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

Sandra Kleinova vs Kimberly Po Messerli H2H: 1-0

Sandra Kleinova holds a 1–0 lead over Kimberly Po Messerli in their WTA head-to-head. Across 1 main-draw meeting, Sandra Kleinova leads 1–0 on hard courts. Most recently, Sandra Kleinova won the 1999 Japan Women's Open round of 16 7-5 4-6 6-3.

CZE Age 48 Right-Handed 177 cm / 5'10"
H2H
1 0
1 main-draw meetings
USA Age 54 Right-Handed 160 cm / 5'3"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Sandra Kleinova #125 7-5 4-6 6-3 Kimberly Po Messerli Match data Apr 16, 1999* R16 Japan Women's Open Tier III modern equivalent 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
Sandra Kleinova #759 #41 606 1,632 59 119 33.1% 0 0 0 0 0 0
Kimberly Po Messerli 1,879 118 133 47.0% 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 Sandra Kleinova Kimberly Po Messerli
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1995 6–2 75.0% #112 1,587 0 0 1989 0–1 0.0% 1,486 0 0
18 1996 4–9 30.8% #128 1,533 0 0
19 1997 13–20 39.4% #42 1,622 0 0 1991 5–4 55.6% 1,568 0 0
20 1998 3–20 13.0% #163 1,443 0 0 1992 14–16 46.7% 1,654 0 0
21 1999 10–14 41.7% #63 1,530 0 0 1993 20–19 51.3% 1,776 0 0
22 2000 6–17 26.1% #127 1,494 0 0 1994 11–17 39.3% 1,701 0 0
23 2001 5–11 31.2% #121 1,506 0 0 1995 4–13 23.5% 1,609 0 0
24 2002 2–5 28.6% #137 1,479 0 0 1996 20–13 60.6% 1,806 0 0
25 2003 5–7 41.7% #87 1,527 0 0 1997 27–20 57.4% 1,790 0 0
26 2004 5–13 27.8% #145 1,501 0 0 1998 11–15 42.3% 1,743 0 0
27 2005 0–1 0.0% #170 1,485 0 0 1999 6–13 31.6% 1,653 0 0
28 2000 0–2 0.0% 1,611 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 Sandra Kleinova Kimberly Po Messerli
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 1995 2 1 3 66.7% 4 1 5 80.0% 1989 0 1 1 0.0%
18 1996 0 3 3 0.0% 4 5 9 44.4% 0 1 1 0.0%
19 1997 6 6 12 50.0% 3 9 12 25.0% 2 3 5 40.0% 2 2 4 50.0% 1991 5 4 9 55.6%
20 1998 0 8 8 0.0% 2 7 9 22.2% 1 3 4 25.0% 0 2 2 0.0% 1992 9 10 19 47.4% 0 1 1 0.0% 4 3 7 57.1% 1 2 3 33.3%
21 1999 4 6 10 40.0% 3 3 6 50.0% 0 2 2 0.0% 3 3 6 50.0% 1993 10 9 19 52.6% 2 2 4 50.0% 2 3 5 40.0% 6 5 11 54.5%
22 2000 3 7 10 30.0% 3 8 11 27.3% 0 2 2 0.0% 1994 3 6 9 33.3% 2 4 6 33.3% 1 2 3 33.3% 5 5 10 50.0%
23 2001 2 2 4 50.0% 1 5 6 16.7% 0 2 2 0.0% 2 2 4 50.0% 1995 3 4 7 42.9% 0 5 5 0.0% 0 2 2 0.0% 1 2 3 33.3%
24 2002 2 2 4 50.0% 0 3 3 0.0% 1996 13 6 19 68.4% 1 2 3 33.3% 6 5 11 54.5%
25 2003 1 1 2 50.0% 2 4 6 33.3% 0 1 1 0.0% 2 1 3 66.7% 1997 21 13 34 61.8% 2 2 4 50.0% 1 2 3 33.3% 3 3 6 50.0%
26 2004 4 10 14 28.6% 0 2 2 0.0% 1 1 2 50.0% 1998 5 8 13 38.5% 1 3 4 25.0% 4 2 6 66.7% 1 2 3 33.3%
27 2005 0 1 1 0.0% 1999 3 6 9 33.3% 1 3 4 25.0% 2 2 4 50.0% 0 2 2 0.0%
28 2000 0 1 1 0.0% 0 1 1 0.0%
Career 22 46 68 32.4% 20 47 67 29.9% 4 15 19 21.1% 13 11 24 54.2% 72 67 139 51.8% 8 20 28 28.6% 15 19 34 44.1% 23 27 50 46.0%

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 Sandra Kleinova Kimberly Po Messerli
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 1995 1587 115.8 +22 0 65.0% +1.10 3–1 (75%) +0.62 1989 1486 97.5 0.0% -2.50 0–1 +0.12
18 1996 1533 112.6 +52 +28 33.3% -0.80 2–2 (50%) 2–4 (33%) 99.9 +0.41
19 1997 1622 131.0 +45 -89 -35 40.5% -0.55 4–6 (40%) 3–4 (43%) 99.3 -0.05 1991 1568 120.4 +29 56.5% -0.26 2–3 (40%) 1–0 -0.01
20 1998 1443 104.2 +80 +8 +135 24.5% -1.76 0–7 (0%) 1–3 (25%) 89.3 +0.23 1992 1655 127.7 -8 -30 45.6% -0.40 5–5 (50%) 4–2 (67%) 103.5 +0.99
21 1999 1530 118.7 +35 -27 43.1% -0.47 5–2 (71%) 2–2 (50%) 106.0 +0.88 1993 1777 145.0 +17 -217 -153 50.0% -0.15 6–4 (60%) 5–2 (71%) 106.5 -0.91
22 2000 1494 107.6 +55 -24 28.8% -1.54 3–3 (50%) 3–0 (100%) -0.35 1994 1702 128.7 +38 -143 -106 44.6% -0.51 4–7 (36%) 2–2 (50%) -0.08
23 2001 1507 110.4 +74 -88 37.8% -1.46 3–4 (43%) 1–0 -0.07 1995 1610 120.0 +98 -130 29.7% -1.11 0–3 (0%) 1–3 (25%) 93.6 +0.25
24 2002 1480 99.0 +102 -105 31.3% -1.50 1–1 +0.29 1996 1807 155.2 +52 -239 57.5% +0.44 5–4 (56%) 1–1 +0.41
25 2003 1527 110.3 -1.31 +0.48 0.923 47.8% +92 -144 47.8% -0.70 0–1 2–0 +0.32 1997 1790 146.8 +28 -289 -240 55.0% +0.44 9–8 (53%) 7–2 (78%) 103.7 +1.04
26 2004 1502 114.9 -1.61 -2.98 0.752 44.3% +51 33.3% -1.28 2–5 (29%) 1–0 -0.76 1998 1743 135.6 +16 -267 -100 44.8% -0.59 2–4 (33%) 4–1 (80%) 102.7 -0.85
27 2005 1486 96.3 0.0% -3.50 +0.10 1999 1653 120.4 +21 -179 -26 38.1% -1.00 0–4 (0%) 1–4 (20%) 93.6 -1.39
28 2000 1611 101.2 20.0% -1.00 0–1 0–2 +0.12
Career 1632 119.3 -1.48 -1.50 0.826 45.8% +56 -44 +41 36.8% -0.99 23–32 (42%) 15–13 (54%) 100.8 +0.92 1880 144.9 +29 -197 -111 47.9% -0.22 33–43 (43%) 26–20 (57%) 102.5 -0.12

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.