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

Pilar Vasquez vs Mareen Louie Harper H2H: 0-1

Mareen Louie Harper holds a 1–0 lead over Pilar Vasquez 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 1981 San Diego round of 32 3-6 7-5 6-0.

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

Pilar Vasquez
PER Age 63 Right-Handed
H2H
0 – 1
1 main-draw meetings
Mareen Louie Harper
USA Age 66

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mareen Louie Harper 3-6 7-5 6-0 Pilar Vasquez Match data Jul 30, 1981* 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
Pilar Vasquez #772 #66 8 1,799 94 130 42.0% 0 0 0 0 4 4
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 Pilar Vasquez 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 1980 15–0 100.0% — 1,695 0 3 1978 7–12 36.8% — 1,588 0 0
18 1981 22–11 66.7% — 1,708 0 4 1979 4–13 23.5% — 1,568 0 0
19 1982 11–14 44.0% — 1,623 0 4 1980 22–23 48.9% — 1,714 0 0
20 1983 11–14 44.0% — 1,612 0 4 1981 16–20 44.4% — 1,743 0 0
21 1984 7–17 29.2% #116 1,543 0 4 1982 9–18 33.3% — 1,654 0 0
22 1985 1–12 7.7% #116 1,438 0 4 1983 7–10 41.2% — 1,671 0 0
23 1986 2–9 18.2% #149 1,408 0 4 1984 18–17 51.4% — 1,733 0 1
24 1987 8–11 42.1% #151 1,481 0 4 1985 29–18 61.7% — 1,776 0 2
25 1988 6–12 33.3% #161 1,510 0 4 1986 12–17 41.4% — 1,679 0 2
26 1989 4–9 30.8% #194 1,497 0 4 1987 9–16 36.0% — 1,623 0 2
27 1990 5–10 33.3% #151 1,473 0 4 1988 12–17 41.4% — 1,613 0 2
28 1991 1–10 9.1% #306 1,408 0 4 1989 6–14 30.0% — 1,576 0 2
29 — — — — — — — 1990 10–15 40.0% — 1,590 0 2
30 1993 1–1 50.0% #292 1,421 0 4 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 Pilar Vasquez 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 — — — — — — — — — — — — — — — — — 1976 — — — — 0 1 1 0.0% 1 1 2 50.0% — — — —
16 — — — — — — — — — — — — — — — — — 1977 — — — — 0 1 1 0.0% — — — — 0 1 1 0.0%
17 1980 — — — — 15 0 15 100.0% — — — — — — — — 1978 4 5 9 44.4% 3 3 6 50.0% — — — — 0 4 4 0.0%
18 1981 0 3 3 0.0% 5 5 10 50.0% — — — — — — — — 1979 2 6 8 25.0% 0 1 1 0.0% 0 1 1 0.0% 2 5 7 28.6%
19 1982 4 4 8 50.0% 7 9 16 43.8% — — — — — — — — 1980 7 8 15 46.7% 3 2 5 60.0% 5 2 7 71.4% 7 11 18 38.9%
20 1983 7 5 12 58.3% 2 7 9 22.2% — — — — 2 2 4 50.0% 1981 5 7 12 41.7% 1 1 2 50.0% 1 2 3 33.3% 9 10 19 47.4%
21 1984 4 7 11 36.4% 2 8 10 20.0% 1 1 2 50.0% 0 1 1 0.0% 1982 4 6 10 40.0% 2 1 3 66.7% 0 2 2 0.0% 3 9 12 25.0%
22 1985 0 3 3 0.0% 1 7 8 12.5% 0 2 2 0.0% — — — — 1983 5 5 10 50.0% — — — — — — — — 2 5 7 28.6%
23 1986 1 4 5 20.0% 1 5 6 16.7% — — — — — — — — 1984 14 9 23 60.9% 0 1 1 0.0% 1 3 4 25.0% 3 4 7 42.9%
24 1987 7 5 12 58.3% 1 3 4 25.0% 0 1 1 0.0% 0 2 2 0.0% 1985 18 9 27 66.7% 0 2 2 0.0% 2 2 4 50.0% 9 5 14 64.3%
25 1988 5 9 14 35.7% 1 2 3 33.3% 0 1 1 0.0% — — — — 1986 8 7 15 53.3% — — — — 1 2 3 33.3% 3 8 11 27.3%
