H2H data updated: 2026-09-10 00:00 UTC

Amanda Tobin vs Diane Morrison H2H: 0-1

Diane Morrison holds a 1–0 lead over Amanda Tobin in their WTA head-to-head. Across 1 main-draw meeting, Diane Morrison leads 1–0 on hard courts. Most recently, Diane Morrison won the 1979 US Open round of 64 6-2 6-2.

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Amanda Tobin
AUS Age 66 Right-Handed 168 cm / 5'6"
H2H
0 – 1
1 main-draw meetings
Diane Morrison
USA Age 68

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Diane Morrison 6-2 6-2 Amanda Tobin Match data Aug 31, 1979* R64 US Open Grand Slam Hard

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
Amanda Tobin #351 #138 4 1,632 45 77 36.9% 0 0 0 0 3 3
Diane Morrison — — — 1,694 41 43 48.8% 0 0 0 0 1 1

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 Amanda Tobin Diane Morrison
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
16 1976 2–1 66.7% — 1,537 0 0 — — — — — — —
17 1977 3–5 37.5% — 1,535 0 0 — — — — — — —
18 1978 8–10 44.4% — 1,558 0 0 1977 1–1 50.0% — 1,507 0 0
19 1979 2–6 25.0% — 1,503 0 0 — — — — — — —
20 1980 6–9 40.0% — 1,564 0 0 1979 17–11 60.7% — 1,675 0 1
21 1981 7–6 53.8% — 1,612 0 2 1980 9–22 29.0% — 1,593 0 1
22 1982 5–7 41.7% — 1,604 0 3 1981 12–7 63.2% — 1,636 0 1
23 1983 2–5 28.6% — 1,604 0 3 — — — — — — —
24 1984 0–4 0.0% — 1,521 0 3 — — — — — — —
25 1985 3–5 37.5% — 1,560 0 3 — — — — — — —
26 1986 5–13 27.8% #138 1,505 0 3 — — — — — — —
27 1987 2–5 28.6% #210 1,472 0 3 — — — — — — —
28 1988 0–1 0.0% #351 1,457 0 3 — — — — — — —

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 Amanda Tobin Diane Morrison
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% — — — — — — — — — — — —
16 1976 — — — — — — — — 2 1 3 66.7% — — — — — — — — — — — — — — — — — — — — —
17 1977 — — — — — — — — 3 5 8 37.5% — — — — — — — — — — — — — — — — — — — — —
18 1978 2 1 3 66.7% 2 2 4 50.0% 4 7 11 36.4% — — — — — — — — — — — — — — — — — — — — —
19 1979 0 2 2 0.0% — — — — 2 4 6 33.3% — — — — — — — — — — — — — — — — — — — — —
20 1980 — — — — 0 1 1 0.0% 6 8 14 42.9% — — — — 1979 2 2 4 50.0% 6 1 7 85.7% 6 6 12 50.0% 1 1 2 50.0%
21 1981 — — — — 0 2 2 0.0% 1 4 5 20.0% — — — — 1980 1 8 9 11.1% 0 2 2 0.0% 7 6 13 53.8% 1 6 7 14.3%
22 1982 0 1 1 0.0% 1 2 3 33.3% 3 4 7 42.9% — — — — 1981 1 1 2 50.0% — — — — 1 2 3 33.3% — — — —
23 1983 0 1 1 0.0% — — — — 2 4 6 33.3% — — — — — — — — — — — — — — — — — — — — —
24 1984 0 2 2 0.0% 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
25 1985 1 1 2 50.0% — — — — 2 3 5 40.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
26 1986 4 5 9 44.4% 0 2 2 0.0% 0 3 3 0.0% 1 3 4 25.0% — — — — — — — — — — — — — — — — —
27 1987 2 2 4 50.0% — — — — 0 3 3 0.0% — — — — — — — — — — — — — — — — — — — — —
28 1988 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 9 16 25 36.0% 3 10 13 23.1% 25 47 72 34.7% 1 4 5 20.0% — 6 13 19 31.6% 6 3 9 66.7% 14 14 28 50.0% 2 7 9 22.2%

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 Amanda Tobin Diane Morrison
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
16 1976 1537 111.2 — — — — — — +75 50.0% +1.00 2–0 0–1 — +0.21 — — — — — — — — — — — — — — — —
17 1977 1536 103.1 — — — — — — +15 37.5% -0.63 — 0–1 — +0.67 — — — — — — — — — — — — — — — —
18 1978 1559 119.3 — — — — +90 -3 -15 45.7% -0.29 1–2 (33%) 0–1 — +1.52 1977 1508 111.9 — — — — — — — 60.0% +1.60 0–1 — — +0.04
19 1979 1503 92.9 — — — — — — +19 31.6% -1.37 1–2 (33%) 2–0 — +1.72 — — — — — — — — — — — — — — — —
20 1980 1564 108.2 — — — — — — -6 45.2% -0.29 1–2 (33%) 4–2 (67%) 101.0 +0.09 1979 1676 136.8 — — — — -18 -22 -41 59.0% +1.03 3–2 (60%) 0–2 — +1.94
21 1981 1613 117.9 — — — — — — -50 61.5% +0.73 0–2 1–0 — +0.39 1980 1594 117.4 — — — — -123 — +90 31.9% -1.27 3–4 (43%) 3–4 (43%) 96.1 -0.03
22 1982 1604 110.0 — — — — — -112 -1 41.7% -0.67 — 1–2 (33%) — +0.66 1981 1636 124.3 — — — — — — +32 61.5% +0.95 2–2 (50%) 2–0 — -0.38
23 1983 1605 115.8 — — — — — — -9 41.2% -0.24 0–3 (0%) 2–0 — -0.63 — — — — — — — — — — — — — — — —
24 1984 1521 88.1 — — — — — — — 0.0% -3.00 — — — +1.02 — — — — — — — — — — — — — — — —
25 1985 1561 124.2 — — — — -49 — +40 45.0% +0.05 1–3 (25%) 1–1 — -0.17 — — — — — — — — — — — — — — — —
26 1986 1505 106.5 — — — — +11 — +56 27.0% -2.03 1–2 (33%) 3–0 (100%) 101.6 +1.27 — — — — — — — — — — — — — — — —
27 1987 1473 97.7 — — — — +35 — +9 44.4% -0.17 0–4 (0%) 1–1 — +0.93 — — — — — — — — — — — — — — — —
28 1988 1457 97.6 — — — — — — — 0.0% -3.00 — — — +0.22 — — — — — — — — — — — — — — — —
Career — 1632 114.9 — — — — +18 -50 +4 40.6% -0.60 7–20 (26%) 15–9 (63%) 98.0 +6.64 — 1694 129.4 — — — — -73 -22 +28 48.9% +0.14 9–10 (47%) 5–7 (42%) 96.9 +3.23

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.