H2H data updated: 2026-07-19 14:15 UTC

Kathrin Keil vs Mareen Louie Harper H2H: 0-1

Mareen Louie Harper holds a 1–0 lead over Kathrin Keil 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 Phoenix third round 5-7 6-2 7-5.

Age 63
H2H
0 1
1 main draw meetings

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Mar 12, 1987* Phoenix WTA 250 R32 Hard Mareen Louie Harper 5-7 6-2 7-5 Kathrin Keil 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
Kathrin Keil 1,703 45 55 45.0% 0 0 0 0 0 0
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 Kathrin Keil 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 5–2 71.4% 1,600 0 0 1978 7–12 36.8% 1,588 0 0
18 1981 9–8 52.9% 1,617 0 0 1979 4–13 23.5% 1,567 0 0
19 1982 3–2 60.0% 1,639 0 0 1980 22–23 48.9% 1,715 0 0
20 1983 0–1 0.0% 1,635 0 0 1981 16–20 44.4% 1,743 0 0
21 1984 6–8 42.9% 1,602 0 0 1982 9–18 33.3% 1,654 0 0
22 1985 0–1 0.0% 1,587 0 0 1983 7–10 41.2% 1,670 0 0
23 1986 4–2 66.7% 1,606 0 0 1984 18–17 51.4% 1,733 0 1
24 1987 14–16 46.7% 1,631 0 0 1985 29–18 61.7% 1,777 0 2
25 1988 3–11 21.4% 1,579 0 0 1986 12–17 41.4% 1,680 0 2
26 1989 1–4 20.0% 1,536 0 0 1987 9–16 36.0% 1,625 0 2
27 1988 12–17 41.4% 1,614 0 2
28 1989 6–14 30.0% 1,577 0 2
29 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