H2H data updated: 2026-09-12 00:00 UTC

Helen Kayser vs S Oconor H2H: 1-0

Helen Kayser holds a 1–0 lead over S Oconor in their WTA head-to-head. Across 1 main-draw meeting, Helen Kayser leads 1–0 on grass. Most recently, Helen Kayser won the 1970 Hobart International round of 32 6-4 6-2.

H2H
1 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Helen Kayser 6-4 6-2 S Oconor Match data Jan 8, 1970* R32 Hobart International WTA 250 Grass

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
Helen Kayser 1,500 8 18 30.8% 0 0 0 0 0 0
S Oconor 1,500 0 1 0.0% 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.

Helen Kayser S Oconor
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 0–1 0.0% 1,484 0 0 1970 0–1 0.0% 1,482 0 0
1969 0–1 0.0% 1,473 0 0
1970 5–11 31.2% 1,446 0 0
1971 1–1 50.0% 1,464 0 0
1972 2–2 50.0% 1,482 0 0
1974 0–2 0.0% 1,467 0 0

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Helen Kayser S Oconor
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
1968 1485 96.5 0.0% -3.50 +0.06 1970 1483 96.8 0.0% -3.00 +0.19
1969 1473 96.5 0.0% -4.00 +0.13
1970 1447 98.9 +26 +43 29.4% -1.09 2–2 (50%) +1.33
1971 1464 103.3 0.0% -5.00 +0.23
1972 1483 109.5 +58 44.4% 0.00 1–0 +0.01
1974 1467 108.7 0.0% -3.25 -0.18
Career 1500 103.9 +26 +47 26.4% -1.42 3–2 (60%) +6.08 Career 1500 98.3 0.0% -3.00 +19.00

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.