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

Louise Allen vs Kathrin Keil H2H: 0-1

Kathrin Keil holds a 1–0 lead over Louise Allen in their WTA head-to-head. They have met 1 times in main draws. Most recently, Kathrin Keil won the 1981 Lakewood quarterfinal 7-6 6-4.

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Louise Allen
USA Age 64
H2H
0 – 1
1 main-draw meetings
Kathrin Keil
USA Age 63

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kathrin Keil 7-6 6-4 Louise Allen Match data Jul 12, 1981* QF Lakewood WTA 250 —

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
Louise Allen — — — 1,758 67 100 40.1% 0 0 0 0 3 3
Kathrin Keil — — — 1,703 45 55 45.0% 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.

Age Louise Allen Kathrin Keil
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 1980 5–2 71.4% — 1,599 0 0
18 1980 3–2 60.0% — 1,519 0 0 1981 9–8 52.9% — 1,616 0 0
19 1981 6–5 54.5% — 1,540 0 0 1982 3–2 60.0% — 1,637 0 0
20 1982 22–5 81.5% — 1,736 0 3 1983 0–1 0.0% — 1,633 0 0
21 1983 3–7 30.0% — 1,706 0 3 1984 6–8 42.9% — 1,601 0 0
22 1984 0–1 0.0% — 1,685 0 3 1985 0–1 0.0% — 1,586 0 0
23 — — — — — — — 1986 4–2 66.7% — 1,605 0 0
24 1986 0–4 0.0% — 1,611 0 3 1987 14–16 46.7% — 1,630 0 0
25 1987 3–8 27.3% — 1,564 0 3 1988 3–11 21.4% — 1,579 0 0
26 1988 5–8 38.5% — 1,584 0 3 1989 1–4 20.0% — 1,535 0 0
27 1989 9–15 37.5% — 1,561 0 3 — — — — — — —
28 1990 2–9 18.2% — 1,492 0 3 — — — — — — —
29 1991 2–8 20.0% — 1,453 0 3 — — — — — — —
30 1992 10–14 41.7% — 1,576 0 3 — — — — — — —
31 1993 2–14 12.5% — 1,451 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 Louise Allen Kathrin Keil
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 %
17 — — — — — — — — — — — — — — — — — 1980 5 2 7 71.4% — — — — — — — — — — — —
18 — — — — — — — — — — — — — — — — — 1981 1 3 4 25.0% 1 1 2 50.0% — — — — — — — —
19 1981 0 1 1 0.0% — — — — — — — — — — — — 1982 — — — — 3 2 5 60.0% — — — — — — — —
20 1982 13 4 17 76.5% 0 1 1 0.0% — — — — — — — — 1983 — — — — — — — — — — — — 0 1 1 0.0%
21 1983 1 1 2 50.0% 0 3 3 0.0% 2 3 5 40.0% — — — — 1984 6 4 10 60.0% 0 4 4 0.0% — — — — — — — —
22 1984 0 1 1 0.0% — — — — — — — — — — — — 1985 0 1 1 0.0% — — — — — — — — — — — —
23 — — — — — — — — — — — — — — — — — 1986 — — — — 4 2 6 66.7% — — — — — — — —
24 1986 0 2 2 0.0% 0 1 1 0.0% 0 1 1 0.0% — — — — 1987 11 8 19 57.9% 0 1 1 0.0% 1 4 5 20.0% 2 3 5 40.0%
25 1987 1 3 4 25.0% 2 2 4 50.0% 0 1 1 0.0% 0 2 2 0.0% 1988 3 10 13 23.1% 0 1 1 0.0% — — — — — — — —
26 1988 5 7 12 41.7% — — — — — — — — 0 1 1 0.0% 1989 1 4 5 20.0% — — — — — — — — — — — —
27 1989 8 12 20 40.0% 0 1 1 0.0% 1 1 2 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
