H2H data updated: 2026-07-19 14:15 UTC

Billie Jean King vs Mareen Louie Harper H2H: 4-0

Billie Jean King holds a 4–0 lead over Mareen Louie Harper in their WTA head-to-head. Across 4 main-draw meetings, Billie Jean King leads 2–0 on carpet and 1–0 on grass. Most recently, Billie Jean King won the 1980 Minneapolis third round 7-6 6-3.

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Billie Jean King
Age 82 Right-Handed 164 cm / 5'5"
H2H
4 – 0
4 main draw meetings
Mareen Louie Harper
Age 65

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Oct 2, 1980* Minneapolis WTA 250 R32 Carpet Billie Jean King 7-6 6-3 Mareen Louie Harper Match data
Jun 29, 1980* Wimbledon Grand Slam R32 Grass Billie Jean King 6-2 6-2 Mareen Louie Harper Match data
Sep 14, 1979* Tokyo Sillook WTA 250 R16 Hard Billie Jean King 6-2 6-4 Mareen Louie Harper Match data
Apr 14, 1977* Port Washington WTA 250 R32 Carpet Billie Jean King 6-1 6-2 Mareen Louie Harper Match data

* Estimated match date where the exact historical date is unavailable.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 Finals 500 250 Titles
Billie Jean King #22 #13 — 2,402 684 160 81.0% 9 1 0 3 59 72
Mareen Louie Harper — — — 1,911 177 239 42.5% 0 0 0 0 2 2

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 Mareen Louie Harper
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
13 — — — — — — — 1974 2–1 66.7% — 1,523 0 0
15 — — — — — — — 1976 1–2 33.3% — 1,521 0 0
16 — — — — — — — 1977 0–2 0.0% — 1,519 0 0
17 — — — — — — — 1978 7–12 36.8% — 1,588 0 0
18 — — — — — — — 1979 4–13 23.5% — 1,567 0 0
19 — — — — — — — 1980 22–23 48.9% — 1,715 0 0
20 — — — — — — — 1981 16–20 44.4% — 1,743 0 0
21 — — — — — — — 1982 9–18 33.3% — 1,654 0 0
22 — — — — — — — 1983 7–10 41.2% — 1,670 0 0
23 — — — — — — — 1984 18–17 51.4% — 1,733 0 1
24 1968 40–5 88.9% — 1,823 2 6 1985 29–18 61.7% — 1,777 0 2
25 1969 58–14 80.6% — 2,043 2 11 1986 12–17 41.4% — 1,680 0 2
26 1970 47–11 81.0% — 2,172 2 16 1987 9–16 36.0% — 1,625 0 2
27 1971 114–15 88.4% — 2,293 3 33 1988 12–17 41.4% — 1,614 0 2
28 1972 89–15 85.6% — 2,341 6 43 1989 6–14 30.0% — 1,577 0 2
29 1973 56–12 82.4% — 2,294 7 50 1990 10–15 40.0% — 1,591 0 2
30 1974 54–8 87.1% — 2,300 8 56 1991 12–16 42.9% — 1,615 0 2
31 1975 23–3 88.5% — 2,370 9 58 1992 1–7 12.5% — 1,546 0 2
32 1976 2–2 50.0% — 2,316 9 58 — — — — — — —
33 1977 46–6 88.5% — 2,386 9 64 1994 0–1 0.0% — 1,537 0 2
34 1978 28–12 70.0% — 2,301 9 64 — — — — — — —
35 1979 36–13 73.5% — 2,164 9 66 — — — — — — —
36 1980 39–15 72.2% — 2,122 9 69 — — — — — — —
37 1981 4–5 44.4% — 2,019 9 69 — — — — — — —
38 1982 26–19 57.8% — 1,932 9 70 — — — — — — —
39 1983 22–5 81.5% — 2,052 9 72 — — — — — — —