26 1989 2 6 8 25.0% 1 1 2 50.0% — — — — 1 2 3 33.3% 1987 6 8 14 42.9% 0 2 2 0.0% 2 3 5 40.0% 1 3 4 25.0%
27 1990 3 5 8 37.5% 1 3 4 25.0% — — — — 1 2 3 33.3% 1988 8 11 19 42.1% 1 1 2 50.0% 0 2 2 0.0% 3 3 6 50.0%
28 1991 0 7 7 0.0% 0 1 1 0.0% — — — — 1 2 3 33.3% 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 1993 1 1 2 50.0% — — — — — — — — — — — — 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 — 34 59 93 36.6% 37 51 88 42.0% 1 5 6 16.7% 5 11 16 31.2% — 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 Pilar Vasquez 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 — — — — — — — — — — — — — — — — 1976 1522 100.6 — — — — — — — 42.9% -0.57 0–1 — — +0.36
16 — — — — — — — — — — — — — — — — 1977 1520 116.3 — — — — — — — 0.0% -3.50 — 0–1 — -0.35
17 1980 1696 133.9 — — — — — +93 — 100.0% +3.97 — 1–0 — +2.78 1978 1589 122.4 — — — — +31 -31 — 34.1% -1.25 5–1 (83%) 2–1 (67%) 108.1 -0.33
18 1981 1709 135.2 — — — — -147 +84 — 64.9% +1.14 4–4 (50%) 2–1 (67%) 100.3 -0.42 1979 1568 121.3 — — — — +25 — — 30.0% -1.90 2–4 (33%) 2–1 (67%) — +0.42
19 1982 1623 111.1 — — — — -51 +27 — 44.8% -0.50 4–4 (50%) 2–2 (50%) — +1.03 1980 1714 128.5 — — — — -41 -153 -36 46.2% -0.59 12–4 (75%) 2–6 (25%) 107.6 +1.57
20 1983 1612 111.0 — — — — +15 +14 — 44.1% -0.47 5–4 (56%) 4–3 (57%) 101.9 +3.38 1981 1743 134.3 — — — — -2 — -72 42.7% -0.51 7–5 (58%) 4–2 (67%) 105.0 -1.63
21 1984 1544 104.4 — — — — +13 -1 — 35.2% -1.17 1–5 (17%) 4–1 (80%) 98.6 +0.59 1982 1655 124.8 — — — — -27 -46 — 35.5% -1.06 4–4 (50%) 1–2 (33%) 99.6 -1.27
22 1985 1438 95.2 — — — — +88 +8 — 20.0% -2.73 0–4 (0%) — — +0.36 1983 1671 132.0 — — — — -14 — — 42.9% -0.43 2–1 (67%) 1–2 (33%) 100.4 -0.99
23 1986 1408 94.9 — — — — +93 -5 — 25.0% -2.33 0–2 — — +0.42 1984 1733 127.5 — — — — +24 — -94 48.8% -0.05 7–3 (70%) 2–3 (40%) 105.0 +0.67
24 1987 1482 106.8 — — — — +84 -100 — 45.7% -0.30 3–5 (38%) 1–0 — +1.44 1985 1777 143.7 — — — — +52 — -157 58.5% +0.41 8–4 (67%) 5–5 (50%) 101.8 -0.01
25 1988 1510 111.3 — — — — +17 -101 — 39.5% -0.95 2–5 (29%) 2–2 (50%) — +0.40 1986 1680 121.2 — — — — +20 — -65 39.1% -0.55 5–3 (63%) 2–5 (29%) 97.5 +1.39
26 1989 1498 108.0 — — — — -7 — — 33.3% -1.07 2–2 (50%) 0–2 — +0.62 1987 1624 119.5 — — — — +6 — -17 38.6% -0.67 3–4 (43%) 1–1 — +0.33
27 1990 1474 96.8 — — — — +14 -57 — 36.4% -1.06 1–2 (33%) 2–2 (50%) 100.4 +1.73 1988 1614 129.1 — — — — +11 — — 43.3% -0.43 4–5 (44%) 5–4 (56%) 100.4 -0.29
28 1991 1409 98.9 — — — — +1 — — 16.0% -2.28 1–2 (33%) 0–3 (0%) — +0.15 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 1993 1422 97.4 — — — — — — — 40.0% -1.40 1–0 — — +0.13 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 — 1800 115.2 — — — — +17 +22 — 44.4% -0.47 24–39 (38%) 18–16 (53%) 97.2 +5.63 — 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.