H2H data updated: 2026-09-12 00:00 UTC
Kathleen Harter holds a 1–0 lead over M Polli in their WTA head-to-head. Across 1 main-draw meeting, Kathleen Harter leads 1–0 on clay. Most recently, Kathleen Harter won the 1968 Italian Open round of 32 6-4 6-3.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Kathleen Harter | 6-4 6-3 | M Polli | Match data | May 9, 1968* | R32 | Italian Open | WTA 250 | Clay |
Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kathleen Harter | — | — | — | 1,746 | 106 | 103 | 50.7% | 0 | 0 | 0 | 0 | 2 | 2 |
| M Polli | — | — | — | 1,514 | 1 | 1 | 50.0% | 0 | 0 | 0 | 0 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Kathleen Harter | M Polli | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 40–22 | 64.5% | — | 1,690 | 0 | 0 | 1968 | 1–1 | 50.0% | — | 1,501 | 0 | 0 |
| 1969 | 1–1 | 50.0% | — | 1,685 | 0 | 0 | — | — | — | — | — | — | — |
| 1970 | 23–20 | 53.5% | — | 1,678 | 0 | 0 | — | — | — | — | — | — | — |
| 1971 | 9–2 | 81.8% | — | 1,732 | 0 | 2 | — | — | — | — | — | — | — |
| 1974 | 4–5 | 44.4% | — | 1,729 | 0 | 2 | — | — | — | — | — | — | — |
| 1975 | 6–8 | 42.9% | — | 1,664 | 0 | 2 | — | — | — | — | — | — | — |
| 1976 | 9–16 | 36.0% | — | 1,615 | 0 | 2 | — | — | — | — | — | — | — |
| 1977 | 12–20 | 37.5% | — | 1,644 | 0 | 2 | — | — | — | — | — | — | — |
| 1978 | 2–9 | 18.2% | — | 1,591 | 0 | 2 | — | — | — | — | — | — | — |
Rows are aligned in career order because complete birth data is unavailable. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Kathleen Harter | M Polli | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | ||||||||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1968 | 12 | 5 | 17 | 70.6% | 11 | 6 | 17 | 64.7% | 16 | 9 | 25 | 64.0% | 1 | 2 | 3 | 33.3% | 1968 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
| 1969 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1970 | 6 | 4 | 10 | 60.0% | 7 | 7 | 14 | 50.0% | 8 | 8 | 16 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1971 | 1 | 1 | 2 | 50.0% | — | — | — | — | 8 | 1 | 9 | 88.9% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1974 | 2 | 2 | 4 | 50.0% | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1975 | — | — | — | — | 1 | 1 | 2 | 50.0% | 3 | 2 | 5 | 60.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1976 | 0 | 1 | 1 | 0.0% | 3 | 9 | 12 | 25.0% | 5 | 5 | 10 | 50.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1977 | 2 | 4 | 6 | 33.3% | 2 | 6 | 8 | 25.0% | 5 | 7 | 12 | 41.7% | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1978 | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | 0 | 4 | 4 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 25 | 20 | 45 | 55.6% | 25 | 31 | 56 | 44.6% | 46 | 35 | 81 | 56.8% | 6 | 12 | 18 | 33.3% | Career | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
Rows are aligned in career order because complete birth data is unavailable. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Kathleen Harter | M Polli | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
| 1968 | 1691 | 124.1 | — | — | — | — | +5 | -60 | +10 | 63.4% | +1.09 | 6–5 (55%) | — | — | 0.00 | 1968 | 1502 | 100.7 | — | — | — | — | — | — | — | 50.0% | +0.50 | — | — | — | -0.02 |
| 1969 | 1686 | 102.9 | — | — | — | — | — | — | — | 40.0% | -0.20 | 1–0 | — | — | +0.23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1970 | 1678 | 122.9 | — | — | — | — | +41 | -69 | +30 | 53.1% | +0.10 | 5–7 (42%) | 2–0 | — | +0.91 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1971 | 1732 | 126.5 | — | — | — | — | — | — | +71 | 79.2% | +2.54 | 1–1 | — | — | +2.89 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1974 | 1729 | 112.1 | — | — | — | — | -17 | — | — | 42.1% | -1.16 | 1–2 (33%) | 1–0 | — | -0.51 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1975 | 1665 | 112.0 | — | — | — | — | — | — | +97 | 44.1% | -0.82 | 3–3 (50%) | 1–1 | — | +0.39 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1976 | 1615 | 122.9 | — | — | — | — | +60 | -57 | +152 | 41.7% | -0.45 | 3–7 (30%) | 4–5 (44%) | 95.7 | +0.03 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1977 | 1644 | 127.2 | — | — | — | — | +49 | -96 | +72 | 37.5% | -0.88 | 5–3 (63%) | 2–4 (33%) | 101.5 | +0.34 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1978 | 1592 | 110.8 | — | — | — | — | +42 | — | +109 | 24.0% | -1.40 | 1–2 (33%) | 1–5 (17%) | 95.6 | -0.07 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1746 | 127.1 | — | — | — | — | +25 | -67 | +57 | 50.6% | +0.08 | 26–30 (46%) | 11–15 (42%) | 95.9 | +2.03 | Career | 1514 | 100.4 | — | — | — | — | — | — | — | 50.0% | +0.50 | — | — | — | -1.00 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Judy Tegart | 0 | 5 | 5 | Oct 2, 1970 | H2H |
| Pam Teeguarden | 2 | 2 | 4 | Aug 12, 1977 | H2H |
| Valerie Ziegenfuss | 2 | 2 | 4 | Oct 6, 1976 | H2H |
| Peaches Bartkowicz | 1 | 3 | 4 | Apr 12, 1970 | H2H |
| Billie Jean King | 0 | 3 | 3 | Feb 23, 1978 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Kathleen Harter | 0 | 1 | 1 | May 9, 1968 | H2H |
| Ebba Leijonhufvud | 1 | 0 | 1 | May 8, 1968 | H2H |