H2H data updated: 2026-07-19 08:25 UTC
Helga Masthoff vs Mareen Louie Harper H2H: 1-0
Helga Masthoff holds a 1–0 lead over Mareen Louie Harper in their WTA head-to-head. Across 1 main-draw meeting, Helga Masthoff leads 1–0 on clay. Most recently, Helga Masthoff won the 1978 Roland Garros third round 3-6 6-4 6-2.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jun 4, 1978* | Roland Garros | Grand Slam | R32 | Clay | Helga Masthoff | 3-6 6-4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Helga Masthoff | — | — | — | 2,084 | 373 | 111 | 77.1% | 0 | 2 | 0 | 4 | 43 | 49 |
| 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 | Helga Masthoff | Mareen Louie Harper | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 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 | — | — | — | — | — | — | — | 1978 | 7–12 | 36.8% | — | 1,588 | 0 | 0 |
| 18 | — | — | — | — | — | — | — | 1979 | 4–13 | 23.5% | — | 1,567 | 0 | 0 |
| 19 | — | — | — | — | — | — | — | 1980 | 22–23 | 48.9% | — | 1,715 | 0 | 0 |
| 20 | — | — | — | — | — | — | — | 1981 | 16–20 | 44.4% | — | 1,743 | 0 | 0 |
| 21 | — | — | — | — | — | — | — | 1982 | 9–18 | 33.3% | — | 1,654 | 0 | 0 |
| 22 | — | — | — | — | — | — | — | 1983 | 7–10 | 41.2% | — | 1,670 | 0 | 0 |
| 23 | — | — | — | — | — | — | — | 1984 | 18–17 | 51.4% | — | 1,733 | 0 | 1 |
| 24 | — | — | — | — | — | — | — | 1985 | 29–18 | 61.7% | — | 1,777 | 0 | 2 |
| 25 | — | — | — | — | — | — | — | 1986 | 12–17 | 41.4% | — | 1,680 | 0 | 2 |
| 26 | 1968 | 26–12 | 68.4% | — | 1,716 | 0 | 3 | 1987 | 9–16 | 36.0% | — | 1,625 | 0 | 2 |
| 27 | 1969 | 42–13 | 76.4% | — | 1,895 | 0 | 11 | 1988 | 12–17 | 41.4% | — | 1,614 | 0 | 2 |
| 28 | 1970 | 50–11 | 82.0% | — | 2,046 | 0 | 16 | 1989 | 6–14 | 30.0% | — | 1,577 | 0 | 2 |
| 29 | 1971 | 38–9 | 80.9% | — | 2,053 | 0 | 23 | 1990 | 10–15 | 40.0% | — | 1,591 | 0 | 2 |
| 30 | 1972 | 28–11 | 71.8% | — | 2,007 | 0 | 27 | 1991 | 12–16 | 42.9% | — | 1,615 | 0 | 2 |
| 31 | 1973 | 36–13 | 73.5% | — | 2,028 | 0 | 29 | 1992 | 1–7 | 12.5% | — | 1,546 | 0 | 2 |
| 32 | 1974 | 27–9 | 75.0% | — | 2,013 | 0 | 32 | — | — | — | — | — | — | — |
| 33 | 1975 | 25–8 | 75.8% | — | 1,972 | 0 | 36 | 1994 | 0–1 | 0.0% | — | 1,537 | 0 | 2 |
| 34 | 1976 | 34–8 | 81.0% | — | 1,940 | 0 | 41 | — | — | — | — | — | — | — |
| 35 | 1977 | 18–4 | 81.8% | — | 1,934 | 0 | 44 | — | — | — | — | — | — | — |
| 36 | 1978 | 13–5 | 72.2% | — | 1,894 | 0 | 44 | — | — | — | — | — | — | — |
| 37 | 1979 | 10–1 | 90.9% | — | 1,929 | 0 | 47 | — | — | — | — | — | — | — |
| 38 | 1980 | 26–7 | 78.8% | — | 1,873 | 0 | 49 | — | — | — | — | — | — | — |