H2H data updated: 2026-09-09 00:00 UTC

Chris Oneil vs Diane Desfor H2H: 0-1

Diane Desfor holds a 1–0 lead over Chris Oneil in their WTA head-to-head. Across 1 main-draw meeting, Diane Desfor leads 1–0 on hard courts. Most recently, Diane Desfor won the 1979 Canadian Open quarterfinal 4-6 6-0 6-3.

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Chris Oneil
AUS Age 70 Right-Handed
H2H
0 – 1
1 main-draw meetings
Diane Desfor
USA Age 71 Right-Handed 165 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Diane Desfor 4-6 6-0 6-3 Chris Oneil Match data Aug 18, 1979* QF Canadian Open WTA 250 Hard

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Chris Oneil — — — 1,766 99 108 47.8% 1 0 0 2 6 9
Diane Desfor — — — 1,775 69 89 43.7% 0 0 0 0 2 2

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 Chris Oneil Diane Desfor
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1972 6–3 66.7% — 1,547 0 2 — — — — — — —
17 1973 0–3 0.0% — 1,502 0 2 — — — — — — —
18 1974 10–12 45.5% — 1,588 0 2 — — — — — — —
19 1975 30–17 63.8% — 1,661 0 4 1974 1–2 33.3% — 1,482 0 0
20 1976 14–6 70.0% — 1,691 0 7 1975 5–3 62.5% — 1,524 0 0
21 1977 2–5 28.6% — 1,638 0 7 1976 4–1 80.0% — 1,580 0 1
22 1978 13–12 52.0% — 1,716 1 8 1977 1–1 50.0% — 1,567 0 1
23 1979 7–12 36.8% — 1,630 1 8 1978 14–17 45.2% — 1,641 0 1
24 1980 5–8 38.5% — 1,575 1 8 1979 15–22 40.5% — 1,688 0 1
25 1981 4–9 30.8% — 1,552 1 9 1980 18–21 46.2% — 1,648 0 1
26 1982 3–6 33.3% — 1,595 1 9 1981 8–17 32.0% — 1,613 0 1
27 1983 5–15 25.0% — 1,526 1 9 1982 3–5 37.5% — 1,586 0 2

