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

Audra Keller vs Michelle Jackson Nobrega H2H: 0-1

Michelle Jackson Nobrega holds a 1–0 lead over Audra Keller in their WTA head-to-head. Across 1 main-draw meeting, Michelle Jackson Nobrega leads 1–0 on hard courts. Most recently, Michelle Jackson Nobrega won the 1994 San Diego round of 64 6-4 6-3.

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

Audra Keller
USA Age 54
H2H
0 – 1
1 main-draw meetings
Michelle Jackson Nobrega
USA Age 52

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Michelle Jackson Nobrega 6-4 6-3 Audra Keller #158 Match data Aug 3, 1994* R64 San Diego Tier II → modern equivalent WTA 500 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
Michelle Jackson Nobrega — — — 1,539 5 9 35.7% 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 Michelle Jackson Nobrega
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1989 3–4 42.9% #157 1,538 0 0 1991 0–2 0.0% — 1,488 0 0
18 1990 13–18 41.9% #98 1,610 0 0 1992 0–2 0.0% — 1,469 0 0
19 1991 10–16 38.5% #95 1,641 0 0 1993 1–1 50.0% — 1,476 0 0
20 1992 3–15 16.7% #249 1,522 0 0 1994 4–4 50.0% — 1,534 0 0
21 1993 5–10 33.3% #124 1,524 0 0 — — — — — — —
22 1994 4–13 23.5% #161 1,471 0 0 — — — — — — —
23 1995 4–12 25.0% #134 1,468 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 Michelle Jackson Nobrega
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% 1991 0 2 2 0.0% — — — — — — — — — — — —
18 1990 9 11 20 45.0% 3 4 7 42.9% 1 2 3 33.3% 0 1 1 0.0% 1992 0 1 1 0.0% 0 1 1 0.0% — — — — — — — —
19 1991 8 12 20 40.0% 1 3 4 25.0% 1 1 2 50.0% — — — — 1993 1 1 2 50.0% — — — — — — — — — — — —
20 1992 1 8 9 11.1% 1 5 6 16.7% 1 1 2 50.0% 0 1 1 0.0% 1994 3 2 5 60.0% 0 1 1 0.0% — — — — 1 1 2 50.0%
21 1993 4 7 11 36.4% — — — — — — — — 1 3 4 25.0% — — — — — — — — — — — — — — — — —
22 1994 3 8 11 27.3% 0 3 3 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% — — — — — — — — — — — — — — — — —
Career — 31 56 87 35.6% 5 18 23 21.7% 3 5 8 37.5% 3 9 12 25.0% — 4 6 10 40.0% 0 2 2 0.0% — — — — 1 1 2 50.0%

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 Audra Keller Michelle Jackson Nobrega
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 1991 1488 100.7 — — — — — — — 0.0% -2.75 — 0–1 — -0.22
18 1990 1610 120.6 — — — — +23 -55 -49 41.8% -0.88 3–6 (33%) 6–2 (75%) 100.8 -0.12 1992 1469 103.3 — — — — — — — 20.0% -1.40 0–1 0–1 — +0.02
19 1991 1641 126.8 — — — — +5 -108 — 39.3% -0.79 2–2 (50%) 3–4 (43%) 101.2 -0.95 1993 1476 102.8 — — — — — — — 40.0% +0.40 1–0 0–1 — +0.24
20 1992 1523 109.9 — — — — +31 -41 — 27.9% -1.81 1–6 (14%) 3–2 (60%) 95.2 -0.16 1994 1535 126.1 — — — — +42 — — 55.6% +0.28 0–2 — — -0.31
21 1993 1525 127.3 — — — — +21 — — 38.2% -0.59 1–3 (25%) 1–2 (33%) 97.3 -0.30 — — — — — — — — — — — — — — — —
22 1994 1472 113.7 — — — — +43 -4 — 30.8% -1.28 1–4 (20%) — — +0.46 — — — — — — — — — — — — — — — —
23 1995 1469 112.8 — — — — +54 -34 — 31.6% -1.29 2–4 (33%) 1–5 (17%) 96.4 -0.60 — — — — — — — — — — — — — — — —
Career — 1645 125.5 — — — — +28 -51 -49 36.3% -1.05 10–26 (28%) 16–15 (52%) 93.8 -1.40 — 1540 116.4 — — — — +42 — — 40.6% -0.34 1–3 (25%) 0–3 (0%) — -1.93

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.