H2H data updated: 2026-09-13 00:00 UTC

Valerie Ziegenfuss vs Susan Minford H2H: 1-0

Valerie Ziegenfuss holds a 1–0 lead over Susan Minford in their WTA head-to-head. Across 1 main-draw meeting, Valerie Ziegenfuss leads 1–0 on grass. Most recently, Valerie Ziegenfuss won the 1970 Dublin round of 16 7-5 6-2.

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Valerie Ziegenfuss
USA Age 77
H2H
1 – 0
1 main-draw meetings
Susan Minford
IRL Age 72

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Valerie Ziegenfuss 7-5 6-2 Susan Minford Match data Jul 10, 1970* R16 Dublin 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
Valerie Ziegenfuss — — — 1,954 231 232 49.9% 0 0 0 0 3 3
Susan Minford — — — 1,669 48 61 44.0% 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.

Age Valerie Ziegenfuss Susan Minford
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 — — — — — — — 1969 0–1 0.0% — 1,495 0 0
16 — — — — — — — 1970 1–1 50.0% — 1,505 0 0
17 — — — — — — — 1971 18–15 54.5% — 1,591 0 0
18 — — — — — — — 1972 15–17 46.9% — 1,580 0 0
19 1968 35–24 59.3% — 1,605 0 0 1973 6–17 26.1% — 1,493 0 0
20 1969 28–24 53.8% — 1,733 0 1 1974 8–10 44.4% — 1,490 0 0
21 1970 40–28 58.8% — 1,779 0 2 — — — — — — —
22 1971 23–29 44.2% — 1,798 0 3 — — — — — — —
23 1972 26–24 52.0% — 1,820 0 3 — — — — — — —
24 1973 33–29 53.2% — 1,761 0 3 — — — — — — —
25 1974 12–14 46.2% — 1,788 0 3 — — — — — — —
26 1975 16–16 50.0% — 1,830 0 3 — — — — — — —
27 1976 12–20 37.5% — 1,746 0 3 — — — — — — —
28 1977 2–12 14.3% — 1,677 0 3 — — — — — — —
29 1978 3–11 21.4% — 1,654 0 3 — — — — — — —
30 1979 1–1 50.0% — 1,667 0 3 — — — — — — —

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 Valerie Ziegenfuss Susan Minford
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 %
15 — — — — — — — — — — — — — — — — — 1969 — — — — — — — — 0 1 1 0.0% — — — —
16 — — — — — — — — — — — — — — — — — 1970 — — — — — — — — 1 1 2 50.0% — — — —
17 — — — — — — — — — — — — — — — — — 1971 0 2 2 0.0% 10 4 14 71.4% 7 5 12 58.3% 1 4 5 20.0%
18 — — — — — — — — — — — — — — — — — 1972 5 5 10 50.0% 5 5 10 50.0% 5 7 12 41.7% — — — —
19 1968 5 4 9 55.6% 16 9 25 64.0% 13 9 22 59.1% 1 2 3 33.3% 1973 2 5 7 28.6% 1 8 9 11.1% 3 4 7 42.9% — — — —
20 1969 5 6 11 45.5% 12 8 20 60.0% 10 8 18 55.6% 1 2 3 33.3% 1974 — — — — 5 6 11 45.5% 2 2 4 50.0% — — — —
21 1970 12 7 19 63.2% 13 8 21 61.9% 12 8 20 60.0% 2 3 5 40.0% — — — — — — — — — — — — — — — — —
22 1971 4 6 10 40.0% 10 7 17 58.8% 6 6 12 50.0% 3 10 13 23.1% — — — — — — — — — — — — — — — — —
23 1972 6 4 10 60.0% 9 7 16 56.3% 4 4 8 50.0% 7 9 16 43.8% — — — — — — — — — — — — — — — — —
24 1973 5 6 11 45.5% 6 6 12 50.0% 8 4 12 66.7% 12 12 24 50.0% — — — — — — — — — — — — — — — — —
25 1974 3 4 7 42.9% 0 1 1 0.0% 0 1 1 0.0% 9 8 17 52.9% — — — — — — — — — — — — — — — — —
26 1975 8 6 14 57.1% 3 3 6 50.0% 1 1 2 50.0% 4 6 10 40.0% — — — — — — — — — — — — — — — — —
27 1976 3 3 6 50.0% 4 8 12 33.3% 4 4 8 50.0% 1 5 6 16.7% — — — — — — — — — — — — — — — — —
28 1977 0 1 1 0.0% 0 4 4 0.0% 0 1 1 0.0% 2 6 8 25.0% — — — — — — — — — — — — — — — — —
29 1978 0 4 4 0.0% 3 3 6 50.0% 0 2 2 0.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — —
30 1979 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 52 52 104 50.0% 76 64 140 54.3% 58 48 106 54.7% 42 65 107 39.3% — 7 12 19 36.8% 21 23 44 47.7% 18 20 38 47.4% 1 4 5 20.0%

