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

Mareen Louie Harper vs Grace Kim H2H: 1-0

Mareen Louie Harper holds a 1–0 lead over Grace Kim in their WTA head-to-head. Across 1 main-draw meeting, Mareen Louie Harper leads 1–0 on hard courts. Most recently, Mareen Louie Harper won the 1987 San Diego round of 32 5-7 6-0 6-4.

H2H
1 0
1 main-draw meetings
USA Age 58

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mareen Louie Harper 5-7 6-0 6-4 Grace Kim Match data Aug 6, 1987* R32 San Diego WTA 500 Hard

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
Mareen Louie Harper 1,910 177 239 42.5% 0 0 0 0 2 2
Grace Kim 1,705 47 82 36.4% 0 0 0 0 1 1

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 Mareen Louie Harper Grace Kim
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
13 1974 2–1 66.7% 1,523 0 0
14 1982 7–3 70.0% 1,585 0 1
15 1976 1–2 33.3% 1,521 0 0 1983 2–4 33.3% 1,591 0 1
16 1977 0–2 0.0% 1,519 0 0 1984 6–10 37.5% 1,622 0 1
17 1978 7–12 36.8% 1,588 0 0 1985 17–25 40.5% 1,694 0 1
18 1979 4–13 23.5% 1,568 0 0 1986 10–22 31.2% 1,605 0 1
19 1980 22–23 48.9% 1,714 0 0 1987 5–13 27.8% 1,515 0 1
20 1981 16–20 44.4% 1,743 0 0 1988 0–5 0.0% 1,469 0 1
21 1982 9–18 33.3% 1,654 0 0
22 1983 7–10 41.2% 1,671 0 0
23 1984 18–17 51.4% 1,733 0 1
24 1985 29–18 61.7% 1,776 0 2
25 1986 12–17 41.4% 1,679 0 2
26 1987 9–16 36.0% 1,623 0 2
27 1988 12–17 41.4% 1,613 0 2
28 1989 6–14 30.0% 1,576 0 2
29 1990 10–15 40.0% 1,590 0 2
30 1991 12–16 42.9% 1,614 0 2
31 1992 1–7 12.5% 1,545 0 2
33 1994 0–1 0.0% 1,536 0 2

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 Mareen Louie Harper Grace Kim
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 %
13 1974 2 1 3 66.7%
14 1982 6 1 7 85.7% 0 1 1 0.0%
15 1976 0 1 1 0.0% 1 1 2 50.0% 1983 2 3 5 40.0% 0 1 1 0.0%
16 1977 0 1 1 0.0% 0 1 1 0.0% 1984 4 4 8 50.0% 0 2 2 0.0% 2 2 4 50.0% 0 2 2 0.0%
17 1978 4 5 9 44.4% 3 3 6 50.0% 0 4 4 0.0% 1985 11 12 23 47.8% 3 7 10 30.0% 0 4 4 0.0% 3 2 5 60.0%
18 1979 2 6 8 25.0% 0 1 1 0.0% 0 1 1 0.0% 2 5 7 28.6% 1986 4 6 10 40.0% 1 3 4 25.0% 0 2 2 0.0% 5 11 16 31.3%
19 1980 7 8 15 46.7% 3 2 5 60.0% 5 2 7 71.4% 7 11 18 38.9% 1987 1 7 8 12.5% 0 2 2 0.0% 1 2 3 33.3% 3 2 5 60.0%
20 1981 5 7 12 41.7% 1 1 2 50.0% 1 2 3 33.3% 9 10 19 47.4% 1988 0 2 2 0.0% 0 3 3 0.0%
21 1982 4 6 10 40.0% 2 1 3 66.7% 0 2 2 0.0% 3 9 12 25.0%
22 1983 5 5 10 50.0% 2 5 7 28.6%
23 1984 14 9 23 60.9% 0 1 1 0.0% 1 3 4 25.0% 3 4 7 42.9%
24 1985 18 9 27 66.7% 0 2 2 0.0% 2 2 4 50.0% 9 5 14 64.3%
25 1986 8 7 15 53.3% 1 2 3 33.3% 3 8 11 27.3%
26 1987 6 8 14 42.9% 0 2 2 0.0% 2 3 5 40.0% 1 3 4 25.0%
27 1988 8 11 19 42.1% 1 1 2 50.0% 0 2 2 0.0% 3 3 6 50.0%
28 1989 3 9 12 25.0% 2 3 5 40.0% 1 2 3 33.3%
29 1990 8 10 18 44.4% 0 2 2 0.0% 2 3 5 40.0%
30 1991 9 11 20 45.0% 1 2 3 33.3% 2 3 5 40.0%
31 1992 1 5 6 16.7% 0 2 2 0.0%
33 1994 0 1 1 0.0%
Career 104 118 222 46.8% 10 16 26 38.5% 16 27 43 37.2% 47 78 125 37.6% 28 35 63 44.4% 4 18 22 18.2% 3 10 13 23.1% 11 18 29 37.9%

