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

Kathy Horvath vs Lorna Zietsman H2H: 1-0

Kathy Horvath holds a 1–0 lead over Lorna Zietsman in their WTA head-to-head. Across 1 main-draw meeting, Kathy Horvath leads 1–0 on hard courts. Most recently, Kathy Horvath won the 1981 South African Open round of 16 6-1 6-1.

USA Age 61 Right-Handed 170 cm / 5'7"
H2H
1 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kathy Horvath 6-1 6-1 Lorna Zietsman Match data Nov 29, 1981* R16 South African Open WTA 250 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
Kathy Horvath #283 #10 24 1,975 187 155 54.7% 0 0 0 0 7 7
Lorna Zietsman 1,520 2 2 50.0% 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.

Kathy Horvath Lorna Zietsman
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1979 0–2 0.0% 1,496 0 0 1979 1–1 50.0% 1,505 0 0
1980 6–7 46.2% 1,563 0 0 1981 1–1 50.0% 1,515 0 0
1981 34–23 59.6% 1,858 0 2
1982 15–17 46.9% 1,775 0 2
1983 39–18 68.4% 1,930 0 4
1984 25–19 56.8% #29 1,799 0 4
1985 23–16 59.0% #34 1,775 0 6
1986 16–15 51.6% #47 1,739 0 6
1987 18–15 54.5% #37 1,714 0 7
1988 9–15 37.5% #85 1,602 0 7
1989 2–8 20.0% #224 1,529 0 7

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Kathy Horvath Lorna Zietsman
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 %
1979 0 2 2 0.0% 1979 1 1 2 50.0%
1980 5 4 9 55.6% 1 3 4 25.0% 1981 1 1 2 50.0%
1981 7 4 11 63.6% 15 8 23 65.2% 12 11 23 52.2%
1982 0 2 2 0.0% 13 6 19 68.4% 0 2 2 0.0% 2 7 9 22.2%
1983 9 4 13 69.2% 21 11 32 65.6% 9 3 12 75.0%
1984 0 5 5 0.0% 21 9 30 70.0% 1 1 2 50.0% 3 4 7 42.9%
1985 6 5 11 54.5% 17 7 24 70.8% 0 4 4 0.0%
1986 8 7 15 53.3% 4 4 8 50.0% 2 1 3 66.7% 2 3 5 40.0%
1987 6 6 12 50.0% 12 8 20 60.0% 0 1 1 0.0%
1988 2 5 7 28.6% 7 9 16 43.8% 0 1 1 0.0%
1989 2 6 8 25.0% 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% Career 2 2 4 50.0%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Kathy Horvath Lorna Zietsman
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
1979 1497 113.4 20.0% -2.20 0–1 0–1 -0.25 1979 1505 96.8 50.0% -1.50 +0.53
1980 1563 110.2 +45 -63 43.3% -0.37 3–1 (75%) 1–3 (25%) 102.0 -0.09 1981 1516 97.6 50.0% -1.75 1–0 +0.22
1981 1859 146.5 -40 -79 56.3% +0.44 11–7 (61%) 7–5 (58%) 108.4 +0.14
1982 1775 143.3 -40 +62 52.9% +0.46 1–7 (13%) 2–3 (40%) 92.6 -4.36
1983 1931 149.2 -65 +55 63.7% +0.74 9–3 (75%) 11–6 (65%) 109.3 +1.14
1984 1799 146.8 -83 +206 56.1% +0.43 5–5 (50%) 3–7 (30%) 94.7 +0.34
1985 1776 138.0 -112 +220 55.8% +0.24 6–2 (75%) 5–2 (71%) 104.1 -0.67
1986 1740 130.3 -73 +184 -140 48.6% -0.18 7–3 (70%) 3–3 (50%) 104.3 -1.58
1987 1714 125.9 -43 +149 54.1% +0.18 6–4 (60%) 3–2 (60%) 101.2 +3.16
1988 1603 116.3 +7 +113 41.5% -0.64 1–4 (20%) 2–2 (50%) 94.3 +0.35
1989 1530 101.0 +17 33.3% -1.38 0–3 (0%) 2–2 (50%) 95.4 +0.29
Career 1976 144.0 -49 +106 -140 53.7% +0.21 49–40 (55%) 39–36 (52%) 103.2 -0.45 Career 1521 97.2 50.0% -1.63 1–0 +18.75

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.