H2H data updated: 2026-07-20 02:15 UTC

Isabelle Demongeot vs Mareen Louie Harper H2H: 1-0

Isabelle Demongeot holds a 1–0 lead over Mareen Louie Harper in their WTA head-to-head. Across 1 main-draw meeting, Isabelle Demongeot leads 1–0 on hard courts. Most recently, Isabelle Demongeot won the 1989 Key Biscayne first round 6-7 6-0 6-2.

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Isabelle Demongeot
FRA Age 59 Right-Handed
H2H
1 – 0
1 main draw meetings
Mareen Louie Harper
Age 65

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Mar 21, 1989* Key Biscayne WTA 250 R128 Hard Isabelle Demongeot #38 6-7 6-0 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
Isabelle Demongeot #522 #35 69 1,850 119 156 43.3% 0 0 0 0 1 1
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 Isabelle Demongeot 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 1984 1–1 50.0% #165 1,513 0 0 1978 7–12 36.8% — 1,588 0 0
18 1985 4–7 36.4% #135 1,520 0 0 1979 4–13 23.5% — 1,567 0 0
19 1986 11–15 42.3% #65 1,609 0 0 1980 22–23 48.9% — 1,715 0 0
20 1987 17–20 45.9% #53 1,732 0 0 1981 16–20 44.4% — 1,743 0 0
21 1988 19–18 51.4% #45 1,774 0 0 1982 9–18 33.3% — 1,654 0 0
22 1989 18–15 54.5% #46 1,771 0 0 1983 7–10 41.2% — 1,670 0 0
23 1990 15–17 46.9% #78 1,705 0 0 1984 18–17 51.4% — 1,733 0 1
24 1991 13–14 48.1% #63 1,690 0 1 1985 29–18 61.7% — 1,777 0 2
25 1992 7–17 29.2% #136 1,629 0 1 1986 12–17 41.4% — 1,680 0 2
26 1993 5–11 31.2% #150 1,593 0 1 1987 9–16 36.0% — 1,625 0 2
27 1994 3–9 25.0% #130 1,542 0 1 1988 12–17 41.4% — 1,614 0 2
28 1995 5–9 35.7% #160 1,547 0 1 1989 6–14 30.0% — 1,577 0 2
29 1996 1–3 25.0% #242 1,530 0 1 1990 10–15 40.0% — 1,591 0 2
30 — — — — — — — 1991 12–16 42.9% — 1,615 0 2
31 — — — — — — — 1992 1–7 12.5% — 1,546 0 2
33 — — — — — — — 1994 0–1 0.0% — 1,537 0 2