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

Billie Jean King vs Regina Marsikova H2H: 2-1

Billie Jean King holds a 2–1 lead over Regina Marsikova in their WTA head-to-head. Across 3 main-draw meetings, Billie Jean King leads 2–1 on carpet. Most recently, Billie Jean King won the 1980 Houston round of 32 5-7 7-6 6-4.

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Billie Jean King
USA Age 82 Right-Handed 164 cm / 5'5"
H2H
2 – 1
3 main-draw meetings
Regina Marsikova
CZE Age 67

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Billie Jean King 5-7 7-6 6-4 Regina Marsikova Match data Feb 28, 1980* R32 Houston WTA 250 Carpet
Billie Jean King 6-3 6-4 Regina Marsikova Match data Mar 16, 1978* R32 Boston WTA 250 Carpet
Regina Marsikova 1-6 6-3 6-3 Billie Jean King Match data Jan 2, 1978 R32 Washington Open WTA 250 Carpet

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
Billie Jean King #22 #2 — 2,437 684 160 81.0% 8 0 0 3 57 68
Regina Marsikova — — — 2,034 266 198 57.3% 0 0 0 2 13 15

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 Billie Jean King Regina Marsikova
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 — — — — — — — 1974 0–2 0.0% — 1,499 0 0
16 — — — — — — — 1975 5–5 50.0% — 1,581 0 0
17 — — — — — — — 1976 17–15 53.1% — 1,748 0 1
18 — — — — — — — 1977 37–17 68.5% — 1,909 0 8
19 — — — — — — — 1978 56–30 65.1% — 1,953 0 12
20 — — — — — — — 1979 38–24 61.3% — 1,937 0 12
21 — — — — — — — 1980 33–22 60.0% — 1,899 0 14
22 — — — — — — — 1981 34–16 68.0% — 1,996 0 15
24 1968 40–5 88.9% — 1,865 1 1 — — — — — — —
25 1969 58–14 80.6% — 2,056 1 6 — — — — — — —
26 1970 47–11 81.0% — 2,180 1 11 1985 12–16 42.9% — 1,763 0 15
27 1971 114–15 88.4% — 2,302 2 28 1986 15–19 44.1% — 1,719 0 15
28 1972 89–15 85.6% — 2,378 5 39 1987 14–19 42.4% — 1,672 0 15
29 1973 56–12 82.4% — 2,349 6 46 1988 4–7 36.4% — 1,605 0 15
30 1974 54–8 87.1% — 2,326 7 52 1989 1–6 14.3% — 1,540 0 15
31 1975 23–3 88.5% #4 2,391 8 54 — — — — — — —
32 1976 2–2 50.0% — 2,336 8 54 — — — — — — —
33 1977 46–6 88.5% #2 2,398 8 60 — — — — — — —
34 1978 28–12 70.0% #5 2,336 8 60 — — — — — — —
35 1979 36–13 73.5% #5 2,185 8 62 — — — — — — —
36 1980 39–15 72.2% #6 2,151 8 65 — — — — — — —
37 1981 4–5 44.4% — 2,043 8 65 — — — — — — —
38 1982 26–19 57.8% — 1,941 8 66 — — — — — — —
39 1983 22–5 81.5% — 2,057 8 68 — — — — — — —

