H2H data updated: 2026-09-13 00:00 UTC

Kathleen Harter vs Ana Maria Arias H2H: 1-0

Kathleen Harter holds a 1–0 lead over Ana Maria Arias in their WTA head-to-head. Across 1 main-draw meeting, Kathleen Harter leads 1–0 on clay. Most recently, Kathleen Harter won the 1970 Bastad quarterfinal 6-3 6-4.

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
Ana Maria Arias
CHI Age 80

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kathleen Harter 6-3 6-4 Ana Maria Arias Match data Jul 7, 1970* QF Bastad 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.

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
Ana Maria Arias — — — 1,534 39 82 32.2% 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 Kathleen Harter Ana Maria Arias
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
21 1968 40–22 64.5% — 1,690 0 0 1968 0–1 0.0% — 1,495 0 0
22 1969 1–1 50.0% — 1,685 0 0 1969 4–12 25.0% — 1,464 0 1
23 1970 23–20 53.5% — 1,678 0 0 1970 11–15 42.3% — 1,508 0 1
24 1971 9–2 81.8% — 1,732 0 2 1971 8–17 32.0% — 1,504 0 2
25 — — — — — — — 1972 8–16 33.3% — 1,513 0 2
26 — — — — — — — 1973 3–7 30.0% — 1,493 0 2
27 1974 4–5 44.4% — 1,729 0 2 1974 3–9 25.0% — 1,453 0 2
28 1975 6–8 42.9% — 1,664 0 2 1975 2–4 33.3% — 1,448 0 2
29 1976 9–16 36.0% — 1,615 0 2 1976 0–1 0.0% — 1,444 0 2
30 1977 12–20 37.5% — 1,644 0 2 — — — — — — —
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 Ana Maria Arias
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 %
21 1968 12 5 17 70.6% 11 6 17 64.7% 16 9 25 64.0% 1 2 3 33.3% 1968 — — — — 0 1 1 0.0% — — — — — — — —
22 1969 1 1 2 50.0% — — — — — — — — — — — — 1969 — — — — 3 7 10 30.0% 1 5 6 16.7% — — — —
23 1970 6 4 10 60.0% 7 7 14 50.0% 8 8 16 50.0% — — — — 1970 — — — — 10 11 21 47.6% 1 4 5 20.0% — — — —
24 1971 1 1 2 50.0% — — — — 8 1 9 88.9% — — — — 1971 0 2 2 0.0% 7 11 18 38.9% 1 4 5 20.0% — — — —
25 — — — — — — — — — — — — — — — — — 1972 — — — — 4 7 11 36.4% 1 5 6 16.7% — — — —
26 — — — — — — — — — — — — — — — — — 1973 — — — — 3 6 9 33.3% 0 1 1 0.0% — — — —
27 1974 2 2 4 50.0% 1 1 2 50.0% 0 1 1 0.0% 1 1 2 50.0% 1974 — — — — 2 6 8 25.0% 1 3 4 25.0% — — — —
28 1975 — — — — 1 1 2 50.0% 3 2 5 60.0% 0 1 1 0.0% 1975 — — — — 2 4 6 33.3% — — — — — — — —
29 1976 0 1 1 0.0% 3 9 12 25.0% 5 5 10 50.0% 1 1 2 50.0% 1976 — — — — 0 1 1 0.0% — — — — — — — —
30 1977 2 4 6 33.3% 2 6 8 25.0% 5 7 12 41.7% 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% — 0 2 2 0.0% 31 54 85 36.5% 5 22 27 18.5% — — — —

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 Ana Maria Arias
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
21 1968 1691 124.1 — — — — +5 -60 +10 63.4% +1.09 6–5 (55%) — — 0.00 1968 1495 98.9 — — — — — — — 0.0% -5.50 — — — -0.30
22 1969 1686 102.9 — — — — — — — 40.0% -0.20 1–0 — — +0.23 1969 1465 106.7 — — — — — +9 +2 34.2% -1.21 1–5 (17%) — — -0.03
23 1970 1678 122.9 — — — — +41 -69 +30 53.1% +0.10 5–7 (42%) 2–0 — +0.91 1970 1509 99.2 — — — — — +10 -72 42.4% -0.85 4–3 (57%) 1–0 — +3.42
24 1971 1732 126.5 — — — — — — +71 79.2% +2.54 1–1 — — +2.89 1971 1505 107.5 — — — — — +32 -107 38.5% -1.12 2–6 (25%) 0–1 — +2.02
25 — — — — — — — — — — — — — — — — 1972 1514 110.7 — — — — — +53 -141 36.7% -0.80 1–4 (20%) 1–2 (33%) 95.3 +0.20
26 — — — — — — — — — — — — — — — — 1973 1493 107.7 — — — — — +25 — 39.1% -1.13 0–3 (0%) 1–0 — +0.55
27 1974 1729 112.1 — — — — -17 — — 42.1% -1.16 1–2 (33%) 1–0 — -0.51 1974 1453 98.6 — — — — — -7 -69 39.3% -0.82 1–5 (17%) 0–1 — +0.74
28 1975 1665 112.0 — — — — — — +97 44.1% -0.82 3–3 (50%) 1–1 — +0.39 1975 1448 98.6 — — — — — +3 — 30.8% -1.31 1–0 0–1 — +1.14
29 1976 1615 122.9 — — — — +60 -57 +152 41.7% -0.45 3–7 (30%) 4–5 (44%) 95.7 +0.03 1976 1445 101.0 — — — — — — — 0.0% -3.00 — — — -0.09
30 1977 1644 127.2 — — — — +49 -96 +72 37.5% -0.88 5–3 (63%) 2–4 (33%) 101.5 +0.34 — — — — — — — — — — — — — — — —
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 — 1534 106.2 — — — — — +20 -77 37.6% -1.04 10–26 (28%) 3–5 (38%) 88.0 +6.48

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.