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 Valerie Ziegenfuss Susan Minford
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
15 — — — — — — — — — — — — — — — — 1969 1495 99.2 — — — — — — — 0.0% -5.00 — — — -0.13
16 — — — — — — — — — — — — — — — — 1970 1505 107.0 — — — — — — — 50.0% +1.00 — — — +0.10
17 — — — — — — — — — — — — — — — — 1971 1591 129.5 — — — — -99 +62 +28 53.6% +0.78 2–3 (40%) 0–1 — +1.53
18 — — — — — — — — — — — — — — — — 1972 1581 123.3 — — — — -57 +85 +1 46.3% +0.13 2–1 (67%) 1–2 (33%) — +1.52
19 1968 1605 119.1 — — — — -45 +58 +13 57.4% +0.80 9–4 (69%) — — -0.64 1973 1494 111.7 — — — — -38 +65 +75 26.1% -1.70 0–4 (0%) 0–1 — -0.50
20 1969 1734 126.4 — — — — -175 -30 +9 51.4% +0.32 6–3 (67%) — — -2.24 1974 1490 100.4 — — — — — +28 +76 48.6% -0.26 0–1 — — +2.23
21 1970 1780 133.1 — — — — -34 -31 +26 55.6% +0.45 11–4 (73%) 0–1 — -2.50 — — — — — — — — — — — — — — — —
22 1971 1799 143.5 — — — — -114 +2 0 46.0% -0.35 5–8 (38%) 3–2 (60%) 99.7 -6.44 — — — — — — — — — — — — — — — —
23 1972 1821 139.7 — — — — -47 -20 -41 48.2% +0.09 9–3 (75%) 4–4 (50%) 105.3 -5.05 — — — — — — — — — — — — — — — —
24 1973 1761 143.5 — — — — -2 +54 +48 54.3% +0.18 7–9 (44%) 4–5 (44%) 95.0 -5.77 — — — — — — — — — — — — — — — —
25 1974 1789 134.2 — — — — +8 — — 46.6% -0.29 3–3 (50%) 0–3 (0%) 97.0 -2.64 — — — — — — — — — — — — — — — —
26 1975 1830 135.8 — — — — +53 -30 — 49.3% -0.35 6–5 (55%) 2–2 (50%) 99.8 -0.81 — — — — — — — — — — — — — — — —
27 1976 1746 126.6 — — — — +34 -51 +32 41.1% -0.78 3–6 (33%) 3–2 (60%) 97.3 -2.74 — — — — — — — — — — — — — — — —
28 1977 1678 124.2 — — — — +10 -22 — 16.7% -2.17 1–1 1–3 (25%) — -1.87 — — — — — — — — — — — — — — — —
29 1978 1654 130.9 — — — — -20 +22 — 29.4% -1.50 2–4 (33%) 3–1 (75%) 99.1 -2.61 — — — — — — — — — — — — — — — —
30 1979 1667 111.1 — — — — — — — 40.0% -0.20 1–0 0–1 — -0.15 — — — — — — — — — — — — — — — —
Career — 1954 139.2 — — — — -28 -1 +15 49.3% -0.01 63–50 (56%) 20–24 (45%) 101.1 -7.31 — 1670 121.4 — — — — -64 +59 +34 44.4% -0.14 4–9 (31%) 1–4 (20%) 92.2 +4.48

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.