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 Billie Jean King Regina Marsikova
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 — — — — — — — — — — — — — — — — — 1974 — — — — 0 1 1 0.0% 0 1 1 0.0% — — — —
16 — — — — — — — — — — — — — — — — — 1975 0 1 1 0.0% 3 2 5 60.0% — — — — 2 2 4 50.0%
17 — — — — — — — — — — — — — — — — — 1976 — — — — 15 7 22 68.2% 1 2 3 33.3% 1 6 7 14.3%
18 — — — — — — — — — — — — — — — — — 1977 0 1 1 0.0% 25 5 30 83.3% 9 6 15 60.0% 2 5 7 28.6%
19 — — — — — — — — — — — — — — — — — 1978 17 10 27 63.0% 21 4 25 84.0% 13 4 17 76.5% 5 11 16 31.3%
20 — — — — — — — — — — — — — — — — — 1979 12 7 19 63.2% 17 7 24 70.8% 6 4 10 60.0% 3 6 9 33.3%
21 — — — — — — — — — — — — — — — — — 1980 15 7 22 68.2% 10 4 14 71.4% 0 2 2 0.0% 8 9 17 47.1%
22 — — — — — — — — — — — — — — — — — 1981 8 4 12 66.7% 25 9 34 73.5% 0 1 1 0.0% 1 2 3 33.3%
24 1968 4 1 5 80.0% 4 1 5 80.0% 26 2 28 92.9% 6 1 7 85.7% — — — — — — — — — — — — — — — — —
25 1969 17 1 18 94.4% 9 5 14 64.3% 26 7 33 78.8% 6 1 7 85.7% — — — — — — — — — — — — — — — — —
26 1970 13 2 15 86.7% 18 5 23 78.3% 8 1 9 88.9% 8 3 11 72.7% 1985 4 6 10 40.0% 8 6 14 57.1% 0 3 3 0.0% 0 1 1 0.0%
27 1971 16 3 19 84.2% 29 5 34 85.3% 28 5 33 84.8% 41 2 43 95.3% 1986 7 8 15 46.7% 7 8 15 46.7% 0 1 1 0.0% 1 2 3 33.3%
28 1972 20 3 23 87.0% 32 6 38 84.2% 22 1 23 95.7% 15 5 20 75.0% 1987 2 3 5 40.0% 8 10 18 44.4% 3 4 7 42.9% 1 2 3 33.3%
29 1973 14 3 17 82.4% 8 3 11 72.7% 12 1 13 92.3% 22 5 27 81.5% 1988 0 1 1 0.0% 4 6 10 40.0% — — — — — — — —
30 1974 12 3 15 80.0% 4 1 5 80.0% 9 1 10 90.0% 29 3 32 90.6% 1989 0 1 1 0.0% 1 5 6 16.7% — — — — — — — —
31 1975 7 2 9 77.8% — — — — 11 1 12 91.7% 5 0 5 100.0% — — — — — — — — — — — — — — — — —
32 1976 2 2 4 50.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
33 1977 20 0 20 100.0% 8 3 11 72.7% 6 2 8 75.0% 12 1 13 92.3% — — — — — — — — — — — — — — — — —
34 1978 4 2 6 66.7% — — — — 8 2 10 80.0% 16 8 24 66.7% — — — — — — — — — — — — — — — — —
35 1979 17 3 20 85.0% — — — — 12 5 17 70.6% 7 5 12 58.3% — — — — — — — — — — — — — — — — —
36 1980 5 1 6 83.3% 3 2 5 60.0% 3 1 4 75.0% 28 11 39 71.8% — — — — — — — — — — — — — — — — —
37 1981 — — — — 0 1 1 0.0% 0 1 1 0.0% 4 3 7 57.1% — — — — — — — — — — — — — — — — —
38 1982 0 2 2 0.0% 4 4 8 50.0% 13 4 17 76.5% 9 9 18 50.0% — — — — — — — — — — — — — — — — —
39 1983 — — — — 1 1 2 50.0% 16 2 18 88.9% 5 2 7 71.4% — — — — — — — — — — — — — — — — —
Career — 151 28 179 84.4% 120 37 157 76.4% 200 36 236 84.7% 213 59 272 78.3% — 65 49 114 57.0% 144 74 218 66.1% 32 28 60 53.3% 24 46 70 34.3%