28 1990 2 8 10 20.0% — — — — — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
29 1991 2 6 8 25.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
30 1992 7 5 12 58.3% 1 4 5 20.0% 2 3 5 40.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — —
31 1993 1 6 7 14.3% 1 2 3 33.3% 0 3 3 0.0% 0 3 3 0.0% — — — — — — — — — — — — — — — — —
Career — 40 56 96 41.7% 4 16 20 20.0% 5 12 17 29.4% 0 10 10 0.0% — 27 32 59 45.8% 8 11 19 42.1% 1 4 5 20.0% 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 Louise Allen Kathrin Keil
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
17 — — — — — — — — — — — — — — — — 1980 1600 130.2 — — — — +65 — — 64.7% +1.29 2–1 (67%) 0–1 — -0.44
18 1980 1520 102.6 — — — — — — — 60.0% +0.40 2–0 1–0 — +0.07 1981 1616 117.2 — — — — +61 — — 52.4% -0.12 4–4 (50%) 4–1 (80%) 101.5 -0.42
19 1981 1540 111.9 — — — — — — — 53.6% +0.64 3–3 (50%) 1–3 (25%) 98.7 -0.03 1982 1637 111.3 — — — — — -54 — 53.8% +0.15 2–1 (67%) 1–0 — -0.08
20 1982 1736 132.6 — — — — -16 — — 75.4% +2.03 5–2 (71%) 2–2 (50%) 103.9 +2.84 1983 1634 108.6 — — — — — — — 33.3% -2.67 0–1 1–0 — -0.21
21 1983 1706 117.7 — — — — — -183 -107 33.3% -1.67 0–1 1–1 — -0.80 1984 1602 104.8 — — — — +49 -40 — 42.4% -0.55 3–2 (60%) 2–3 (40%) 100.2 +1.11
22 1984 1686 96.2 — — — — — — — 33.3% -2.67 0–1 — — +0.11 1985 1587 98.4 — — — — — — — 0.0% -3.50 — — — +0.09
23 — — — — — — — — — — — — — — — — 1986 1606 111.2 — — — — — -14 — 69.2% +1.23 0–1 1–0 — +1.24
24 1986 1612 101.4 — — — — — — — 20.0% -1.50 0–2 0–2 — +0.38 1987 1631 122.6 — — — — +57 — -81 43.3% -0.61 6–3 (67%) 4–4 (50%) 103.7 +0.32
25 1987 1565 110.9 — — — — +20 -55 — 32.0% -1.28 1–2 (33%) 1–2 (33%) 97.0 +0.16 1988 1579 111.1 — — — — +11 — — 28.1% -1.84 2–2 (50%) 1–0 — -1.26
26 1988 1584 119.3 — — — — -2 — — 45.7% -0.20 3–6 (33%) 2–2 (50%) 97.4 -0.03 1989 1536 97.2 — — — — -1 — — 25.0% -1.08 1–1 0–3 (0%) — +0.46
27 1989 1561 113.9 — — — — -23 — — 43.1% -0.66 3–7 (30%) 5–2 (71%) 100.1 +0.22 — — — — — — — — — — — — — — — —
28 1990 1493 106.1 — — — — -19 — — 21.7% -1.39 0–1 0–3 (0%) — +0.64 — — — — — — — — — — — — — — — —
29 1991 1453 100.2 — — — — -9 — — 31.8% -1.54 1–3 (25%) 1–0 — +0.75 — — — — — — — — — — — — — — — —
30 1992 1576 125.0 — — — — +2 -118 -27 41.8% -0.80 4–3 (57%) 2–2 (50%) 103.6 -0.19 — — — — — — — — — — — — — — — —
31 1993 1452 91.9 — — — — +19 +6 +65 20.6% -2.12 1–3 (25%) 2–3 (40%) 96.2 +0.76 — — — — — — — — — — — — — — — —
Career — 1759 120.5 — — — — -7 -89 -37 43.6% -0.45 23–34 (40%) 18–22 (45%) 95.9 +2.92 — 1704 122.0 — — — — +43 -34 -81 44.9% -0.47 20–16 (56%) 14–12 (54%) 103.5 +0.81

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.