 6.7% #210 1,499 0 6 1974 3–5 37.5% #147 1,680 0 6
32 1979 3–15 16.7% #214 1,426 0 6 1975 2–5 28.6% #187 1,631 0 6
33 1980 15–19 44.1% #96 1,595 0 6 1976 1–9 10.0% #248 1,545 0 6
34 1981 5–13 27.8% #99 1,535 0 6 1977 1–2 33.3% #294 1,563 0 6
35 1982 0–1 0.0% #200 1,522 0 6 1978 0–1 0.0% #287 1,557 0 6
37 — — — — — — — 1980 3–2 60.0% — 1,601 0 6

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jul 20, 1971* Washington Wct ATP 250 R32 Clay D. Ralston 7-6 6-2 O. Parun Match data