H2H data updated: 2026-09-12 00:00 UTC

Marianne Werdel Witmeyer vs Kimberly Po Messerli H2H: 0-4

Kimberly Po Messerli holds a 4–0 lead over Marianne Werdel Witmeyer in their WTA head-to-head. Across 4 main-draw meetings, Kimberly Po Messerli leads 2–0 on carpet and 2–0 on hard courts. Most recently, Kimberly Po Messerli won the 1996 Oakland round of 16 6-4 6-4.

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Marianne Werdel Witmeyer
USA
H2H
0 – 4
4 main-draw meetings
Kimberly Po Messerli
USA Age 54 Right-Handed 160 cm / 5'3"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kimberly Po Messerli 6-4 6-4 Marianne Werdel Witmeyer Match data Nov 8, 1996* R16 Oakland Tier II → modern equivalent WTA 500 Carpet
Kimberly Po Messerli 6-4 3-6 6-2 Marianne Werdel Witmeyer Match data Aug 14, 1996* R64 Manhattan Beach Tier II → modern equivalent WTA 500 Hard
Kimberly Po Messerli 6-2 6-2 Marianne Werdel Witmeyer Match data Apr 19, 1996* R16 Japan Women's Open Tier III → modern equivalent WTA 250 Hard
Kimberly Po Messerli 6-1 4-6 6-3 Marianne Werdel Witmeyer Match data Nov 12, 1993* R16 Philadelphia Tier I → modern equivalent WTA 1000 Carpet

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
Marianne Werdel Witmeyer — — — 1,850 181 203 47.1% 0 0 0 0 1 1
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.

Marianne Werdel Witmeyer Kimberly Po Messerli
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1983 0–1 0.0% — 1,492 0 0 1989 0–1 0.0% — 1,486 0 0
1984 0–1 0.0% — 1,477 0 0 1991 5–4 55.6% — 1,568 0 0
1985 6–3 66.7% — 1,541 0 1 1992 14–16 46.7% — 1,654 0 0
1986 13–10 56.5% — 1,683 0 1 1993 20–19 51.3% — 1,776 0 0
1987 10–17 37.0% — 1,659 0 1 1994 11–17 39.3% — 1,701 0 0
1988 11–20 35.5% — 1,586 0 1 1995 4–13 23.5% — 1,609 0 0
1989 13–17 43.3% — 1,592 0 1 1996 20–13 60.6% — 1,806 0 0
1990 18–18 50.0% — 1,745 0 1 1997 27–20 57.4% — 1,790 0 0
1991 21–19 52.5% — 1,739 0 1 1998 11–15 42.3% — 1,743 0 0
1992 13–17 43.3% — 1,697 0 1 1999 6–13 31.6% — 1,653 0 0
1993 21–18 53.8% — 1,748 0 1 2000 0–2 0.0% — 1,611 0 0
1994 22–22 50.0% — 1,773 0 1 — — — — — — —
1995 20–18 52.6% — 1,787 0 1 — — — — — — —
1996 8–18 30.8% — 1,665 0 1 — — — — — — —
1997 5–4 55.6% — 1,673 0 1 — — — — — — —

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.

Marianne Werdel Witmeyer 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 %
1983 — — — — 0 1 1 0.0% — — — — — — — — 1989 0 1 1 0.0% — — — — — — — — — — — —
1984 — — — — — — — — — — — — 0 1 1 0.0% 1991 5 4 9 55.6% — — — — — — — — — — — —
1985 1 2 3 33.3% — — — — — — — — — — — — 1992 9 10 19 47.4% 0 1 1 0.0% 4 3 7 57.1% 1 2 3 33.3%
1986 10 8 18 55.6% — — — — — — — — 3 2 5 60.0% 1993 10 9 19 52.6% 2 2 4 50.0% 2 3 5 40.0% 6 5 11 54.5%
1987 2 6 8 25.0% 0 2 2 0.0% 2 4 6 33.3% 6 5 11 54.5% 1994 3 6 9 33.3% 2 4 6 33.3% 1 2 3 33.3% 5 5 10 50.0%
1988 9 16 25 36.0% — — — — 1 3 4 25.0% 1 1 2 50.0% 1995 3 4 7 42.9% 0 5 5 0.0% 0 2 2 0.0% 1 2 3 33.3%
1989 11 14 25 44.0% 1 1 2 50.0% — — — — 1 2 3 33.3% 1996 13 6 19 68.4% — — — — 1 2 3 33.3% 6 5 11 54.5%
1990 14 12 26 53.8% 1 2 3 33.3% 0 1 1 0.0% 3 3 6 50.0% 1997 21 13 34 61.8% 2 2 4 50.0% 1 2 3 33.3% 3 3 6 50.0%
1991 16 11 27 59.3% 1 2 3 33.3% 2 2 4 50.0% 2 4 6 33.3% 1998 5 8 13 38.5% 1 3 4 25.0% 4 2 6 66.7% 1 2 3 33.3%
1992 11 12 23 47.8% 0 2 2 0.0% 1 2 3 33.3% 1 1 2 50.0% 1999 3 6 9 33.3% 1 3 4 25.0% 2 2 4 50.0% 0 2 2 0.0%
1993 14 10 24 58.3% 1 2 3 33.3% 2 2 4 50.0% 4 4 8 50.0% 2000 — — — — — — — — 0 1 1 0.0% 0 1 1 0.0%
1994 15 13 28 53.6% 1 2 3 33.3% 2 2 4 50.0% 4 5 9 44.4% — — — — — — — — — — — — — — — — —
1995 14 11 25 56.0% 1 3 4 25.0% 1 2 3 33.3% 4 2 6 66.7% — — — — — — — — — — — — — — — — —
1996 3 10 13 23.1% 1 3 4 25.0% 0 2 2 0.0% 4 3 7 57.1% — — — — — — — — — — — — — — — — —
1997 5 4 9 55.6% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career 125 129 254 49.2% 7 20 27 25.9% 11 20 31 35.5% 33 33 66 50.0% Career 72 67 139 51.8% 8 20 28 28.6% 15 19 34 44.1% 23 27 50 46.0%

