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

Kathleen Harter vs Laura Rossouw H2H: 1-0

Kathleen Harter holds a 1–0 lead over Laura Rossouw in their WTA head-to-head. Across 1 main-draw meeting, Kathleen Harter leads 1–0 on grass. Most recently, Kathleen Harter won the 1968 Chestnut Hill round of 64 6-3 6-4.

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

Kathleen Harter
USA Age 79
H2H
1 – 0
1 main-draw meetings
Laura Rossouw
RSA Age 80

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kathleen Harter 6-3 6-4 Laura Rossouw Match data Aug 21, 1968* R64 Chestnut Hill 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
Kathleen Harter — — — 1,746 106 103 50.7% 0 0 0 0 2 2
Laura Rossouw — — — 1,786 119 128 48.2% 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 Kathleen Harter Laura Rossouw
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
21 1968 40–22 64.5% — 1,690 0 0 1968 21–20 51.2% — 1,571 0 0
22 1969 1–1 50.0% — 1,685 0 0 1969 12–18 40.0% — 1,547 0 0
23 1970 23–20 53.5% — 1,678 0 0 1970 18–17 51.4% — 1,682 0 0
24 1971 9–2 81.8% — 1,732 0 2 1971 29–21 58.0% — 1,747 0 0
25 — — — — — — — 1972 19–21 47.5% — 1,697 0 1
26 — — — — — — — 1973 17–26 39.5% — 1,732 0 1
27 1974 4–5 44.4% — 1,729 0 2 1974 3–5 37.5% — 1,690 0 1
28 1975 6–8 42.9% — 1,664 0 2 — — — — — — —
29 1976 9–16 36.0% — 1,615 0 2 — — — — — — —
30 1977 12–20 37.5% — 1,644 0 2 — — — — — — —
31 1978 2–9 18.2% — 1,591 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 Kathleen Harter Laura Rossouw
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 %
21 1968 12 5 17 70.6% 11 6 17 64.7% 16 9 25 64.0% 1 2 3 33.3% 1968 5 5 10 50.0% 9 7 16 56.3% 7 8 15 46.7% — — — —
22 1969 1 1 2 50.0% — — — — — — — — — — — — 1969 3 4 7 42.9% 8 11 19 42.1% 1 3 4 25.0% — — — —
23 1970 6 4 10 60.0% 7 7 14 50.0% 8 8 16 50.0% — — — — 1970 2 3 5 40.0% 9 9 18 50.0% 7 5 12 58.3% — — — —
24 1971 1 1 2 50.0% — — — — 8 1 9 88.9% — — — — 1971 2 3 5 40.0% 15 10 25 60.0% 12 8 20 60.0% — — — —
25 — — — — — — — — — — — — — — — — — 1972 5 5 10 50.0% 10 10 20 50.0% 4 6 10 40.0% — — — —
26 — — — — — — — — — — — — — — — — — 1973 9 8 17 52.9% 5 10 15 33.3% 2 4 6 33.3% 1 4 5 20.0%
27 1974 2 2 4 50.0% 1 1 2 50.0% 0 1 1 0.0% 1 1 2 50.0% 1974 — — — — 0 1 1 0.0% 0 1 1 0.0% — — — —
28 1975 — — — — 1 1 2 50.0% 3 2 5 60.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
29 1976 0 1 1 0.0% 3 9 12 25.0% 5 5 10 50.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — —
30 1977 2 4 6 33.3% 2 6 8 25.0% 5 7 12 41.7% 3 3 6 50.0% — — — — — — — — — — — — — — — — —
31 1978 1 2 3 33.3% 0 1 1 0.0% 1 2 3 33.3% 0 4 4 0.0% — — — — — — — — — — — — — — — — —
Career — 25 20 45 55.6% 25 31 56 44.6% 46 35 81 56.8% 6 12 18 33.3% — 26 28 54 48.1% 56 58 114 49.1% 33 35 68 48.5% 1 4 5 20.0%

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 Kathleen Harter Laura Rossouw
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
21 1968 1691 124.1 — — — — +5 -60 +10 63.4% +1.09 6–5 (55%) — — 0.00 1968 1571 117.3 — — — — -20 +24 -49 50.0% +0.22 4–4 (50%) — — -1.27
22 1969 1686 102.9 — — — — — — — 40.0% -0.20 1–0 — — +0.23 1969 1547 110.8 — — — — +23 -2 -36 40.0% -0.57 3–4 (43%) — — -0.95
23 1970 1678 122.9 — — — — +41 -69 +30 53.1% +0.10 5–7 (42%) 2–0 — +0.91 1970 1682 127.3 — — — — -124 -39 -56 47.6% -0.21 9–5 (64%) — — -1.78
24 1971 1732 126.5 — — — — — — +71 79.2% +2.54 1–1 — — +2.89 1971 1747 133.0 — — — — -202 +50 -66 53.6% +0.33 10–6 (63%) 3–1 (75%) 108.8 +1.97
25 — — — — — — — — — — — — — — — — 1972 1697 127.1 — — — — -79 +35 -44 45.9% -0.20 4–3 (57%) 1–1 — -0.60
26 — — — — — — — — — — — — — — — — 1973 1732 135.0 — — — — -16 -33 -75 38.2% -1.07 11–5 (69%) 6–5 (55%) 109.2 -5.17
27 1974 1729 112.1 — — — — -17 — — 42.1% -1.16 1–2 (33%) 1–0 — -0.51 1974 1690 119.0 — — — — — — — 41.2% -0.59 0–1 1–0 — -1.06
28 1975 1665 112.0 — — — — — — +97 44.1% -0.82 3–3 (50%) 1–1 — +0.39 — — — — — — — — — — — — — — — —
29 1976 1615 122.9 — — — — +60 -57 +152 41.7% -0.45 3–7 (30%) 4–5 (44%) 95.7 +0.03 — — — — — — — — — — — — — — — —
30 1977 1644 127.2 — — — — +49 -96 +72 37.5% -0.88 5–3 (63%) 2–4 (33%) 101.5 +0.34 — — — — — — — — — — — — — — — —
31 1978 1592 110.8 — — — — +42 — +109 24.0% -1.40 1–2 (33%) 1–5 (17%) 95.6 -0.07 — — — — — — — — — — — — — — — —
Career — 1746 127.1 — — — — +25 -67 +57 50.6% +0.08 26–30 (46%) 11–15 (42%) 95.9 +2.03 — 1786 130.3 — — — — -48 +10 -56 46.1% -0.24 41–28 (59%) 11–7 (61%) 113.2 -3.63

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.