H2H data updated: 2026-09-11 00:00 UTC

Kathrin Keil vs Sabine Hack H2H: 1-0

Kathrin Keil holds a 1–0 lead over Sabine Hack in their WTA head-to-head. Across 1 main-draw meeting, Kathrin Keil leads 1–0 on clay. Most recently, Kathrin Keil won the 1986 São Paulo Open round of 64 6-1 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.

Kathrin Keil
USA Age 63
H2H
1 – 0
1 main-draw meetings
Sabine Hack
GER Age 57 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kathrin Keil 6-1 6-4 Sabine Hack #262 Match data Dec 10, 1986* R64 São Paulo Open 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
Kathrin Keil — — — 1,703 45 55 45.0% 0 0 0 0 0 0
Sabine Hack #523 #13 577 1,997 180 135 57.1% 0 0 0 1 4 5

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 Kathrin Keil Sabine Hack
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 — — — — — — — 1985 5–1 83.3% — 1,559 0 1
16 — — — — — — — 1986 2–5 28.6% #262 1,524 0 1
17 1980 5–2 71.4% — 1,599 0 0 1987 1–2 33.3% #246 1,520 0 1
18 1981 9–8 52.9% — 1,616 0 0 1988 5–4 55.6% #146 1,560 0 1
19 1982 3–2 60.0% — 1,637 0 0 1989 12–13 48.0% #74 1,593 0 1
20 1983 0–1 0.0% — 1,633 0 0 1990 16–13 55.2% #45 1,626 0 1
21 1984 6–8 42.9% — 1,601 0 0 1991 17–15 53.1% #59 1,677 0 2
22 1985 0–1 0.0% — 1,586 0 0 1992 21–14 60.0% #35 1,777 0 2
23 1986 4–2 66.7% — 1,605 0 0 1993 30–16 65.2% #24 1,854 0 3
24 1987 14–16 46.7% — 1,630 0 0 1994 31–18 63.3% #19 1,831 0 4
25 1988 3–11 21.4% — 1,579 0 0 1995 20–16 55.6% #40 1,729 0 5
26 1989 1–4 20.0% — 1,535 0 0 1996 19–15 55.9% #43 1,706 0 5
27 — — — — — — — 1997 1–3 25.0% #523 1,648 0 5