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Chris Oneil Diane Desfor
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
16 1972 — — — — 3 0 3 100.0% 3 3 6 50.0% — — — — — — — — — — — — — — — — — — — — —
17 1973 — — — — — — — — 0 3 3 0.0% — — — — — — — — — — — — — — — — — — — — —
18 1974 — — — — 4 4 8 50.0% 6 8 14 42.9% — — — — — — — — — — — — — — — — — — — — —
19 1975 — — — — 18 5 23 78.3% 10 8 18 55.6% — — — — 1974 — — — — 1 1 2 50.0% 0 1 1 0.0% — — — —
20 1976 — — — — 3 3 6 50.0% 4 2 6 66.7% — — — — 1975 — — — — — — — — 2 1 3 66.7% — — — —
21 1977 — — — — 0 2 2 0.0% 2 3 5 40.0% — — — — 1976 — — — — 0 1 1 0.0% — — — — — — — —
22 1978 0 2 2 0.0% 1 3 4 25.0% 10 4 14 71.4% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
23 1979 2 2 4 50.0% 1 4 5 20.0% 2 5 7 28.6% — — — — 1978 7 6 13 53.8% 2 5 7 28.6% 2 4 6 33.3% 3 2 5 60.0%
24 1980 0 1 1 0.0% 2 4 6 33.3% 3 2 5 60.0% 0 1 1 0.0% 1979 5 6 11 45.5% 1 3 4 25.0% 6 7 13 46.2% 3 6 9 33.3%
25 1981 — — — — 0 5 5 0.0% 2 4 6 33.3% — — — — 1980 4 9 13 30.8% 1 2 3 33.3% 12 7 19 63.2% 1 3 4 25.0%
26 1982 — — — — 1 3 4 25.0% 2 2 4 50.0% 0 1 1 0.0% 1981 1 4 5 20.0% 0 3 3 0.0% 7 7 14 50.0% 0 3 3 0.0%
27 1983 2 6 8 25.0% 0 4 4 0.0% 2 4 6 33.3% — — — — 1982 2 2 4 50.0% 0 1 1 0.0% 0 2 2 0.0% — — — —
Career — 4 11 15 26.7% 33 37 70 47.1% 46 48 94 48.9% 0 3 3 0.0% — 19 27 46 41.3% 5 16 21 23.8% 29 29 58 50.0% 7 14 21 33.3%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Chris Oneil Diane Desfor
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
16 1972 1548 107.2 — — — — — +39 +1 57.9% +0.53 2–1 (67%) 3–0 (100%) 104.5 +1.29 — — — — — — — — — — — — — — — —
17 1973 1503 96.5 — — — — — — -14 14.3% -2.00 0–1 0–2 — +0.32 — — — — — — — — — — — — — — — —
18 1974 1589 130.7 — — — — — +28 -30 49.0% -0.18 2–5 (29%) 1–1 — -0.21 — — — — — — — — — — — — — — — —
19 1975 1661 134.9 — — — — — +126 -23 61.8% +0.86 5–3 (63%) 7–1 (88%) 106.5 +3.59 1974 1483 94.1 — — — — — — — 28.6% -1.57 1–0 0–1 — +0.64
20 1976 1691 124.2 — — — — — +57 -6 68.2% +1.39 2–2 (50%) 2–1 (67%) 100.3 +2.35 1975 1525 105.5 — — — — — — +34 55.0% +0.05 3–1 (75%) 2–0 — +0.97
21 1977 1638 111.9 — — — — — — +4 35.3% -0.53 1–2 (33%) 1–0 — +0.42 1976 1580 118.1 — — — — — — — 72.7% +1.91 1–0 1–0 — -0.10
22 1978 1716 126.6 — — — — -151 -47 +65 49.1% 0.00 4–3 (57%) 1–1 — +1.21 1977 1568 99.4 — — — — — — — 60.0% +1.00 0–1 — — +0.33
23 1979 1631 118.0 — — — — -44 -33 +83 43.2% -0.55 3–5 (38%) 1–0 — +1.29 1978 1641 122.6 — — — — +30 -131 -97 44.6% -0.07 7–7 (50%) 3–6 (33%) 98.7 +0.61
24 1980 1576 99.2 — — — — — -18 +119 37.9% -0.79 2–1 (67%) 0–3 (0%) 98.2 +0.16 1979 1689 129.6 — — — — -37 -166 -73 40.2% -0.57 5–5 (50%) 2–6 (25%) 98.8 +0.12
25 1981 1552 111.1 — — — — — -52 +127 39.3% -1.11 1–3 (25%) 2–1 (67%) — +0.74 1980 1649 126.4 — — — — -120 -124 +77 46.7% -0.22 6–8 (43%) 5–3 (63%) 101.5 -1.43
26 1982 1596 132.3 — — — — — -112 +127 38.1% -0.76 1–2 (33%) 1–2 (33%) 100.0 -1.11 1981 1614 112.5 — — — — -87 -99 +82 33.3% -1.11 2–4 (33%) — — -1.06
27 1983 1527 99.9 — — — — -38 -41 +147 27.3% -1.34 2–2 (50%) 0–5 (0%) 95.9 +0.78 1982 1586 105.7 — — — — -77 — — 42.1% +0.32 1–2 (33%) 0–2 — +0.83
Career — 1766 128.0 — — — — -62 +33 +36 48.6% -0.06 25–30 (45%) 19–17 (53%) 100.0 +5.26 — 1775 125.0 — — — — -48 -132 +21 43.6% -0.30 26–28 (48%) 13–18 (42%) 98.7 +0.59

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.