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

Kristien Shaw vs Mareen Louie Harper H2H: 0-1

Mareen Louie Harper holds a 1–0 lead over Kristien Shaw 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 1978 Los Angeles round of 32 0-6 6-4 6-4.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Kristien Shaw
USA Age 74
H2H
0 – 1
1 main-draw meetings
Mareen Louie Harper
USA Age 66

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mareen Louie Harper 0-6 6-4 6-4 Kristien Shaw Match data Jan 26, 1978* R32 Los Angeles 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
Kristien Shaw — — — 1,924 119 141 45.8% 0 0 0 0 1 1
Mareen Louie Harper — — — 1,910 177 239 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 Kristien Shaw Mareen Louie Harper
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
13 — — — — — — — 1974 2–1 66.7% — 1,523 0 0
15 1968 0–2 0.0% — 1,484 0 0 1976 1–2 33.3% — 1,521 0 0
16 1969 5–8 38.5% — 1,514 0 0 1977 0–2 0.0% — 1,519 0 0
17 1970 12–10 54.5% — 1,592 0 1 1978 7–12 36.8% — 1,588 0 0
18 1971 23–25 47.9% — 1,715 0 1 1979 4–13 23.5% — 1,568 0 0
19 1972 2–13 13.3% — 1,623 0 1 1980 22–23 48.9% — 1,714 0 0
20 1973 29–24 54.7% — 1,906 0 1 1981 16–20 44.4% — 1,743 0 0
21 1974 10–14 41.7% — 1,811 0 1 1982 9–18 33.3% — 1,654 0 0
22 1975 14–14 50.0% — 1,792 0 1 1983 7–10 41.2% — 1,671 0 0
23 1976 6–4 60.0% — 1,846 0 1 1984 18–17 51.4% — 1,733 0 1
24 1977 17–20 45.9% — 1,834 0 1 1985 29–18 61.7% — 1,776 0 2
25 1978 1–7 12.5% — 1,751 0 1 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 Kristien Shaw Mareen Louie Harper
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% — — — — — — — — — — — —
15 1968 0 1 1 0.0% — — — — 0 1 1 0.0% — — — — 1976 — — — — 0 1 1 0.0% 1 1 2 50.0% — — — —
16 1969 3 4 7 42.9% 2 1 3 66.7% 0 3 3 0.0% — — — — 1977 — — — — 0 1 1 0.0% — — — — 0 1 1 0.0%
17 1970 8 4 12 66.7% 1 2 3 33.3% 3 4 7 42.9% — — — — 1978 4 5 9 44.4% 3 3 6 50.0% — — — — 0 4 4 0.0%
18 1971 2 4 6 33.3% 0 6 6 0.0% 21 15 36 58.3% — — — — 1979 2 6 8 25.0% 0 1 1 0.0% 0 1 1 0.0% 2 5 7 28.6%
19 1972 1 3 4 25.0% 0 2 2 0.0% 1 5 6 16.7% 0 3 3 0.0% 1980 7 8 15 46.7% 3 2 5 60.0% 5 2 7 71.4% 7 11 18 38.9%
20 1973 6 6 12 50.0% 8 8 16 50.0% 12 5 17 70.6% 3 5 8 37.5% 1981 5 7 12 41.7% 1 1 2 50.0% 1 2 3 33.3% 9 10 19 47.4%
21 1974 2 4 6 33.3% 0 1 1 0.0% 3 2 5 60.0% 5 7 12 41.7% 1982 4 6 10 40.0% 2 1 3 66.7% 0 2 2 0.0% 3 9 12 25.0%
22 1975 5 6 11 45.5% 6 3 9 66.7% — — — — 3 4 7 42.9% 1983 5 5 10 50.0% — — — — — — — — 2 5 7 28.6%
23 1976 2 1 3 66.7% 1 2 3 33.3% — — — — 3 1 4 75.0% 1984 14 9 23 60.9% 0 1 1 0.0% 1 3 4 25.0% 3 4 7 42.9%
24 1977 2 5 7 28.6% 0 1 1 0.0% 3 2 5 60.0% 12 12 24 50.0% 1985 18 9 27 66.7% 0 2 2 0.0% 2 2 4 50.0% 9 5 14 64.3%
25 1978 0 4 4 0.0% — — — — — — — — 1 3 4 25.0% 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 — 31 42 73 42.5% 18 26 44 40.9% 43 37 80 53.8% 27 35 62 43.5% — 104 118 222 46.8% 10 16 26 38.5% 16 27 43 37.2% 47 78 125 37.6%

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 Kristien Shaw Mareen Louie Harper
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
15 1968 1485 99.9 — — — — — — — 20.0% -1.60 0–1 — — -0.41 1976 1522 100.6 — — — — — — — 42.9% -0.57 0–1 — — +0.36
16 1969 1515 113.4 — — — — +28 +25 -27 42.3% -0.39 1–1 — — -0.23 1977 1520 116.3 — — — — — — — 0.0% -3.50 — 0–1 — -0.35
17 1970 1593 114.0 — — — — +56 — -61 55.3% +0.49 3–2 (60%) — — +2.96 1978 1589 122.4 — — — — +31 -31 — 34.1% -1.25 5–1 (83%) 2–1 (67%) 108.1 -0.33
18 1971 1716 133.5 — — — — -75 -249 +83 48.6% -0.28 6–5 (55%) 3–2 (60%) 102.1 -3.43 1979 1568 121.3 — — — — +25 — — 30.0% -1.90 2–4 (33%) 2–1 (67%) — +0.42
19 1972 1624 116.8 — — — — -39 — +85 25.0% -2.00 1–5 (17%) 1–1 — -2.01 1980 1714 128.5 — — — — -41 -153 -36 46.2% -0.59 12–4 (75%) 2–6 (25%) 107.6 +1.57
20 1973 1906 155.3 — — — — -158 -300 -12 51.7% +0.41 8–4 (67%) 6–10 (38%) 106.7 -8.65 1981 1743 134.3 — — — — -2 — -72 42.7% -0.51 7–5 (58%) 4–2 (67%) 105.0 -1.63
21 1974 1812 131.9 — — — — -145 — +87 35.4% -1.00 3–3 (50%) 1–2 (33%) — -2.83 1982 1655 124.8 — — — — -27 -46 — 35.5% -1.06 4–4 (50%) 1–2 (33%) 99.6 -1.27
22 1975 1792 131.3 — — — — -35 -117 — 49.2% +0.13 3–4 (43%) 2–5 (29%) 97.4 +0.63 1983 1671 132.0 — — — — -14 — — 42.9% -0.43 2–1 (67%) 1–2 (33%) 100.4 -0.99
23 1976 1846 129.0 — — — — -16 -194 — 63.6% +0.77 0–2 0–2 — -1.43 1984 1733 127.5 — — — — +24 — -94 48.8% -0.05 7–3 (70%) 2–3 (40%) 105.0 +0.67
24 1977 1834 142.3 — — — — -45 — +56 43.5% -0.34 8–5 (62%) 3–5 (38%) 101.2 -3.83 1985 1777 143.7 — — — — +52 — -157 58.5% +0.41 8–4 (67%) 5–5 (50%) 101.8 -0.01
25 1978 1752 112.7 — — — — -71 — — 22.2% -1.61 0–2 1–2 (33%) — -0.72 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 — 1924 142.0 — — — — -62 -212 +44 45.7% -0.23 33–34 (49%) 17–29 (37%) 98.1 -7.85 — 1911 135.2 — — — — +7 -78 -59 42.4% -0.57 76–56 (58%) 40–42 (49%) 107.5 -0.10

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.