H2H data updated: 2026-07-19 08:25 UTC
Kathleen Harter vs Trudy Groenman H2H: 1-0
Kathleen Harter holds a 1–0 lead over Trudy Groenman in their WTA head-to-head. Across 1 main-draw meeting, Kathleen Harter leads 1–0 on grass. Most recently, Kathleen Harter won the 1971 Christchurch Nz Chps quarterfinal 6-2 0-6 6-2.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Feb 6, 1971* | Christchurch Nz Chps | WTA 250 | QF | Grass | Kathleen Harter | 6-2 0-6 6-2 | Trudy Groenman | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kathleen Harter | — | — | — | 1,748 | 106 | 103 | 50.7% | 0 | 0 | 0 | 0 | 2 | 2 |
| Trudy Groenman | — | — | — | 1,744 | 41 | 31 | 56.9% | 0 | 0 | 0 | 0 | 1 | 1 |
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 | Kathleen Harter | Trudy Groenman | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 21 | 1968 | 40–22 | 64.5% | — | 1,692 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 1969 | 1–1 | 50.0% | — | 1,687 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 1970 | 23–20 | 53.5% | — | 1,679 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 1971 | 9–2 | 81.8% | — | 1,734 | 0 | 2 | 1968 | 1–1 | 50.0% | — | 1,512 | 0 | 0 |
| 25 | — | — | — | — | — | — | — | 1969 | 4–2 | 66.7% | — | 1,572 | 0 | 0 |
| 26 | — | — | — | — | — | — | — | 1970 | 7–9 | 43.8% | — | 1,577 | 0 | 0 |
| 27 | 1974 | 4–5 | 44.4% | — | 1,731 | 0 | 2 | 1971 | 21–12 | 63.6% | — | 1,691 | 0 | 1 |
| 28 | 1975 | 6–8 | 42.9% | — | 1,665 | 0 | 2 | 1972 | 7–5 | 58.3% | — | 1,720 | 0 | 1 |
| 29 | 1976 | 9–16 | 36.0% | — | 1,614 | 0 | 2 | 1973 | 1–2 | 33.3% | — | 1,711 | 0 | 1 |
| 30 | 1977 | 12–20 | 37.5% | — | 1,644 | 0 | 2 | — | — | — | — | — | — | — |
| 31 | 1978 | 2–9 | 18.2% | — | 1,592 | 0 | 2 | — | — | — | — | — | — | — |