H2H data updated: 2026-10-28 00:00 UTC

Sabina Simmonds vs Mareen Louie Harper H2H: 0-2

Mareen Louie Harper holds a 2–0 lead over Sabina Simmonds in their WTA head-to-head. Across 2 main-draw meetings, Mareen Louie Harper leads 1–0 on carpet and 1–0 on hard courts. Most recently, Mareen Louie Harper won the 1983 Indianapolis Indoors round of 16 6-1 6-3.

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Sabina Simmonds
ITA Age 66
H2H
0 – 2
2 main-draw meetings
Mareen Louie Harper
USA Age 66

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mareen Louie Harper 6-1 6-3 Sabina Simmonds Match data Feb 11, 1983* R16 Indianapolis Indoors WTA 250 Hard
Mareen Louie Harper 5-7 6-2 6-3 Sabina Simmonds Match data Jan 13, 1983* R32 Houston 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
Sabina Simmonds — — — 1,830 108 123 46.8% 0 0 0 0 6 6
Mareen Louie Harper — — — 1,911 179 240 42.7% 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 Sabina Simmonds Mareen Louie Harper
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
13 — — — — — — — 1974 2–1 66.7% — 1,523 0 0
14 1974 0–2 0.0% — 1,476 0 0 — — — — — — —
15 1975 2–4 33.3% — 1,470 0 0 1976 1–2 33.3% — 1,521 0 0
16 1976 5–7 41.7% — 1,526 0 0 1977 0–2 0.0% — 1,519 0 0
17 1977 3–9 25.0% — 1,526 0 0 1978 9–13 40.9% — 1,599 0 0
18 1978 15–15 50.0% — 1,608 0 0 1979 4–13 23.5% — 1,575 0 0
19 1979 15–10 60.0% — 1,669 0 2 1980 22–23 48.9% — 1,719 0 0
20 1980 6–10 37.5% — 1,613 0 2 1981 16–20 44.4% — 1,745 0 0
21 1981 21–10 67.7% — 1,723 0 5 1982 9–18 33.3% — 1,656 0 0
22 1982 26–22 54.2% — 1,791 0 5 1983 7–10 41.2% — 1,672 0 0
23 1983 11–22 33.3% — 1,608 0 6 1984 18–17 51.4% — 1,734 0 1
24 1984 2–6 25.0% — 1,551 0 6 1985 29–18 61.7% — 1,777 0 2
25 1985 2–2 50.0% — 1,578 0 6 1986 12–17 41.4% — 1,680 0 2
26 1986 0–2 0.0% — 1,558 0 6 1987 9–16 36.0% — 1,623 0 2
27 1987 0–1 0.0% — 1,544 0 6 1988 12–17 41.4% — 1,613 0 2
28 1988 0–1 0.0% — 1,527 0 6 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% — 1,537 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 Sabina Simmonds 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% — — — — — — — — — — — —
14 1974 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
15 1975 0 1 1 0.0% 2 3 5 40.0% — — — — — — — — 1976 — — — — 0 1 1 0.0% 1 1 2 50.0% — — — —
16 1976 — — — — 4 5 9 44.4% 1 2 3 33.3% — — — — 1977 — — — — 0 1 1 0.0% — — — — 0 1 1 0.0%
17 1977 — — — — 3 6 9 33.3% 0 2 2 0.0% — — — — 1978 6 6 12 50.0% 3 3 6 50.0% — — — — 0 4 4 0.0%
18 1978 — — — — 6 6 12 50.0% 2 4 6 33.3% 2 1 3 66.7% 1979 2 6 8 25.0% 0 1 1 0.0% 0 1 1 0.0% 2 5 7 28.6%
19 1979 1 2 3 33.3% 5 3 8 62.5% 2 2 4 50.0% 3 2 5 60.0% 1980 7 8 15 46.7% 3 2 5 60.0% 5 2 7 71.4% 7 11 18 38.9%
20 1980 2 1 3 66.7% 0 5 5 0.0% 0 3 3 0.0% — — — — 1981 5 7 12 41.7% 1 1 2 50.0% 1 2 3 33.3% 9 10 19 47.4%
21 1981 — — — — 10 7 17 58.8% — — — — — — — — 1982 4 6 10 40.0% 2 1 3 66.7% 0 2 2 0.0% 3 9 12 25.0%
22 1982 6 5 11 54.5% 7 6 13 53.8% 4 3 7 57.1% 9 8 17 52.9% 1983 5 5 10 50.0% — — — — — — — — 2 5 7 28.6%
23 1983 3 4 7 42.9% 5 7 12 41.7% 3 3 6 50.0% 0 8 8 0.0% 1984 14 9 23 60.9% 0 1 1 0.0% 1 3 4 25.0% 3 4 7 42.9%