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 Billie Jean King Regina Marsikova
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 — — — — — — — — — — — — — — — — 1974 1500 116.5 — — — — — — — 0.0% -3.50 — — — -0.30
16 — — — — — — — — — — — — — — — — 1975 1582 125.6 — — — — +75 +3 — 50.0% +0.04 3–3 (50%) 2–0 — +0.09
17 — — — — — — — — — — — — — — — — 1976 1748 142.4 — — — — -178 +62 -176 51.3% +0.34 7–7 (50%) 1–8 (11%) 97.4 -1.38
18 — — — — — — — — — — — — — — — — 1977 1909 143.6 — — — — -347 +113 -243 62.5% +0.85 14–6 (70%) 5–4 (56%) 108.8 +1.24
19 — — — — — — — — — — — — — — — — 1978 1953 157.8 — — — — -98 +117 -133 64.0% +0.95 12–9 (57%) 8–6 (57%) 108.5 -6.24
20 — — — — — — — — — — — — — — — — 1979 1937 147.6 — — — — -80 +154 -90 60.4% +0.53 11–8 (58%) 12–8 (60%) 103.7 -2.91
21 — — — — — — — — — — — — — — — — 1980 1899 147.5 — — — — -23 +194 — 56.1% +0.38 8–6 (57%) 6–4 (60%) 100.5 -6.21
22 — — — — — — — — — — — — — — — — 1981 1997 159.3 — — — — -116 +182 — 63.3% +0.90 10–3 (77%) 2–2 (50%) 103.0 -6.03
24 1968 1865 141.1 — — — — -83 -273 +141 87.2% +2.72 6–2 (75%) — — +1.76 — — — — — — — — — — — — — — — —
25 1969 2056 154.1 — — — — +176 -365 +42 75.5% +2.11 12–5 (71%) — — -3.94 — — — — — — — — — — — — — — — —
26 1970 2181 166.1 — — — — +139 -229 +41 75.0% +2.11 11–5 (69%) 0–1 — -9.32 1985 1764 131.5 — — — — +4 +295 -77 49.2% -0.07 0–5 (0%) 6–2 (75%) 94.5 -2.30
27 1971 2303 170.6 — — — — +240 -117 +9 84.6% +2.55 20–4 (83%) 16–4 (80%) 116.1 -6.69 1986 1720 126.9 — — — — +1 +191 — 41.8% -0.58 8–3 (73%) 3–2 (60%) 103.4 -2.11
28 1972 2378 173.1 — — — — +144 -67 +84 82.1% +2.37 13–3 (81%) 8–7 (53%) 102.1 -8.73 1987 1672 129.0 — — — — +36 +92 -19 46.1% -0.37 5–7 (42%) 4–5 (44%) 95.0 -2.58
29 1973 2349 168.6 — — — — +152 -82 +159 82.7% +2.42 8–5 (62%) 9–5 (64%) 100.8 -4.79 1988 1606 99.5 — — — — — +87 — 33.3% -2.00 2–0 1–0 — +0.61
30 1974 2327 171.4 — — — — +153 -73 +194 81.8% +2.54 10–2 (83%) 3–2 (60%) 104.2 -3.91 1989 1541 97.0 — — — — — +71 — 14.3% -2.21 — 0–1 — +0.28
31 1975 2391 169.1 — — — — +33 — +109 85.7% +2.70 2–2 (50%) 2–0 — -2.95 — — — — — — — — — — — — — — — —
32 1976 2337 113.7 — — — — +67 — — 50.0% -0.13 — 1–0 — -0.15 — — — — — — — — — — — — — — — —
33 1977 2398 164.8 — — — — +140 -140 +131 76.9% +1.69 16–1 (94%) 5–0 (100%) 111.3 -3.92 — — — — — — — — — — — — — — — —
34 1978 2337 167.5 — — — — +44 — +160 73.7% +1.86 2–6 (25%) 3–1 (75%) 92.9 -4.22 — — — — — — — — — — — — — — — —
35 1979 2185 156.7 — — — — +75 — +139 71.4% +1.51 8–8 (50%) 9–4 (69%) 94.9 -3.21 — — — — — — — — — — — — — — — —
36 1980 2152 165.5 — — — — +100 +122 +192 69.4% +1.09 9–6 (60%) 11–4 (73%) 100.7 -3.21 — — — — — — — — — — — — — — — —
37 1981 2044 121.4 — — — — +105 — — 44.4% -0.67 — — — -0.51 — — — — — — — — — — — — — — — —
38 1982 1941 150.4 — — — — -6 +196 +304 56.2% +0.42 12–7 (63%) 7–5 (58%) 98.0 -2.64 — — — — — — — — — — — — — — — —
39 1983 2057 155.9 — — — — -43 — +231 79.3% +1.93 2–2 (50%) 0–2 — -1.11 — — — — — — — — — — — — — — — —
Career — 2437 170.4 — — — — +124 -123 +121 77.5% +2.03 131–58 (69%) 74–35 (68%) 111.2 -6.96 — 2034 150.4 — — — — -68 +139 -140 55.7% +0.35 80–57 (58%) 50–42 (54%) 107.3 -6.12

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.