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 Kathrin Keil Sabine Hack
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 %
15 — — — — — — — — — — — — — — — — — 1985 — — — — — — — — — — — — 0 1 1 0.0%
16 — — — — — — — — — — — — — — — — — 1986 — — — — 2 5 7 28.6% — — — — — — — —
17 1980 5 2 7 71.4% — — — — — — — — — — — — 1987 — — — — 1 2 3 33.3% — — — — — — — —
18 1981 1 3 4 25.0% 1 1 2 50.0% — — — — — — — — 1988 1 1 2 50.0% 4 3 7 57.1% — — — — — — — —
19 1982 — — — — 3 2 5 60.0% — — — — — — — — 1989 0 1 1 0.0% 10 10 20 50.0% — — — — 2 2 4 50.0%
20 1983 — — — — — — — — — — — — 0 1 1 0.0% 1990 2 4 6 33.3% 14 9 23 60.9% — — — — — — — —
21 1984 6 4 10 60.0% 0 4 4 0.0% — — — — — — — — 1991 5 8 13 38.5% 12 7 19 63.2% — — — — — — — —
22 1985 0 1 1 0.0% — — — — — — — — — — — — 1992 8 6 14 57.1% 12 7 19 63.2% 1 1 2 50.0% — — — —
23 1986 — — — — 4 2 6 66.7% — — — — — — — — 1993 4 6 10 40.0% 26 8 34 76.5% 0 1 1 0.0% 0 1 1 0.0%
24 1987 11 8 19 57.9% 0 1 1 0.0% 1 4 5 20.0% 2 3 5 40.0% 1994 9 9 18 50.0% 22 6 28 78.6% 0 1 1 0.0% 0 2 2 0.0%
25 1988 3 10 13 23.1% 0 1 1 0.0% — — — — — — — — 1995 6 6 12 50.0% 14 9 23 60.9% — — — — 0 1 1 0.0%
26 1989 1 4 5 20.0% — — — — — — — — — — — — 1996 6 7 13 46.2% 13 8 21 61.9% — — — — — — — —
27 — — — — — — — — — — — — — — — — — 1997 1 3 4 25.0% — — — — — — — — — — — —
Career — 27 32 59 45.8% 8 11 19 42.1% 1 4 5 20.0% 2 4 6 33.3% — 42 51 93 45.2% 130 74 204 63.7% 1 3 4 25.0% 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 Kathrin Keil Sabine Hack
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
15 — — — — — — — — — — — — — — — — 1985 1559 112.1 — — — — — — — 83.3% +2.42 — 1–0 — +0.53
16 — — — — — — — — — — — — — — — — 1986 1524 94.5 — — — — — -21 — 31.3% -1.56 1–1 — — +0.53
17 1980 1600 130.2 — — — — +65 — — 64.7% +1.29 2–1 (67%) 0–1 — -0.44 1987 1520 105.2 — — — — — -26 — 33.3% -0.67 — 0–1 — +0.06
18 1981 1616 117.2 — — — — +61 — — 52.4% -0.12 4–4 (50%) 4–1 (80%) 101.5 -0.42 1988 1561 103.4 — — — — — -20 — 47.6% +0.09 3–0 (100%) 0–1 — +1.29
19 1982 1637 111.3 — — — — — -54 — 53.8% +0.15 2–1 (67%) 1–0 — -0.08 1989 1593 127.3 — — — — -74 +23 — 49.0% +0.43 2–3 (40%) 2–3 (40%) 99.2 +1.67
20 1983 1634 108.6 — — — — — — — 33.3% -2.67 0–1 1–0 — -0.21 1990 1626 127.7 — — — — -106 +62 — 59.1% +0.62 1–7 (13%) 2–2 (50%) 92.0 +1.79
21 1984 1602 104.8 — — — — +49 -40 — 42.4% -0.55 3–2 (60%) 2–3 (40%) 100.2 +1.11 1991 1678 129.4 — — — — -149 +100 — 59.0% +0.72 1–4 (20%) 4–0 (100%) 100.1 +1.26
22 1985 1587 98.4 — — — — — — — 0.0% -3.50 — — — +0.09 1992 1777 140.5 — — — — -143 +86 — 57.9% +0.38 4–2 (67%) 2–3 (40%) 103.6 -0.37
23 1986 1606 111.2 — — — — — -14 — 69.2% +1.23 0–1 1–0 — +1.24 1993 1855 149.1 — — — — -246 +134 — 62.5% +1.13 6–6 (50%) 6–2 (75%) 102.9 +0.76
24 1987 1631 122.6 — — — — +57 — -81 43.3% -0.61 6–3 (67%) 4–4 (50%) 103.7 +0.32 1994 1832 155.9 — — — — -190 +246 — 60.4% +0.86 8–5 (62%) 4–7 (36%) 101.9 -0.10
25 1988 1579 111.1 — — — — +11 — — 28.1% -1.84 2–2 (50%) 1–0 — -1.26 1995 1730 134.7 — — — — -114 +234 — 55.0% +0.44 4–4 (50%) 2–3 (40%) 96.1 +0.82
26 1989 1536 97.2 — — — — -1 — — 25.0% -1.08 1–1 0–3 (0%) — +0.46 1996 1706 138.2 — — — — -80 +168 — 55.6% +0.71 4–4 (50%) 0–4 (0%) 96.8 -0.21
27 — — — — — — — — — — — — — — — — 1997 1648 95.6 — — — — -64 — — 33.3% -1.89 0–1 1–0 — +0.45
Career — 1704 122.0 — — — — +43 -34 -81 44.9% -0.47 20–16 (56%) 14–12 (54%) 103.5 +0.81 — 1998 143.8 — — — — -144 +125 — 56.9% +0.61 34–37 (48%) 24–26 (48%) 99.0 +2.71

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.