24 1984 1 3 4 25.0% 0 2 2 0.0% 1 1 2 50.0% — — — — 1985 18 9 27 66.7% 0 2 2 0.0% 2 2 4 50.0% 9 5 14 64.3%
25 1985 — — — — 1 1 2 50.0% — — — — — — — — 1986 8 7 15 53.3% — — — — 1 2 3 33.3% 3 8 11 27.3%
26 1986 — — — — 0 2 2 0.0% — — — — — — — — 1987 6 8 14 42.9% 0 2 2 0.0% 2 3 5 40.0% 1 3 4 25.0%
27 1987 — — — — 0 1 1 0.0% — — — — — — — — 1988 8 11 19 42.1% 1 1 2 50.0% 0 2 2 0.0% 3 3 6 50.0%
28 1988 — — — — 0 1 1 0.0% — — — — — — — — 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 — 13 18 31 41.9% 43 55 98 43.9% 13 20 33 39.4% 14 19 33 42.4% — 106 119 225 47.1% 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 Sabina Simmonds 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
14 1974 1476 93.7 — — — — — — — 0.0% -3.75 — — — +0.28 — — — — — — — — — — — — — — — —
15 1975 1470 104.3 — — — — — +49 — 46.7% -0.27 0–3 (0%) 1–0 — +0.22 1976 1522 100.6 — — — — — — — 42.9% -0.57 0–1 — — +0.37
16 1976 1526 120.4 — — — — — +53 +36 44.8% -0.41 2–3 (40%) 1–0 — +0.17 1977 1520 116.0 — — — — — — — 0.0% -3.50 — 0–1 — -0.35
17 1977 1526 117.3 — — — — — +69 — 32.0% -1.68 1–2 (33%) 2–0 — -0.88 1978 1599 122.7 — — — — +32 -41 — 39.2% -0.96 5–2 (71%) 3–1 (75%) 107.4 +0.50
18 1978 1609 123.2 — — — — -8 +3 -97 52.4% +0.14 2–7 (22%) 2–0 — +1.42 1979 1576 121.8 — — — — +27 — — 30.0% -1.90 2–4 (33%) 2–1 (67%) — +0.40
19 1979 1670 120.9 — — — — -34 -7 -125 57.4% +0.19 3–1 (75%) 5–1 (83%) 104.8 +3.16 1980 1719 129.4 — — — — -38 -158 -41 46.2% -0.59 12–4 (75%) 2–6 (25%) 107.4 +1.11
20 1980 1613 118.9 — — — — -1 -80 -124 47.1% +0.23 0–4 (0%) 2–2 (50%) 94.0 +0.21 1981 1746 134.8 — — — — -2 — -75 42.7% -0.51 7–5 (58%) 4–2 (67%) 104.9 -1.67
21 1981 1723 130.1 — — — — — -50 — 66.2% +1.58 6–3 (67%) 2–5 (29%) 102.7 +2.67 1982 1656 125.3 — — — — -25 -46 — 35.5% -1.06 4–4 (50%) 1–2 (33%) 99.6 -1.44
22 1982 1792 141.0 — — — — -57 -86 -193 55.7% +0.48 5–7 (42%) 5–3 (63%) 100.9 -1.76 1983 1672 132.3 — — — — -12 — — 42.9% -0.43 2–1 (67%) 1–2 (33%) 100.3 -0.96
23 1983 1609 110.2 — — — — -20 +69 +13 38.5% -0.99 4–10 (29%) 3–5 (38%) 92.3 +1.74 1984 1734 127.7 — — — — +24 — -95 48.8% -0.05 7–3 (70%) 2–3 (40%) 105.0 +0.48
24 1984 1551 99.0 — — — — -12 — — 29.4% -1.23 0–1 1–3 (25%) — +0.74 1985 1778 143.9 — — — — +52 — -156 58.5% +0.41 8–4 (67%) 5–5 (50%) 101.8 -0.23
25 1985 1579 117.8 — — — — — — — 50.0% -0.50 — — — -0.85 1986 1680 121.3 — — — — +20 — -64 39.1% -0.55 5–3 (63%) 2–5 (29%) 97.5 +1.36
26 1986 1559 98.2 — — — — — — — 20.0% -3.00 0–1 1–0 — -0.16 1987 1624 119.6 — — — — +7 — -16 38.6% -0.67 3–4 (43%) 1–1 — +0.21
27 1987 1544 99.5 — — — — — — — 0.0% -2.50 — — — +0.07 1988 1614 129.2 — — — — +12 — — 43.3% -0.43 4–5 (44%) 5–4 (56%) 100.4 -0.37
28 1988 1527 93.7 — — — — — — — 0.0% -5.00 — — — +0.15 1989 1577 117.4 — — — — -17 — -22 32.0% -1.38 6–4 (60%) 6–1 (86%) 107.4 -1.28
29 — — — — — — — — — — — — — — — — 1990 1591 128.5 — — — — +9 — — 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 105.5 — — — — -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 — 1831 128.8 — — — — -37 -2 -90 49.3% -0.05 23–42 (35%) 25–19 (57%) 95.8 +3.16 — 1911 135.4 — — — — +8 -84 -60 42.6% -0.56 76–57 (57%) 41–42 (49%) 107.5 -0.20

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.