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

Betsy Nagelsen vs Mareen Louie Harper H2H: 1-2

Mareen Louie Harper holds a 2–1 lead over Betsy Nagelsen in their WTA head-to-head. Across 3 main-draw meetings, Mareen Louie Harper leads 1–0 on carpet, while Betsy Nagelsen leads 1–0 on grass. Most recently, Betsy Nagelsen won the 1989 Eastbourne third round 4-6 6-1 6-4.

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Betsy Nagelsen
USA Age 69 Right-Handed 175 cm / 5'9"
H2H
1 – 2
3 main draw meetings
Mareen Louie Harper
Age 65

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jun 22, 1989* Eastbourne WTA 250 R32 Grass Betsy Nagelsen #63 4-6 6-1 6-4 Mareen Louie Harper Match data
Jan 15, 1981* Kansas City WTA 250 R32 Carpet Mareen Louie Harper 7-6 6-0 Betsy Nagelsen Match data
Sep 13, 1979* Tokyo Sillook WTA 250 R32 Hard Mareen Louie Harper 3-6 6-3 6-4 Betsy Nagelsen 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
Betsy Nagelsen #692 #25 28 1,885 266 324 45.1% 0 0 0 0 6 6
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 Betsy Nagelsen Mareen Louie Harper
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
13 — — — — — — — 1974 2–1 66.7% — 1,523 0 0
15 1972 4–2 66.7% — 1,537 0 1 1976 1–2 33.3% — 1,521 0 0
16 1973 1–3 25.0% — 1,517 0 1 1977 0–2 0.0% — 1,519 0 0
17 1974 27–18 60.0% — 1,730 0 3 1978 7–12 36.8% — 1,588 0 0
18 1975 18–17 51.4% — 1,793 0 3 1979 4–13 23.5% — 1,567 0 0
19 1976 11–19 36.7% — 1,709 0 3 1980 22–23 48.9% — 1,715 0 0
20 1977 8–15 34.8% — 1,677 0 3 1981 16–20 44.4% — 1,743 0 0
21 1978 13–24 35.1% — 1,659 0 3 1982 9–18 33.3% — 1,654 0 0
22 1979 18–19 48.6% — 1,695 0 5 1983 7–10 41.2% — 1,670 0 0
23 1980 22–27 44.9% — 1,756 0 5 1984 18–17 51.4% — 1,733 0 1
24 1981 20–21 48.8% — 1,803 0 6 1985 29–18 61.7% — 1,777 0 2
25 1982 12–17 41.4% — 1,704 0 6 1986 12–17 41.4% — 1,680 0 2
26 1983 18–22 45.0% — 1,692 0 6 1987 9–16 36.0% — 1,625 0 2
27 1984 11–18 37.9% #77 1,630 0 6 1988 12–17 41.4% — 1,614 0 2
28 1985 14–12 53.8% #81 1,714 0 6 1989 6–14 30.0% — 1,577 0 2
29 1986 18–17 51.4% #46 1,699 0 6 1990 10–15 40.0% — 1,591 0 2
30 1987 13–15 46.4% #61 1,645 0 6 1991 12–16 42.9% — 1,615 0 2
31 1988 11–19 36.7% #109 1,586 0 6 1992 1–7 12.5% — 1,546 0 2
32 1989 18–15 54.5% #45 1,663 0 6 — — — — — — —
33 1990 8–12 40.0% #96 1,640 0 6 1994 0–1 0.0% — 1,537 0 2
34 1991 0–2 0.0% #337 1,608 0 6 — — — — — — —
35 1992 1–5 16.7% #418 1,561 0 6 — — — — — — —
36 1993 0–4 0.0% #394 1,512 0 6 — — — — — — —
37 1994 0–1 0.0% #692 1,510 0 6 — — — — — — —