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

Claudia Porwik vs Shirli Ann Siddall H2H: 1-0

Claudia Porwik holds a 1–0 lead over Shirli Ann Siddall in their WTA head-to-head. Across 1 main-draw meeting, Claudia Porwik leads 1–0 on grass. Most recently, Claudia Porwik won the 1992 Wimbledon round of 64 6-4 6-2.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Claudia Porwik
GER Age 57
H2H
1 – 0
1 main-draw meetings
Shirli Ann Siddall
GBR Age 52

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Claudia Porwik #99 6-4 6-2 Shirli Ann Siddall Match data Jun 26, 1992* R64 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
Claudia Porwik #579 #29 148 1,786 114 146 43.8% 0 0 0 0 0 0
Shirli Ann Siddall — — — 1,557 6 14 30.0% 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 Claudia Porwik Shirli Ann Siddall
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1986 6–5 54.5% #96 1,577 0 0 — — — — — — —
18 1987 13–19 40.6% #104 1,581 0 0 1992 4–4 50.0% — 1,525 0 0
19 1988 11–16 40.7% #68 1,571 0 0 1993 0–3 0.0% — 1,512 0 0
20 1989 19–18 51.4% #75 1,660 0 0 1994 2–3 40.0% — 1,519 0 0
21 1990 18–17 51.4% #29 1,667 0 0 1995 0–1 0.0% — 1,513 0 0
22 1991 14–20 41.2% #80 1,644 0 0 — — — — — — —
23 1992 12–18 40.0% #98 1,605 0 0 1997 0–3 0.0% — 1,486 0 0
24 1993 13–20 39.4% #92 1,601 0 0 — — — — — — —
25 1994 0–1 0.0% #256 1,585 0 0 — — — — — — —
26 1995 4–7 36.4% #133 1,551 0 0 — — — — — — —
27 1996 4–5 44.4% #153 1,563 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 Claudia Porwik Shirli Ann Siddall
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 1986 3 3 6 50.0% 3 2 5 60.0% — — — — — — — — — — — — — — — — — — — — — — — — —
18 1987 4 7 11 36.4% 4 4 8 50.0% 1 4 5 20.0% 4 4 8 50.0% 1992 — — — — — — — — 4 3 7 57.1% 0 1 1 0.0%
19 1988 7 6 13 53.8% 0 4 4 0.0% 4 4 8 50.0% 0 2 2 0.0% 1993 — — — — — — — — 0 3 3 0.0% — — — —
20 1989 15 13 28 53.6% 3 3 6 50.0% 1 1 2 50.0% 0 1 1 0.0% 1994 — — — — — — — — 2 3 5 40.0% — — — —
21 1990 16 12 28 57.1% — — — — 0 2 2 0.0% 2 3 5 40.0% 1995 — — — — — — — — 0 1 1 0.0% — — — —
22 1991 10 13 23 43.5% 1 3 4 25.0% 0 2 2 0.0% 3 2 5 60.0% — — — — — — — — — — — — — — — — —
23 1992 5 11 16 31.3% 0 2 2 0.0% 2 1 3 66.7% 5 4 9 55.6% 1997 — — — — — — — — 0 3 3 0.0% — — — —
24 1993 7 11 18 38.9% 2 2 4 50.0% 2 3 5 40.0% 2 4 6 33.3% — — — — — — — — — — — — — — — — —
25 1994 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
26 1995 3 4 7 42.9% — — — — 0 2 2 0.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — —
27 1996 3 2 5 60.0% 0 1 1 0.0% 1 1 2 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
Career — 73 83 156 46.8% 13 21 34 38.2% 11 20 31 35.5% 17 22 39 43.6% — — — — — — — — — 6 13 19 31.6% 0 1 1 0.0%

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 Claudia Porwik Shirli Ann Siddall
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 1986 1577 117.2 — — — — +14 +33 — 50.0% -0.42 3–1 (75%) 3–1 (75%) 105.3 +0.65 — — — — — — — — — — — — — — — —
18 1987 1582 120.5 — — — — -4 +32 -42 44.7% -0.46 4–8 (33%) 4–1 (80%) 97.8 +1.43 1992 1526 104.9 — — — — — — +86 47.1% -0.65 1–0 0–1 — +0.84
19 1988 1572 125.4 — — — — +20 -30 +14 41.4% -0.72 2–2 (50%) 5–2 (71%) 103.4 +0.38 1993 1512 106.4 — — — — — — +84 25.0% -2.00 0–2 2–1 (67%) — -0.55
20 1989 1661 127.0 — — — — 0 -72 — 52.9% +0.09 4–7 (36%) 2–3 (40%) 97.4 +0.85 1994 1519 91.6 — — — — — — +45 36.4% -1.54 1–0 — — +0.21
21 1990 1667 133.5 — — — — +11 — — 52.5% +0.25 6–8 (43%) 5–2 (71%) 99.4 +1.00 1995 1514 97.9 — — — — — — — 0.0% -3.50 — — — -0.10
22 1991 1645 123.9 — — — — +28 -98 — 42.7% -0.60 3–4 (43%) 5–4 (56%) 100.4 -1.33 — — — — — — — — — — — — — — — —
23 1992 1606 119.1 — — — — +1 — -25 43.3% -0.63 4–5 (44%) 2–2 (50%) 97.3 +1.85 1997 1487 100.6 — — — — — — +14 14.3% -2.14 0–1 0–1 — -0.12
24 1993 1601 124.1 — — — — -13 -41 +10 42.3% -0.62 3–4 (43%) 3–4 (43%) 97.9 -0.38 — — — — — — — — — — — — — — — —
25 1994 1585 97.9 — — — — — — — 0.0% -3.50 — — — +0.19 — — — — — — — — — — — — — — — —
26 1995 1551 111.6 — — — — +11 — — 44.4% +0.07 1–4 (20%) 1–4 (20%) 95.2 -0.10 — — — — — — — — — — — — — — — —
27 1996 1564 110.4 — — — — +28 — — 55.0% +0.25 1–3 (25%) — — +0.74 — — — — — — — — — — — — — — — —
Career — 1787 129.2 — — — — +7 -22 -6 46.3% -0.33 31–46 (40%) 30–23 (57%) 98.7 +2.04 — 1557 100.7 — — — — — — +62 33.3% -1.47 2–3 (40%) 2–3 (40%) 98.2 +1.40

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.