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

Marianne Werdel Witmeyer vs Debbie Graham H2H: 1-0

Marianne Werdel Witmeyer holds a 1–0 lead over Debbie Graham in their WTA head-to-head. Across 1 main-draw meeting, Marianne Werdel Witmeyer leads 1–0 on grass. Most recently, Marianne Werdel Witmeyer won the 1991 Wimbledon round of 128 6-3 6-2.

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Marianne Werdel Witmeyer
USA
H2H
1 – 0
1 main-draw meetings
Debbie Graham
USA Age 56 Right-Handed 183 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Marianne Werdel Witmeyer 6-3 6-2 Debbie Graham #98 Match data Jun 26, 1991* R128 Wimbledon Grand Slam 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
Marianne Werdel Witmeyer — — — 1,850 181 203 47.1% 0 0 0 0 1 1
Debbie Graham #729 #35 190 1,757 83 90 48.0% 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 Debbie Graham
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1983 0–1 0.0% — 1,492 0 0 1987 1–1 50.0% — 1,502 0 0
1984 0–1 0.0% — 1,477 0 0 1988 3–2 60.0% #138 1,547 0 0
1985 6–3 66.7% — 1,541 0 1 1989 2–4 33.3% #256 1,512 0 0
1986 13–10 56.5% — 1,683 0 1 1990 5–4 55.6% #121 1,581 0 0
1987 10–17 37.0% — 1,659 0 1 1991 14–11 56.0% #42 1,685 0 0
1988 11–20 35.5% — 1,586 0 1 1992 21–19 52.5% #51 1,728 0 0
1989 13–17 43.3% — 1,592 0 1 1993 21–22 48.8% #65 1,683 0 0
1990 18–18 50.0% — 1,745 0 1 1994 8–10 44.4% #68 1,698 0 0
1991 21–19 52.5% — 1,739 0 1 1995 4–12 25.0% #131 1,598 0 0
1992 13–17 43.3% — 1,697 0 1 1996 4–5 44.4% #122 1,607 0 0
1993 21–18 53.8% — 1,748 0 1 — — — — — — —
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 Debbie Graham
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% — — — — — — — — 1987 1 1 2 50.0% — — — — — — — — — — — —
1984 — — — — — — — — — — — — 0 1 1 0.0% 1988 3 2 5 60.0% — — — — — — — — — — — —
1985 1 2 3 33.3% — — — — — — — — — — — — 1989 2 2 4 50.0% — — — — 0 2 2 0.0% — — — —
1986 10 8 18 55.6% — — — — — — — — 3 2 5 60.0% 1990 2 2 4 50.0% 3 2 5 60.0% — — — — — — — —
1987 2 6 8 25.0% 0 2 2 0.0% 2 4 6 33.3% 6 5 11 54.5% 1991 12 8 20 60.0% 2 1 3 66.7% 0 1 1 0.0% 0 1 1 0.0%
1988 9 16 25 36.0% — — — — 1 3 4 25.0% 1 1 2 50.0% 1992 13 10 23 56.5% 5 6 11 45.5% 1 1 2 50.0% 2 2 4 50.0%
1989 11 14 25 44.0% 1 1 2 50.0% — — — — 1 2 3 33.3% 1993 12 10 22 54.5% 7 6 13 53.8% 0 2 2 0.0% 2 4 6 33.3%
1990 14 12 26 53.8% 1 2 3 33.3% 0 1 1 0.0% 3 3 6 50.0% 1994 5 8 13 38.5% — — — — 0 1 1 0.0% 3 1 4 75.0%
1991 16 11 27 59.3% 1 2 3 33.3% 2 2 4 50.0% 2 4 6 33.3% 1995 1 3 4 25.0% 2 6 8 25.0% 0 1 1 0.0% 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% 1996 3 4 7 42.9% — — — — — — — — 1 1 2 50.0%
1993 14 10 24 58.3% 1 2 3 33.3% 2 2 4 50.0% 4 4 8 50.0% — — — — — — — — — — — — — — — — —
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 54 50 104 51.9% 19 21 40 47.5% 1 8 9 11.1% 9 11 20 45.0%

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 Debbie Graham
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 1987 1502 96.8 — — — — — — — 50.0% -1.00 — — — +0.39
1984 1478 96.1 — — — — — — — 0.0% -4.00 — — — +0.29 1988 1548 116.6 — — — — +36 — — 58.3% +0.50 1–1 1–0 — +0.73
1985 1542 112.3 — — — — +15 — — 63.2% +0.89 1–0 0–1 — +0.37 1989 1512 95.4 — — — — +58 — — 33.3% -0.83 — 0–1 — +1.17
1986 1683 123.1 — — — — +21 — — 50.0% -0.34 8–2 (80%) 5–1 (83%) — +1.30 1990 1582 122.4 — — — — +23 -2 — 52.4% -0.52 2–1 (67%) 1–0 — -0.27
1987 1659 129.2 — — — — +44 — -85 41.9% -0.77 2–6 (25%) 3–0 (100%) — -0.83 1991 1686 138.0 — — — — +16 -85 — 56.6% +0.40 1–4 (20%) 3–0 (100%) 98.8 +1.00
1988 1587 119.6 — — — — +2 — -37 37.3% -1.03 2–3 (40%) 3–2 (60%) 100.4 -1.05 1992 1729 136.9 — — — — +3 -79 — 51.6% +0.15 7–6 (54%) 4–4 (50%) 100.3 -1.24
1989 1592 119.9 — — — — -6 — — 44.1% -0.25 4–4 (50%) 3–4 (43%) 99.6 +2.41 1993 1684 134.3 — — — — +3 +30 — 49.5% -0.04 4–5 (44%) 3–3 (50%) 98.7 -0.72
1990 1746 136.3 — — — — +8 -257 — 51.7% +0.10 7–10 (41%) 6–4 (60%) 103.1 -0.70 1994 1699 133.9 — — — — +10 — — 48.8% -0.05 4–5 (44%) 2–1 (67%) 100.7 +0.20
1991 1740 132.5 — — — — +15 -243 -169 48.9% -0.13 10–4 (71%) 5–4 (56%) 103.3 +0.98 1995 1599 119.1 — — — — +85 +25 — 37.1% -0.69 0–5 (0%) 0–3 (0%) 90.6 -0.23
1992 1697 133.3 — — — — +32 — -146 48.5% 0.00 3–7 (30%) 4–1 (80%) 98.1 +0.32 1996 1608 118.4 — — — — +59 — — 42.9% +0.10 2–1 (67%) 0–2 — +0.30
1993 1749 139.9 — — — — +28 -270 -150 51.6% +0.31 8–5 (62%) 2–2 (50%) 101.6 -0.37 — — — — — — — — — — — — — — — —
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 1757 137.8 — — — — +19 -14 — 49.4% -0.03 21–28 (43%) 14–14 (50%) 96.0 +0.77

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.