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

Audra Keller vs Petra Schwarz H2H: 1-0

Audra Keller holds a 1–0 lead over Petra Schwarz in their WTA head-to-head. Across 1 main-draw meeting, Audra Keller leads 1–0 on hard courts. Most recently, Audra Keller won the 1994 Brisbane International round of 64 7-5 6-1.

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Audra Keller
USA Age 54
H2H
1 – 0
1 main-draw meetings
Petra Schwarz
AUT Age 54 Right-Handed 168 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Audra Keller #124 7-5 6-1 Petra Schwarz #110 Match data Jan 5, 1994* R64 Brisbane International 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
Audra Keller #1,002 #77 44 1,645 42 88 32.3% 0 0 0 0 0 0
Petra Schwarz #818 #52 119 1,667 48 78 38.1% 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 Audra Keller Petra Schwarz
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 — — — — — — — 1987 1–1 50.0% #253 1,502 0 0
16 — — — — — — — 1988 1–1 50.0% #183 1,520 0 0
17 1989 3–4 42.9% #157 1,538 0 0 1989 4–8 33.3% #153 1,518 0 0
18 1990 13–18 41.9% #98 1,610 0 0 1990 4–6 40.0% #144 1,527 0 0
19 1991 10–16 38.5% #95 1,641 0 0 1991 9–9 50.0% #78 1,608 0 0
20 1992 3–15 16.7% #249 1,522 0 0 1992 4–12 25.0% #164 1,483 0 0
21 1993 5–10 33.3% #124 1,524 0 0 1993 5–7 41.7% #110 1,555 0 0
22 1994 4–13 23.5% #161 1,471 0 0 1994 12–14 46.2% #60 1,645 0 0
23 1995 4–12 25.0% #134 1,468 0 0 1995 7–13 35.0% #119 1,579 0 0
24 — — — — — — — 1996 1–6 14.3% #176 1,539 0 0
25 — — — — — — — 1997 0–1 0.0% #291 1,520 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 Audra Keller Petra Schwarz
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 — — — — — — — — — — — — — — — — — 1987 — — — — 1 1 2 50.0% — — — — — — — —
16 — — — — — — — — — — — — — — — — — 1988 — — — — — — — — — — — — 1 1 2 50.0%
17 1989 2 3 5 40.0% — — — — — — — — 1 1 2 50.0% 1989 — — — — 4 8 12 33.3% — — — — — — — —
18 1990 9 11 20 45.0% 3 4 7 42.9% 1 2 3 33.3% 0 1 1 0.0% 1990 0 1 1 0.0% 4 5 9 44.4% — — — — — — — —
19 1991 8 12 20 40.0% 1 3 4 25.0% 1 1 2 50.0% — — — — 1991 2 4 6 33.3% 5 3 8 62.5% — — — — 2 2 4 50.0%
20 1992 1 8 9 11.1% 1 5 6 16.7% 1 1 2 50.0% 0 1 1 0.0% 1992 1 3 4 25.0% 3 6 9 33.3% — — — — 0 3 3 0.0%
21 1993 4 7 11 36.4% — — — — — — — — 1 3 4 25.0% 1993 2 2 4 50.0% 3 4 7 42.9% — — — — 0 1 1 0.0%
22 1994 3 8 11 27.3% 0 3 3 0.0% — — — — 1 2 3 33.3% 1994 1 4 5 20.0% 10 7 17 58.8% 0 1 1 0.0% 1 2 3 33.3%
23 1995 4 7 11 36.4% 0 3 3 0.0% 0 1 1 0.0% 0 1 1 0.0% 1995 0 5 5 0.0% 5 6 11 45.5% 0 1 1 0.0% 2 1 3 66.7%
24 — — — — — — — — — — — — — — — — — 1996 0 1 1 0.0% 0 4 4 0.0% — — — — 1 1 2 50.0%
25 — — — — — — — — — — — — — — — — — 1997 — — — — 0 1 1 0.0% — — — — — — — —
Career — 31 56 87 35.6% 5 18 23 21.7% 3 5 8 37.5% 3 9 12 25.0% — 6 20 26 23.1% 35 45 80 43.8% 0 2 2 0.0% 7 11 18 38.9%

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 Audra Keller Petra Schwarz
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 — — — — — — — — — — — — — — — — 1987 1502 100.0 — — — — — — — 0.0% -3.50 — — — +0.26
16 — — — — — — — — — — — — — — — — 1988 1520 108.6 — — — — — — — 50.0% +0.25 — — — +0.02
17 1989 1538 121.7 — — — — +45 — — 46.7% -0.53 0–1 2–0 — -0.15 1989 1518 123.8 — — — — — +35 — 41.4% -0.38 1–4 (20%) 1–1 — -0.03
18 1990 1610 120.6 — — — — +23 -55 -49 41.8% -0.88 3–6 (33%) 6–2 (75%) 100.8 -0.12 1990 1528 107.0 — — — — — +32 — 39.1% -0.65 2–1 (67%) 0–2 — +0.30
19 1991 1641 126.8 — — — — +5 -108 — 39.3% -0.79 2–2 (50%) 3–4 (43%) 101.2 -0.95 1991 1608 122.3 — — — — -51 +33 — 48.9% -0.28 6–5 (55%) 4–2 (67%) 105.5 -0.17
20 1992 1523 109.9 — — — — +31 -41 — 27.9% -1.81 1–6 (14%) 3–2 (60%) 95.2 -0.16 1992 1484 96.6 — — — — +2 +78 — 29.7% -1.32 2–3 (40%) 3–4 (43%) 96.8 +2.51
21 1993 1525 127.3 — — — — +21 — — 38.2% -0.59 1–3 (25%) 1–2 (33%) 97.3 -0.30 1993 1555 128.8 — — — — -36 +43 — 42.9% -0.46 2–2 (50%) 1–1 — -0.62
22 1994 1472 113.7 — — — — +43 -4 — 30.8% -1.28 1–4 (20%) — — +0.46 1994 1645 126.8 — — — — -127 +66 — 44.1% -0.41 5–2 (71%) 2–3 (40%) 103.7 +0.07
23 1995 1469 112.8 — — — — +54 -34 — 31.6% -1.29 2–4 (33%) 1–5 (17%) 96.4 -0.60 1995 1580 108.2 — — — — -100 +105 — 36.2% -1.13 4–3 (57%) 2–2 (50%) — -0.14
24 — — — — — — — — — — — — — — — — 1996 1539 112.9 — — — — -42 +73 — 23.5% -1.88 1–2 (33%) 1–2 (33%) — -0.40
25 — — — — — — — — — — — — — — — — 1997 1520 98.0 — — — — — — — 0.0% -2.00 — — — +0.19
Career — 1645 125.5 — — — — +28 -51 -49 36.3% -1.05 10–26 (28%) 16–15 (52%) 93.8 -1.40 — 1667 123.1 — — — — -64 +59 — 39.3% -0.75 23–22 (51%) 14–17 (45%) 102.2 +1.58

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.