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.

Marianne Werdel Witmeyer 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
1983 1492 100.4 — — — — — — — 0.0% -2.50 — 0–1 — -0.02 1989 1486 97.5 — — — — — — — 0.0% -2.50 — 0–1 — +0.12
1984 1478 96.1 — — — — — — — 0.0% -4.00 — — — +0.29 1991 1568 120.4 — — — — +29 — — 56.5% -0.26 2–3 (40%) 1–0 — -0.01
1985 1542 112.3 — — — — +15 — — 63.2% +0.89 1–0 0–1 — +0.37 1992 1655 127.7 — — — — -8 — -30 45.6% -0.40 5–5 (50%) 4–2 (67%) 103.5 +0.99
1986 1683 123.1 — — — — +21 — — 50.0% -0.34 8–2 (80%) 5–1 (83%) — +1.30 1993 1777 145.0 — — — — +17 -217 -153 50.0% -0.15 6–4 (60%) 5–2 (71%) 106.5 -0.91
1987 1659 129.2 — — — — +44 — -85 41.9% -0.77 2–6 (25%) 3–0 (100%) — -0.83 1994 1702 128.7 — — — — +38 -143 -106 44.6% -0.51 4–7 (36%) 2–2 (50%) — -0.08
1988 1587 119.6 — — — — +2 — -37 37.3% -1.03 2–3 (40%) 3–2 (60%) 100.4 -1.05 1995 1610 120.0 — — — — +98 -130 — 29.7% -1.11 0–3 (0%) 1–3 (25%) 93.6 +0.25
1989 1592 119.9 — — — — -6 — — 44.1% -0.25 4–4 (50%) 3–4 (43%) 99.6 +2.41 1996 1807 155.2 — — — — +52 — -239 57.5% +0.44 5–4 (56%) 1–1 — +0.41
1990 1746 136.3 — — — — +8 -257 — 51.7% +0.10 7–10 (41%) 6–4 (60%) 103.1 -0.70 1997 1790 146.8 — — — — +28 -289 -240 55.0% +0.44 9–8 (53%) 7–2 (78%) 103.7 +1.04
1991 1740 132.5 — — — — +15 -243 -169 48.9% -0.13 10–4 (71%) 5–4 (56%) 103.3 +0.98 1998 1743 135.6 — — — — +16 -267 -100 44.8% -0.59 2–4 (33%) 4–1 (80%) 102.7 -0.85
1992 1697 133.3 — — — — +32 — -146 48.5% 0.00 3–7 (30%) 4–1 (80%) 98.1 +0.32 1999 1653 120.4 — — — — +21 -179 -26 38.1% -1.00 0–4 (0%) 1–4 (20%) 93.6 -1.39
1993 1749 139.9 — — — — +28 -270 -150 51.6% +0.31 8–5 (62%) 2–2 (50%) 101.6 -0.37 2000 1611 101.2 — — — — — — — 20.0% -1.00 0–1 0–2 — +0.12
1994 1773 143.7 — — — — +15 -260 -181 48.5% -0.08 9–6 (60%) 3–2 (60%) — -0.29 — — — — — — — — — — — — — — — —
1995 1788 149.0 — — — — +45 -292 — 54.1% +0.31 5–6 (45%) 3–2 (60%) 101.2 +0.06 — — — — — — — — — — — — — — — —
1996 1666 124.9 — — — — +54 -192 — 31.6% -1.28 3–2 (60%) 2–0 — +0.43 — — — — — — — — — — — — — — — —
1997 1673 119.1 — — — — +35 — — 52.6% +0.37 1–2 (33%) 0–1 — -0.07 — — — — — — — — — — — — — — — —
Career 1850 139.7 — — — — +22 -251 -124 47.3% -0.20 63–57 (53%) 39–25 (61%) 108.6 +0.74 Career 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.