H2H data updated: 2026-09-14 00:00 UTC

Lilia Osterloh vs Saori Obata H2H: 1-1

Lilia Osterloh and Saori Obata are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, they are tied 1–1 on hard courts. Most recently, Lilia Osterloh won the 2004 Los Angeles round of 64 7-5 7-5.

USA Age 48 Right-Handed 170 cm / 5'7"
H2H
1 1
2 main-draw meetings
JPN Age 48 Right-Handed 165 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Lilia Osterloh #225 7-5 7-5 Saori Obata #44 Match data Jul 21, 2004* R64 Los Angeles Tier II modern equivalent WTA 500 Hard
Saori Obata #221 6-1 6-2 Lilia Osterloh #47 Match data Oct 17, 2000* R32 Shanghai Tier IV 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
Lilia Osterloh #1,223 #41 738 1,696 83 138 37.6% 0 0 0 0 0 0
Saori Obata #659 #39 836 1,666 42 77 35.3% 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 Lilia Osterloh Saori Obata
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 1996 1–1 50.0% #195 1,518 0 0 1996 0–2 0.0% #300 1,469 0 0
19 1997 2–2 50.0% #170 1,550 0 0 1997 0–1 0.0% #228 1,455 0 0
20 1998 0–5 0.0% #120 1,501 0 0 1998 0–1 0.0% #216 1,440 0 0
21 1999 9–13 40.9% #79 1,545 0 0 1999 0–1 0.0% #455 1,431 0 0
22 2000 15–19 44.1% #43 1,596 0 0 2000 2–2 50.0% #174 1,458 0 0
23 2001 23–25 47.9% #53 1,658 0 0 2001 6–8 42.9% #94 1,512 0 0
24 2002 7–18 28.0% #156 1,535 0 0 2002 3–14 17.6% #126 1,461 0 0
25 2003 0–2 0.0% #180 1,508 0 0 2003 18–17 51.4% #49 1,641 0 0
26 2004 4–5 44.4% #119 1,561 0 0 2004 8–19 29.6% #109 1,488 0 0
27 2005 2–9 18.2% #144 1,488 0 0 2005 4–9 30.8% #110 1,497 0 0
28 2006 6–8 42.9% #118 1,509 0 0 2006 1–3 25.0% #289 1,501 0 0
29 2007 7–12 36.8% #91 1,544 0 0
30 2008 3–10 23.1% #230 1,486 0 0
31 2009 3–3 50.0% #136 1,510 0 0
32 2010 1–6 14.3% #237 1,467 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 Lilia Osterloh Saori Obata
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 %
18 1996 1 1 2 50.0% 1996 0 2 2 0.0%
19 1997 2 1 3 66.7% 0 1 1 0.0% 1997 0 1 1 0.0%
20 1998 0 3 3 0.0% 0 1 1 0.0% 0 1 1 0.0% 1998 0 1 1 0.0%
21 1999 6 8 14 42.9% 2 3 5 40.0% 1 2 3 33.3% 1999 0 1 1 0.0%
22 2000 6 9 15 40.0% 2 5 7 28.6% 5 2 7 71.4% 2 3 5 40.0% 2000 2 2 4 50.0%
23 2001 14 13 27 51.9% 4 6 10 40.0% 2 3 5 40.0% 3 3 6 50.0% 2001 5 6 11 45.5% 0 1 1 0.0% 1 1 2 50.0%
24 2002 6 8 14 42.9% 0 7 7 0.0% 1 2 3 33.3% 0 1 1 0.0% 2002 2 10 12 16.7% 0 1 1 0.0% 1 2 3 33.3% 0 1 1 0.0%
25 2003 0 2 2 0.0% 2003 17 12 29 58.6% 0 1 1 0.0% 1 3 4 25.0% 0 1 1 0.0%
26 2004 4 5 9 44.4% 2004 3 14 17 17.6% 0 2 2 0.0% 4 2 6 66.7% 1 1 2 50.0%
27 2005 0 3 3 0.0% 2 4 6 33.3% 0 1 1 0.0% 0 1 1 0.0% 2005 3 6 9 33.3% 0 2 2 0.0% 1 1 2 50.0%
28 2006 6 6 12 50.0% 0 2 2 0.0% 2006 0 2 2 0.0% 1 1 2 50.0%
29 2007 5 9 14 35.7% 1 1 2 50.0% 1 1 2 50.0% 0 1 1 0.0%
30 2008 3 5 8 37.5% 0 5 5 0.0%
31 2009 2 2 4 50.0% 1 1 2 50.0%
32 2010 1 3 4 25.0% 0 2 2 0.0% 0 1 1 0.0%
Career 56 76 132 42.4% 11 34 45 24.4% 11 18 29 37.9% 5 10 15 33.3% 32 57 89 36.0% 0 4 4 0.0% 6 10 16 37.5% 4 6 10 40.0%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 52/70 of Lilia Osterloh's and 15/79 of Saori Obata's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Lilia Osterloh Saori Obata
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
25 —/— 2003 5/35 0.6 2.8 70.8% 52.6% 45.3% 51.2% 53.5% 50.3% 46.5%
26 —/— 2004 4/27 0.5 5.5 68.2% 52.6% 35.8% 38.5% 41.9% 46.6% 51.2%
27 2005 3/11 0.3 4.3 60.5% 46.3% 46.2% 38.9% 66.7% 46.9% 37.3% 2005 2/13 0.5 2.5 73.0% 62.2% 40.9% 41.1% 25.0% 56.4% 39.4%
28 2006 7/14 0.9 3.6 66.1% 56.0% 39.1% 42.7% 47.9% 49.6% 46.1% 2006 4/4 2.5 2.5 71.7% 60.6% 51.4% 57.3% 31.4% 56.9% 40.2%
29 2007 17/19 1.8 3.6 60.1% 54.8% 45.0% 46.6% 44.5% 50.6% 43.6% —/—
30 2008 12/13 1.3 4.6 58.3% 60.2% 37.4% 55.9% 42.2% 50.7% 42.9% —/—
31 2009 6/6 2.2 2.7 62.8% 60.1% 48.3% 55.1% 59.7% 56.1% 39.6% —/—
32 2010 7/7 2.9 3.0 61.3% 57.0% 39.1% 47.3% 54.5% 50.0% 37.0% —/—
Career 52/221 1.7 3.7 61.0% 56.6% 42.1% 48.9% 48.8% 50.8% 42.1% 15/119 1.1 3.4 70.6% 56.0% 43.8% 48.1% 40.7% 51.9% 45.1%

