H2H data updated: 2026-10-29 00:00 UTC

Kathy Horvath vs Joyce Portman H2H: 1-0

Kathy Horvath holds a 1–0 lead over Joyce Portman in their WTA head-to-head. Across 1 main-draw meeting, Kathy Horvath leads 1–0 on clay. Most recently, Kathy Horvath won the 1982 Amelia Island Championships round of 64 6-1 6-0.

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Kathy Horvath
USA Age 61 Right-Handed 170 cm / 5'7"
H2H
1 – 0
1 main-draw meetings
Joyce Portman
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kathy Horvath 6-1 6-0 Joyce Portman Match data Apr 21, 1982* R64 Amelia Island Championships 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
Kathy Horvath — #10 24 1,976 187 155 54.7% 0 0 0 0 7 7
Joyce Portman — — — 1,650 17 30 36.2% 0 0 0 0 0 0

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 Kathy Horvath Joyce Portman
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
13 1979 0–2 0.0% — 1,496 0 0 — — — — — — —
14 1980 6–7 46.2% — 1,565 0 0 — — — — — — —
15 1981 34–23 59.6% — 1,860 0 2 — — — — — — —
16 1982 15–17 46.9% — 1,776 0 2 — — — — — — —
17 1983 39–18 68.4% — 1,931 0 4 — — — — — — —
18 1984 25–19 56.8% #29 1,800 0 4 — — — — — — —
19 1985 23–16 59.0% — 1,776 0 6 — — — — — — —
20 1986 16–15 51.6% #47 1,740 0 6 1978 0–1 0.0% — 1,484 0 0
21 1987 18–15 54.5% #37 1,714 0 7 1979 1–1 50.0% — 1,504 0 0
22 1988 9–15 37.5% #85 1,603 0 7 1980 6–9 40.0% — 1,520 0 0
23 1989 2–8 20.0% #224 1,529 0 7 1981 10–17 37.0% — 1,547 0 0
24 — — — — — — — 1982 0–2 0.0% — 1,534 0 0

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 Kathy Horvath Joyce Portman
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 %
13 1979 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
14 1980 5 4 9 55.6% 1 3 4 25.0% — — — — — — — — — — — — — — — — — — — — — — — — —
15 1981 7 4 11 63.6% 15 8 23 65.2% — — — — 12 11 23 52.2% — — — — — — — — — — — — — — — — —
16 1982 0 2 2 0.0% 13 6 19 68.4% 0 2 2 0.0% 2 7 9 22.2% — — — — — — — — — — — — — — — — —
17 1983 9 4 13 69.2% 21 11 32 65.6% — — — — 9 3 12 75.0% — — — — — — — — — — — — — — — — —
18 1984 0 5 5 0.0% 21 9 30 70.0% 1 1 2 50.0% 3 4 7 42.9% — — — — — — — — — — — — — — — — —
19 1985 6 5 11 54.5% 17 7 24 70.8% — — — — 0 4 4 0.0% — — — — — — — — — — — — — — — — —
20 1986 8 7 15 53.3% 4 4 8 50.0% 2 1 3 66.7% 2 3 5 40.0% — — — — — — — — — — — — — — — — —
21 1987 6 6 12 50.0% 12 8 20 60.0% 0 1 1 0.0% — — — — 1979 — — — — 1 1 2 50.0% — — — — — — — —
22 1988 2 5 7 28.6% 7 9 16 43.8% 0 1 1 0.0% — — — — 1980 1 5 6 16.7% 2 1 3 66.7% — — — — 0 2 2 0.0%
23 1989 2 6 8 25.0% 0 2 2 0.0% — — — — — — — — 1981 3 7 10 30.0% 7 6 13 53.8% 0 1 1 0.0% 0 3 3 0.0%
24 — — — — — — — — — — — — — — — — — 1982 — — — — 0 2 2 0.0% — — — — — — — —
Career — 45 50 95 47.4% 111 67 178 62.4% 3 6 9 33.3% 28 32 60 46.7% — 4 12 16 25.0% 10 10 20 50.0% 0 1 1 0.0% 0 5 5 0.0%

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 Kathy Horvath Joyce Portman
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
13 1979 1497 113.4 — — — — — — — 20.0% -2.20 0–1 0–1 — -0.25 — — — — — — — — — — — — — — — —
14 1980 1565 110.9 — — — — +47 -65 — 43.3% -0.37 3–1 (75%) 1–3 (25%) 101.9 -0.11 — — — — — — — — — — — — — — — —
15 1981 1860 146.7 — — — — -39 -79 — 55.9% +0.43 12–7 (63%) 7–5 (58%) 109.3 +0.11 — — — — — — — — — — — — — — — —
16 1982 1776 143.4 — — — — -40 +61 — 52.9% +0.46 1–7 (13%) 2–3 (40%) 92.6 -3.75 — — — — — — — — — — — — — — — —
17 1983 1931 149.2 — — — — -63 +56 — 63.7% +0.74 9–3 (75%) 11–6 (65%) 109.3 +1.20 — — — — — — — — — — — — — — — —
18 1984 1800 146.8 — — — — -83 +207 — 56.1% +0.43 5–5 (50%) 3–7 (30%) 94.7 +0.22 — — — — — — — — — — — — — — — —
19 1985 1776 138.1 — — — — -111 +221 — 55.8% +0.24 6–2 (75%) 5–2 (71%) 104.1 -0.66 — — — — — — — — — — — — — — — —
20 1986 1740 130.5 — — — — -74 +185 -139 48.6% -0.18 7–3 (70%) 3–3 (50%) 104.3 -1.03 1978 1485 98.2 — — — — — — — 0.0% -2.50 — — — +0.08
21 1987 1714 126.0 — — — — -42 +149 — 54.1% +0.18 6–4 (60%) 3–2 (60%) 101.2 +3.31 1979 1504 114.2 — — — — — — — 50.0% +1.00 — — — -0.10
22 1988 1603 116.3 — — — — +8 +113 — 41.5% -0.64 1–4 (20%) 2–2 (50%) 94.3 +0.35 1980 1521 109.4 — — — — -36 +64 — 44.1% -0.91 1–3 (25%) 1–1 — -0.32
23 1989 1530 101.0 — — — — +18 — — 33.3% -1.38 0–3 (0%) 2–2 (50%) 95.4 +0.25 1981 1548 121.7 — — — — -64 +139 — 43.1% -0.41 1–6 (14%) 0–3 (0%) 92.6 +0.87
24 — — — — — — — — — — — — — — — — 1982 1534 90.0 — — — — — — — 0.0% -5.25 — — — -0.31
Career — 1976 144.1 — — — — -48 +106 -139 53.7% +0.21 50–40 (56%) 39–36 (52%) 103.7 -0.11 — 1650 115.9 — — — — -53 +125 — 41.2% -0.75 2–9 (18%) 1–4 (20%) 91.6 +0.47

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.