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

Ilse Buding vs Stephanie Defina H2H: 0-1

Stephanie Defina holds a 1–0 lead over Ilse Buding in their WTA head-to-head. Across 1 main-draw meeting, Stephanie Defina leads 1–0 on clay. Most recently, Stephanie Defina won the 1970 Jacksonville quarterfinal 6-2 6-3.

H2H
0 1
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Stephanie Defina 6-2 6-3 Ilse Buding Match data Mar 28, 1970* QF Jacksonville WTA 250 Clay

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
Ilse Buding 1,516 7 16 30.4% 0 0 0 0 0 0
Stephanie Defina 1,818 93 62 60.0% 0 0 0 0 7 7

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 Ilse Buding Stephanie Defina
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
22 1968 33–22 60.0% 1,678 0 1
23 1969 25–9 73.5% 1,760 0 5
24 1970 33–17 66.0% 1,788 0 7
25 1971 1–9 10.0% 1,706 0 7
26 1972 1–2 33.3% 1,713 0 7
27 1973 0–2 0.0% 1,685 0 7
28 1968 3–3 50.0% 1,488 0 0 1974 0–1 0.0% 1,674 0 7
29 1969 0–1 0.0% 1,471 0 0
30 1970 4–12 25.0% 1,436 0 0

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 Ilse Buding Stephanie Defina
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
22 1968 1678 117.2 -196 +95 -126 56.8% +0.45 13–9 (59%) -1.36
23 1969 1761 138.3 -91 +61 71.6% +1.86 3–3 (50%) +0.05
24 1970 1789 133.4 -88 +98 -231 62.9% +1.05 7–4 (64%) 1–0 +0.80
25 1971 1707 111.7 -58 10.0% -2.90 -0.83
26 1972 1714 107.0 33.3% -1.83 1–0 -0.95
27 1973 1686 100.5 0.0% -3.50 -0.40
28 1968 1488 92.1 -4 40.0% -1.20 +0.09 1974 1675 102.4 0.0% -1.50 0–1 -0.06
29 1969 1471 97.0 33.3% -2.33 0–1 +0.21
30 1970 1437 95.2 +5 25.7% -1.89 2–1 (67%) +1.05
Career 1516 93.4 +2 29.2% -1.77 2–2 (50%) +6.14 1819 129.6 -120 +87 -145 57.7% +0.65 23–16 (59%) 2–1 (67%) 104.5 -1.80

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.