H2H data updated: 2026-07-19 02:51 UTC
Mareen Louie Harper vs Roberta Mccallum H2H: 2-0
Mareen Louie Harper holds a 2–0 lead over Roberta Mccallum in their WTA head-to-head. Across 2 main-draw meetings, Mareen Louie Harper leads 1–0 on carpet and 1–0 on grass. Most recently, Mareen Louie Harper won the 1980 Eastbourne second round 7-5 2-6 6-1.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jun 18, 1980* | Eastbourne | WTA 250 | R64 | Grass | Mareen Louie Harper | 7-5 2-6 6-1 | Roberta Mccallum | Match data |
| Apr 3, 1980* | Edmond | WTA 250 | QF | Carpet | Mareen Louie Harper | 6-2 6-4 | Roberta Mccallum | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mareen Louie Harper | — | — | — | 1,911 | 177 | 239 | 42.5% | 0 | 0 | 0 | 0 | 2 | 2 |
| Roberta Mccallum | — | — | — | 1,659 | 24 | 43 | 35.8% | 0 | 0 | 0 | 0 | 0 | 0 |
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 | Mareen Louie Harper | Roberta Mccallum | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1978 | 0–1 | 0.0% | — | 1,484 | 0 | 0 |
| 20 | 1981 | 16–20 | 44.4% | — | 1,743 | 0 | 0 | 1979 | 6–5 | 54.5% | — | 1,572 | 0 | 0 |
| 21 | 1982 | 9–18 | 33.3% | — | 1,654 | 0 | 0 | 1980 | 14–27 | 34.1% | — | 1,579 | 0 | 0 |
| 22 | 1983 | 7–10 | 41.2% | — | 1,670 | 0 | 0 | 1981 | 4–9 | 30.8% | — | 1,568 | 0 | 0 |
| 23 | 1984 | 18–17 | 51.4% | — | 1,733 | 0 | 1 | 1982 | 0–1 | 0.0% | — | 1,549 | 0 | 0 |
| 24 | 1985 | 29–18 | 61.7% | — | 1,777 | 0 | 2 | — | — | — | — | — | — | — |
| 25 | 1986 | 12–17 | 41.4% | — | 1,680 | 0 | 2 | — | — | — | — | — | — | — |
| 26 | 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 | — | — | — | — | — | — | — |