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

Audra Keller vs Emanuela Zardo H2H: 0-1

Emanuela Zardo holds a 1–0 lead over Audra Keller in their WTA head-to-head. Across 1 main-draw meeting, Emanuela Zardo leads 1–0 on clay. Most recently, Emanuela Zardo won the 1994 Amelia Island round of 64 6-0 6-4.

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Audra Keller
USA Age 54
H2H
0 – 1
1 main-draw meetings
Emanuela Zardo
SUI Age 56 Left-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Emanuela Zardo #59 6-0 6-4 Audra Keller #133 Match data Apr 6, 1994* R64 Amelia Island Tier II → modern equivalent WTA 500 Clay

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
Emanuela Zardo #976 #27 80 1,756 69 75 47.9% 0 0 0 0 1 1

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 Emanuela Zardo
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1989 3–4 42.9% #157 1,538 0 0 1987 0–1 0.0% #258 1,488 0 0
18 1990 13–18 41.9% #98 1,610 0 0 1988 0–1 0.0% #283 1,476 0 0
19 1991 10–16 38.5% #95 1,641 0 0 1989 0–3 0.0% #142 1,449 0 0
20 1992 3–15 16.7% #249 1,522 0 0 1990 13–12 52.0% #63 1,593 0 0
21 1993 5–10 33.3% #124 1,524 0 0 1991 17–11 60.7% #31 1,714 0 1
22 1994 4–13 23.5% #161 1,471 0 0 1992 18–15 54.5% #39 1,740 0 1
23 1995 4–12 25.0% #134 1,468 0 0 1993 12–16 42.9% #73 1,650 0 1
24 — — — — — — — 1994 9–13 40.9% #89 1,574 0 1
25 — — — — — — — 1995 0–3 0.0% #181 1,542 0 1

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 Emanuela Zardo
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 1989 2 3 5 40.0% — — — — — — — — 1 1 2 50.0% 1987 — — — — 0 1 1 0.0% — — — — — — — —
18 1990 9 11 20 45.0% 3 4 7 42.9% 1 2 3 33.3% 0 1 1 0.0% 1988 — — — — 0 1 1 0.0% — — — — — — — —
19 1991 8 12 20 40.0% 1 3 4 25.0% 1 1 2 50.0% — — — — 1989 — — — — 0 2 2 0.0% — — — — 0 1 1 0.0%
20 1992 1 8 9 11.1% 1 5 6 16.7% 1 1 2 50.0% 0 1 1 0.0% 1990 3 4 7 42.9% 9 7 16 56.3% — — — — 1 1 2 50.0%
21 1993 4 7 11 36.4% — — — — — — — — 1 3 4 25.0% 1991 1 4 5 20.0% 15 5 20 75.0% 1 1 2 50.0% 0 1 1 0.0%
22 1994 3 8 11 27.3% 0 3 3 0.0% — — — — 1 2 3 33.3% 1992 2 4 6 33.3% 15 9 24 62.5% — — — — 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% 1993 3 5 8 37.5% 7 7 14 50.0% 0 1 1 0.0% 2 3 5 40.0%
24 — — — — — — — — — — — — — — — — — 1994 6 5 11 54.5% 3 6 9 33.3% 0 1 1 0.0% 0 1 1 0.0%
25 — — — — — — — — — — — — — — — — — 1995 0 3 3 0.0% — — — — — — — — — — — —
Career — 31 56 87 35.6% 5 18 23 21.7% 3 5 8 37.5% 3 9 12 25.0% — 15 25 40 37.5% 49 38 87 56.3% 1 3 4 25.0% 4 9 13 30.8%

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 Emanuela Zardo
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 1989 1538 121.7 — — — — +45 — — 46.7% -0.53 0–1 2–0 — -0.15 1987 1488 96.8 — — — — — — — 0.0% -4.50 — — — -0.01
18 1990 1610 120.6 — — — — +23 -55 -49 41.8% -0.88 3–6 (33%) 6–2 (75%) 100.8 -0.12 1988 1477 101.6 — — — — — — — 33.3% -1.00 0–1 — — +0.05
19 1991 1641 126.8 — — — — +5 -108 — 39.3% -0.79 2–2 (50%) 3–4 (43%) 101.2 -0.95 1989 1450 99.4 — — — — — — — 14.3% -2.86 0–1 — — +0.13
20 1992 1523 109.9 — — — — +31 -41 — 27.9% -1.81 1–6 (14%) 3–2 (60%) 95.2 -0.16 1990 1594 122.2 — — — — -34 -2 — 50.9% +0.26 4–3 (57%) 4–4 (50%) 102.9 +0.71
21 1993 1525 127.3 — — — — +21 — — 38.2% -0.59 1–3 (25%) 1–2 (33%) 97.3 -0.30 1991 1714 136.8 — — — — -190 +100 — 58.1% +0.87 4–2 (67%) 0–3 (0%) 101.3 +0.08
22 1994 1472 113.7 — — — — +43 -4 — 30.8% -1.28 1–4 (20%) — — +0.46 1992 1741 131.9 — — — — -208 +113 — 51.4% -0.15 6–2 (75%) 2–1 (67%) 106.9 -0.32
23 1995 1469 112.8 — — — — +54 -34 — 31.6% -1.29 2–4 (33%) 1–5 (17%) 96.4 -0.60 1993 1651 114.5 — — — — -126 +136 — 41.9% -0.50 4–2 (67%) 5–3 (63%) 104.1 +0.44
24 — — — — — — — — — — — — — — — — 1994 1575 109.2 — — — — -11 +87 — 41.7% -0.46 2–2 (50%) 3–5 (38%) 97.3 +1.56
25 — — — — — — — — — — — — — — — — 1995 1542 100.6 — — — — -20 — — 0.0% -2.83 — 0–1 — -0.22
Career — 1645 125.5 — — — — +28 -51 -49 36.3% -1.05 10–26 (28%) 16–15 (52%) 93.8 -1.40 — 1756 126.9 — — — — -99 +89 — 47.0% -0.14 20–13 (61%) 14–17 (45%) 105.2 +1.68

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.