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

Carol Ann Kalogeropoulos vs Heide Orth H2H: 0-1

Heide Orth holds a 1–0 lead over Carol Ann Kalogeropoulos in their WTA head-to-head. Across 1 main-draw meeting, Heide Orth leads 1–0 on clay. Most recently, Heide Orth won the 1972 Kitzbuhel round of 16 6-1 6-1.

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

Carol Ann Kalogeropoulos
GRE Age 83
H2H
0 – 1
1 main-draw meetings
Heide Orth
GER Age 84 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Heide Orth 6-1 6-1 Carol Ann Kalogeropoulos Match data Jul 21, 1972* R16 Kitzbuhel 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
Carol Ann Kalogeropoulos — — — 1,500 7 44 13.7% 0 0 0 0 0 0
Heide Orth — — — 1,806 66 58 53.2% 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 Carol Ann Kalogeropoulos Heide Orth
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
25 1968 3–13 18.8% — 1,382 0 0 1968 4–6 40.0% — 1,489 0 0
26 1969 1–9 10.0% — 1,342 0 0 1969 6–4 60.0% — 1,563 0 1
27 1970 1–9 10.0% — 1,292 0 0 1970 6–6 50.0% — 1,607 0 1
28 1971 2–5 28.6% — 1,292 0 0 1971 20–15 57.1% — 1,716 0 1
29 1972 0–7 0.0% — 1,254 0 0 1972 16–9 64.0% — 1,766 0 2
30 1973 0–1 0.0% — 1,253 0 0 1973 6–11 35.3% — 1,671 0 2
31 — — — — — — — 1974 8–6 57.1% — 1,692 0 2
33 — — — — — — — 1976 0–1 0.0% — 1,671 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 Carol Ann Kalogeropoulos Heide Orth
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 %
25 1968 — — — — 3 13 16 18.8% — — — — — — — — 1968 — — — — 1 3 4 25.0% 2 1 3 66.7% 0 1 1 0.0%
26 1969 — — — — 1 8 9 11.1% 0 1 1 0.0% — — — — 1969 — — — — 2 2 4 50.0% — — — — 1 1 2 50.0%
27 1970 — — — — 0 7 7 0.0% 1 2 3 33.3% — — — — 1970 — — — — 6 5 11 54.5% 0 1 1 0.0% — — — —
28 1971 1 1 2 50.0% 0 3 3 0.0% 1 1 2 50.0% — — — — 1971 6 2 8 75.0% 10 10 20 50.0% 1 2 3 33.3% 3 1 4 75.0%
29 1972 0 2 2 0.0% 0 2 2 0.0% 0 2 2 0.0% — — — — 1972 3 1 4 75.0% 13 8 21 61.9% — — — — — — — —
30 1973 — — — — 0 1 1 0.0% — — — — — — — — 1973 — — — — 2 9 11 18.2% — — — — 4 2 6 66.7%
31 — — — — — — — — — — — — — — — — — 1974 — — — — 8 6 14 57.1% — — — — — — — —
33 — — — — — — — — — — — — — — — — — 1976 — — — — 0 1 1 0.0% — — — — — — — —
Career — 1 3 4 25.0% 4 34 38 10.5% 2 6 8 25.0% — — — — — 9 3 12 75.0% 42 44 86 48.8% 3 4 7 42.9% 8 5 13 61.5%

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 Carol Ann Kalogeropoulos Heide Orth
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
25 1968 1382 86.5 — — — — — -64 — 25.0% -1.86 1–5 (17%) — — +0.42 1968 1490 99.2 — — — — — -14 +68 41.7% -1.12 2–2 (50%) — — +0.27
26 1969 1343 89.9 — — — — — -67 — 17.6% -2.35 0–1 — — +0.69 1969 1564 119.8 — — — — — -66 — 59.1% +0.55 1–1 — — -0.05
27 1970 1292 93.0 — — — — — -71 — 5.3% -3.68 0–1 — — +0.42 1970 1608 118.3 — — — — — -8 — 50.0% -0.18 2–2 (50%) — — -0.14
28 1971 1292 96.9 — — — — — -92 — 23.1% -2.15 0–1 — — +0.46 1971 1717 134.1 — — — — -5 -47 -188 55.8% +0.61 4–3 (57%) 0–1 — +0.31
29 1972 1255 78.5 — — — — — — — 0.0% -4.36 — — — +0.32 1972 1767 144.8 — — — — -12 -6 — 62.5% +1.38 3–3 (50%) 0–1 — -1.13
30 1973 1254 102.0 — — — — — — — 0.0% -4.00 — — — -0.12 1973 1672 123.4 — — — — +105 -47 — 41.5% -0.46 2–5 (29%) 0–2 — +0.74
31 — — — — — — — — — — — — — — — — 1974 1693 122.1 — — — — — -7 — 50.0% +0.07 4–0 (100%) — — +0.59
33 — — — — — — — — — — — — — — — — 1976 1672 101.0 — — — — — — — 33.3% -1.67 0–1 — — +0.14
Career — 1500 84.2 — — — — — -69 — 15.8% -2.71 1–8 (11%) — — +4.76 — 1807 135.2 — — — — +24 -25 -60 52.7% +0.30 18–17 (51%) 0–4 (0%) 98.8 +0.59

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.