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

Diane Morrison vs Claudia Casabianca H2H: 1-1 (incl. walkovers)

Diane Morrison vs Claudia Casabianca: 0–1 excluding walkovers; 1–1 including 1 walkover. Across 2 main-draw results including walkovers, Claudia Casabianca leads 1–0 on grass. Most recently, Diane Morrison won the 1981 Porto Alegre quarterfinal W/O.

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Diane Morrison
USA Age 68
H2H including walkovers
1 – 1
2 main-draw results
Claudia Casabianca
ARG Age 66

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Diane Morrison (w/o) Claudia Casabianca Match data Apr 11, 1981* QF Porto Alegre WTA 250 —
Claudia Casabianca 6-0 7-6 Diane Morrison Match data Jun 10, 1980* R64 Chichester 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
Diane Morrison — — — 1,694 41 43 48.8% 0 0 0 0 1 1
Claudia Casabianca — — — 1,670 28 26 51.9% 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 Diane Morrison Claudia Casabianca
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
14 1973 2–1 66.7% — 1,520 0 0 — — — — — — —
15 1974 0–1 0.0% — 1,504 0 0 1975 0–1 0.0% — 1,481 0 0
17 — — — — — — — 1977 0–1 0.0% — 1,475 0 0
18 1977 1–1 50.0% — 1,507 0 0 1978 0–6 0.0% — 1,441 0 0
19 — — — — — — — 1979 1–1 50.0% — 1,451 0 0
20 1979 17–11 60.7% — 1,675 0 1 1980 20–11 64.5% — 1,619 0 2
21 1980 9–22 29.0% — 1,593 0 1 1981 7–6 53.8% — 1,639 0 2
22 1981 12–7 63.2% — 1,636 0 1 — — — — — — —

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 Diane Morrison Claudia Casabianca
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 %
14 1973 2 1 3 66.7% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
15 1974 0 1 1 0.0% — — — — — — — — — — — — 1975 — — — — 0 1 1 0.0% — — — — — — — —
17 — — — — — — — — — — — — — — — — — 1977 — — — — 0 1 1 0.0% — — — — — — — —
18 — — — — — — — — — — — — — — — — — 1978 0 1 1 0.0% 0 3 3 0.0% 0 1 1 0.0% — — — —
19 — — — — — — — — — — — — — — — — — 1979 — — — — — — — — 1 1 2 50.0% — — — —
20 1979 2 2 4 50.0% 6 1 7 85.7% 6 6 12 50.0% 1 1 2 50.0% 1980 1 3 4 25.0% 9 4 13 69.2% 1 1 2 50.0% — — — —
21 1980 1 8 9 11.1% 0 2 2 0.0% 7 6 13 53.8% 1 6 7 14.3% 1981 — — — — 0 1 1 0.0% 0 1 1 0.0% — — — —
22 1981 1 1 2 50.0% — — — — 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — —
Career — 6 13 19 31.6% 6 3 9 66.7% 14 14 28 50.0% 2 7 9 22.2% — 1 4 5 20.0% 9 10 19 47.4% 2 4 6 33.3% — — — —

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 Diane Morrison Claudia Casabianca
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
14 1973 1521 107.5 — — — — +81 — — 57.1% +1.28 1–0 0–1 — +0.85 — — — — — — — — — — — — — — — —
15 1974 1504 99.5 — — — — — — — 33.3% -1.00 0–1 — — +0.26 1975 1482 97.3 — — — — — — — 33.3% -1.67 0–1 1–0 — +0.32
17 — — — — — — — — — — — — — — — — 1977 1476 103.1 — — — — — — — 33.3% -1.67 0–1 — — -0.01
18 1977 1508 111.9 — — — — — — — 60.0% +1.60 0–1 — — +0.04 1978 1442 112.9 — — — — — +17 — 14.3% -2.22 0–2 0–1 — -0.56
19 — — — — — — — — — — — — — — — — 1979 1451 101.2 — — — — — — — 50.0% +0.67 1–1 — — +0.26
20 1979 1676 136.8 — — — — -18 -22 -41 59.0% +1.03 3–2 (60%) 0–2 — +1.94 1980 1620 134.1 — — — — -69 -64 — 61.8% +1.16 4–4 (50%) 2–1 (67%) 102.7 +0.11
21 1980 1594 117.4 — — — — -123 — +90 31.9% -1.27 3–4 (43%) 3–4 (43%) 96.1 -0.03 1981 1639 130.2 — — — — — — — 57.7% +0.88 1–1 0–1 — -0.46
22 1981 1636 124.3 — — — — — — +32 61.5% +0.95 2–2 (50%) 2–0 — -0.38 — — — — — — — — — — — — — — — —
Career — 1694 129.4 — — — — -73 -22 +28 48.9% +0.14 9–10 (47%) 5–7 (42%) 96.9 +3.23 — 1670 131.3 — — — — -69 -49 — 53.3% +0.54 6–10 (38%) 3–3 (50%) 98.4 -0.65

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.