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 Mareen Louie Harper Grace Kim
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
13 1974 1524 102.4 +72 57.1% +0.29 1–0 1–0 +0.56
14 1982 1586 114.0 +73 66.7% +1.10 3–0 (100%) 1–2 (33%) 103.8 +1.42
15 1976 1522 100.6 42.9% -0.57 0–1 +0.36 1983 1592 115.9 +65 30.8% -1.00 1–0 -0.06
16 1977 1520 116.3 0.0% -3.50 0–1 -0.35 1984 1622 113.8 +26 +18 36.6% -1.49 6–3 (67%) 1–2 (33%) 103.7 -0.48
17 1978 1589 122.4 +31 -31 34.1% -1.25 5–1 (83%) 2–1 (67%) 108.1 -0.33 1985 1694 125.2 +52 -205 -135 43.4% -0.79 6–9 (40%) 6–2 (75%) 101.5 -0.64
18 1979 1568 121.3 +25 30.0% -1.90 2–4 (33%) 2–1 (67%) +0.42 1986 1605 117.7 +47 -126 33.3% -1.54 2–3 (40%) 2–2 (50%) 99.0 +0.32
19 1980 1714 128.5 -41 -153 -36 46.2% -0.59 12–4 (75%) 2–6 (25%) 107.6 +1.57 1987 1515 97.7 +45 -17 32.6% -1.47 3–4 (43%) 1–1 +2.17
20 1981 1743 134.3 -2 -72 42.7% -0.51 7–5 (58%) 4–2 (67%) 105.0 -1.63 1988 1469 96.4 -61 0.0% -3.90 0–1 -0.26
21 1982 1655 124.8 -27 -46 35.5% -1.06 4–4 (50%) 1–2 (33%) 99.6 -1.27
22 1983 1671 132.0 -14 42.9% -0.43 2–1 (67%) 1–2 (33%) 100.4 -0.99
23 1984 1733 127.5 +24 -94 48.8% -0.05 7–3 (70%) 2–3 (40%) 105.0 +0.67
24 1985 1777 143.7 +52 -157 58.5% +0.41 8–4 (67%) 5–5 (50%) 101.8 -0.01
25 1986 1680 121.2 +20 -65 39.1% -0.55 5–3 (63%) 2–5 (29%) 97.5 +1.39
26 1987 1624 119.5 +6 -17 38.6% -0.67 3–4 (43%) 1–1 +0.33
27 1988 1614 129.1 +11 43.3% -0.43 4–5 (44%) 5–4 (56%) 100.4 -0.29
28 1989 1576 117.3 -17 -21 32.0% -1.38 6–4 (60%) 6–1 (86%) 107.4 -1.33
29 1990 1590 128.4 +10 45.8% -0.14 2–7 (22%) 1–3 (25%) 94.5 +0.31
30 1991 1615 127.2 -4 -50 39.4% -0.53 8–4 (67%) 4–4 (50%) 105.2 +0.46
31 1992 1545 105.4 -7 25.0% -1.81 0–2 1–0 -0.11
33 1994 1537 103.8 0.0% -2.50 0–1 -0.17
Career 1911 135.2 +7 -78 -59 42.4% -0.57 76–56 (58%) 40–42 (49%) 107.5 -0.10 1705 119.1 +49 -161 -47 38.2% -1.14 21–19 (53%) 11–10 (52%) 103.5 +1.93

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.