H2H data updated: 2026-09-14 00:00 UTC

Valerie Ziegenfuss vs Marina Kroschina H2H: 0-1

Marina Kroschina holds a 1–0 lead over Valerie Ziegenfuss in their WTA head-to-head. They have met 1 times in main draws. Most recently, Marina Kroschina won the 1970 Moscow Intl round of 32 6-3 6-4.

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Valerie Ziegenfuss
USA Age 77
H2H
0 – 1
1 main-draw meetings
Marina Kroschina
URS Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Marina Kroschina 6-3 6-4 Valerie Ziegenfuss Match data Aug 20, 1970* R32 Moscow Intl WTA 250 —

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
Marina Kroschina — — — 1,911 68 50 57.6% 0 0 0 0 10 10

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 Marina Kroschina
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 1969 0–1 0.0% — 1,486 0 0
17 — — — — — — — 1970 1–6 14.3% — 1,467 0 0
18 — — — — — — — 1971 4–6 40.0% — 1,478 0 0
19 1968 35–24 59.3% — 1,605 0 0 1972 15–10 60.0% — 1,642 0 1
20 1969 28–24 53.8% — 1,733 0 1 1973 17–10 63.0% — 1,796 0 3
21 1970 40–28 58.8% — 1,779 0 2 1974 10–4 71.4% — 1,821 0 7
22 1971 23–29 44.2% — 1,798 0 3 1975 18–9 66.7% — 1,907 0 8
23 1972 26–24 52.0% — 1,820 0 3 1976 1–4 20.0% — 1,882 0 8
24 1973 33–29 53.2% — 1,761 0 3 1977 1–0 100.0% — 1,900 0 9
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 1981 1–0 100.0% — 1,903 0 10
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 Marina Kroschina
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 — — — — — — — — — — — — — — — — — 1969 — — — — 0 1 1 0.0% — — — — — — — —
17 — — — — — — — — — — — — — — — — — 1970 — — — — — — — — 0 3 3 0.0% 0 1 1 0.0%
18 — — — — — — — — — — — — — — — — — 1971 — — — — 1 2 3 33.3% 1 3 4 25.0% 2 1 3 66.7%
19 1968 5 4 9 55.6% 16 9 25 64.0% 13 9 22 59.1% 1 2 3 33.3% 1972 — — — — 4 1 5 80.0% 5 5 10 50.0% 4 3 7 57.1%
20 1969 5 6 11 45.5% 12 8 20 60.0% 10 8 18 55.6% 1 2 3 33.3% 1973 — — — — 2 1 3 66.7% 5 4 9 55.6% 8 5 13 61.5%
21 1970 12 7 19 63.2% 13 8 21 61.9% 12 8 20 60.0% 2 3 5 40.0% 1974 — — — — — — — — 4 3 7 57.1% 3 1 4 75.0%
22 1971 4 6 10 40.0% 10 7 17 58.8% 6 6 12 50.0% 3 10 13 23.1% 1975 3 1 4 75.0% 8 4 12 66.7% — — — — 2 3 5 40.0%
23 1972 6 4 10 60.0% 9 7 16 56.3% 4 4 8 50.0% 7 9 16 43.8% 1976 0 1 1 0.0% — — — — — — — — 1 3 4 25.0%
24 1973 5 6 11 45.5% 6 6 12 50.0% 8 4 12 66.7% 12 12 24 50.0% 1977 — — — — 1 0 1 100.0% — — — — — — — —
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% — 3 2 5 60.0% 16 9 25 64.0% 15 18 33 45.5% 20 17 37 54.1%

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 Marina Kroschina
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 — — — — — — — — — — — — — — — — 1969 1486 99.7 — — — — — — — 33.3% -1.00 0–1 — — +0.08
17 — — — — — — — — — — — — — — — — 1970 1467 112.2 — — — — — — +53 14.3% -2.21 — — — -0.48
18 — — — — — — — — — — — — — — — — 1971 1478 107.3 — — — — +101 +7 +22 47.8% -0.35 0–3 (0%) — — +0.85
19 1968 1605 119.1 — — — — -45 +58 +13 57.4% +0.80 9–4 (69%) — — -0.64 1972 1643 121.6 — — — — -43 -54 -84 53.3% +0.23 8–4 (67%) 3–0 (100%) — +2.84
20 1969 1734 126.4 — — — — -175 -30 +9 51.4% +0.32 6–3 (67%) — — -2.24 1973 1797 134.0 — — — — -42 -161 -166 57.6% +0.41 5–4 (56%) 1–1 — +0.49
21 1970 1780 133.1 — — — — -34 -31 +26 55.6% +0.45 11–4 (73%) 0–1 — -2.50 1974 1821 123.1 — — — — -26 — -154 65.5% +0.93 2–1 (67%) — — -0.22
22 1971 1799 143.5 — — — — -114 +2 0 46.0% -0.35 5–8 (38%) 3–2 (60%) 99.7 -6.44 1975 1908 148.1 — — — — -21 -170 — 61.3% +0.76 6–2 (75%) 6–3 (67%) 104.3 -1.10
23 1972 1821 139.7 — — — — -47 -20 -41 48.2% +0.09 9–3 (75%) 4–4 (50%) 105.3 -5.05 1976 1883 115.1 — — — — -27 — — 33.3% -1.89 0–1 — — -0.78
24 1973 1761 143.5 — — — — -2 +54 +48 54.3% +0.18 7–9 (44%) 4–5 (44%) 95.0 -5.77 1977 1901 110.4 — — — — — — — 66.7% +1.00 1–0 — — -0.12
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 1981 1904 100.0 — — — — — — — 66.7% 0.00 1–0 — — +0.09
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 — 1912 136.8 — — — — -24 -121 -96 54.3% +0.21 23–16 (59%) 10–4 (71%) 109.7 +1.41

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.