H2H data updated: 2026-09-12 00:00 UTC

Kathleen Harter vs Sue Mappin H2H: 1-0

Kathleen Harter holds a 1–0 lead over Sue Mappin in their WTA head-to-head. Across 1 main-draw meeting, Kathleen Harter leads 1–0 on grass. Most recently, Kathleen Harter won the 1976 Eastbourne Open round of 64 6-8 9-8 6-0.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Kathleen Harter
USA Age 79
H2H
1 – 0
1 main-draw meetings
Sue Mappin
GBR Age 78 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kathleen Harter 6-8 9-8 6-0 Sue Mappin Match data Jun 16, 1976* R64 Eastbourne Open WTA 250 Grass

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.

Career Comparison

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
Sue Mappin — — — 1,772 107 96 52.7% 0 0 0 0 4 4

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 Sue Mappin
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
20 — — — — — — — 1968 0–1 0.0% — 1,484 0 0
21 1968 40–22 64.5% — 1,690 0 0 — — — — — — —
22 1969 1–1 50.0% — 1,685 0 0 — — — — — — —
23 1970 23–20 53.5% — 1,678 0 0 1971 0–1 0.0% — 1,469 0 0
24 1971 9–2 81.8% — 1,732 0 2 1972 4–5 44.4% — 1,503 0 0
25 — — — — — — — 1973 9–12 42.9% — 1,582 0 0
26 — — — — — — — 1974 36–24 60.0% — 1,729 0 0
27 1974 4–5 44.4% — 1,729 0 2 1975 17–22 43.6% — 1,639 0 2
28 1975 6–8 42.9% — 1,664 0 2 1976 15–11 57.7% — 1,663 0 3
29 1976 9–16 36.0% — 1,615 0 2 1977 19–14 57.6% — 1,628 0 4
30 1977 12–20 37.5% — 1,644 0 2 1978 7–6 53.8% — 1,665 0 4
31 1978 2–9 18.2% — 1,591 0 2 — — — — — — —

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Kathleen Harter Sue Mappin
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
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 %
20 — — — — — — — — — — — — — — — — — 1968 — — — — 0 1 1 0.0% — — — — — — — —
21 1968 12 5 17 70.6% 11 6 17 64.7% 16 9 25 64.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — —
22 1969 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
23 1970 6 4 10 60.0% 7 7 14 50.0% 8 8 16 50.0% — — — — 1971 — — — — 0 1 1 0.0% — — — — — — — —
24 1971 1 1 2 50.0% — — — — 8 1 9 88.9% — — — — 1972 — — — — — — — — 1 2 3 33.3% 3 3 6 50.0%
25 — — — — — — — — — — — — — — — — — 1973 0 1 1 0.0% 2 4 6 33.3% 4 3 7 57.1% 3 4 7 42.9%
26 — — — — — — — — — — — — — — — — — 1974 1 1 2 50.0% 11 8 19 57.9% 20 11 31 64.5% 3 3 6 50.0%
27 1974 2 2 4 50.0% 1 1 2 50.0% 0 1 1 0.0% 1 1 2 50.0% 1975 5 4 9 55.6% 5 11 16 31.3% 7 4 11 63.6% 0 1 1 0.0%
28 1975 — — — — 1 1 2 50.0% 3 2 5 60.0% 0 1 1 0.0% 1976 0 1 1 0.0% 5 3 8 62.5% 1 3 4 25.0% 9 4 13 69.2%
29 1976 0 1 1 0.0% 3 9 12 25.0% 5 5 10 50.0% 1 1 2 50.0% 1977 0 1 1 0.0% 13 5 18 72.2% 1 5 6 16.7% 5 3 8 62.5%
30 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% 3 3 6 50.0%
31 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% — 6 8 14 42.9% 36 33 69 52.2% 35 30 65 53.8% 26 21 47 55.3%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Kathleen Harter Sue Mappin
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
20 — — — — — — — — — — — — — — — — 1968 1485 94.5 — — — — — — — 0.0% -4.50 — — — +0.01
21 1968 1691 124.1 — — — — +5 -60 +10 63.4% +1.09 6–5 (55%) — — 0.00 — — — — — — — — — — — — — — — —
22 1969 1686 102.9 — — — — — — — 40.0% -0.20 1–0 — — +0.23 — — — — — — — — — — — — — — — —
23 1970 1678 122.9 — — — — +41 -69 +30 53.1% +0.10 5–7 (42%) 2–0 — +0.91 1971 1469 97.5 — — — — — — — 0.0% -2.50 — — — +0.17
24 1971 1732 126.5 — — — — — — +71 79.2% +2.54 1–1 — — +2.89 1972 1503 111.4 — — — — +98 — +27 45.5% -0.36 2–2 (50%) 1–1 — +1.27
25 — — — — — — — — — — — — — — — — 1973 1583 116.2 — — — — +30 -121 -9 48.9% -0.28 2–5 (29%) 1–2 (33%) 95.7 +0.74
26 — — — — — — — — — — — — — — — — 1974 1730 131.9 — — — — -93 -123 +40 54.5% +0.38 12–4 (75%) 3–4 (43%) 108.4 +3.03
27 1974 1729 112.1 — — — — -17 — — 42.1% -1.16 1–2 (33%) 1–0 — -0.51 1975 1639 123.2 — — — — +51 -108 +167 42.4% -0.68 5–4 (56%) 1–4 (20%) 98.4 +0.10
28 1975 1665 112.0 — — — — — — +97 44.1% -0.82 3–3 (50%) 1–1 — +0.39 1976 1663 122.6 — — — — +56 -67 +138 57.9% +0.61 2–3 (40%) 1–0 — +6.68
29 1976 1615 122.9 — — — — +60 -57 +152 41.7% -0.45 3–7 (30%) 4–5 (44%) 95.7 +0.03 1977 1628 115.4 — — — — +44 +82 +71 52.1% +0.15 7–2 (78%) 1–4 (20%) 102.1 +6.33
30 1977 1644 127.2 — — — — +49 -96 +72 37.5% -0.88 5–3 (63%) 2–4 (33%) 101.5 +0.34 1978 1665 118.8 — — — — +16 — +26 55.6% +0.22 2–1 (67%) — — +1.31
31 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 — 1773 126.6 — — — — +31 -57 +64 50.8% +0.02 32–21 (60%) 8–15 (35%) 101.2 +9.82

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.