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 Lilia Osterloh Saori Obata
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
18 1996 1519 110.9 50.0% +0.50 -0.06 1996 1469 96.7 33.3% -0.67 0–2 0–1 +0.30
19 1997 1551 112.0 +33 28.6% -2.00 1–0 +0.04 1997 1455 92.2 0.0% -5.00 +0.11
20 1998 1502 105.3 +38 23.1% -1.85 0–3 (0%) 0–1 +0.07 1998 1440 95.7 0.0% -3.50 +0.16
21 1999 1546 126.1 +29 +17 +5 40.0% -0.98 4–2 (67%) -0.06 1999 1431 100.5 0.0% -3.00 -0.01
22 2000 1596 120.7 -34 -49 +61 42.5% -0.41 8–6 (57%) 3–8 (27%) 101.9 -0.05 2000 1459 104.9 +27 44.4% -0.11 1–0 1–1 +0.07
23 2001 1658 133.0 -4 -132 +27 49.5% -0.09 5–8 (38%) 7–4 (64%) 100.9 -0.27 2001 1512 122.7 +25 46.9% +0.03 1–3 (25%) 1–2 (33%) 99.6 +0.30
24 2002 1535 110.8 +102 -112 +96 29.3% -1.59 5–3 (63%) 2–3 (40%) 102.7 -1.31 2002 1462 107.0 +2 +91 24.3% -1.43 0–3 (0%) 0–4 (0%) 92.1 -0.56
25 2003 1509 94.9 0.0% -2.75 +0.04 2003 1642 127.3 -1.91 +0.72 0.936 48.1% +4 -106 51.3% +0.28 4–4 (50%) 1–5 (17%) 98.2 +0.14
26 2004 1561 130.0 +95 47.6% -0.38 1–2 (33%) 1–1 -0.58 2004 1489 107.8 -2.44 +1.59 0.958 48.7% -21 +92 33.3% -1.02 4–4 (50%) 1–2 (33%) 99.0 +1.03
27 2005 1488 99.5 -2.44 -2.36 0.703 41.7% +105 -60 28.0% -2.08 0–3 (0%) 0–1 -0.27 2005 1497 118.9 +0.68 -0.94 0.902 46.9% -7 35.7% -0.25 0–2 1–2 (33%) -0.13
28 2006 1510 110.3 -2.68 -0.13 0.914 47.9% +82 46.9% -0.19 3–3 (50%) 1–4 (20%) 98.8 +0.94 2006 1502 117.4 -0.93 -1.56 0.933 48.7% -13 33.3% -1.00 0–1 -0.24
29 2007 1545 117.7 -3.39 +0.08 0.882 46.8% +27 41.9% -0.91 1–4 (20%) 1–0 -0.55
30 2008 1486 100.1 -3.07 -1.01 0.871 46.7% +64 -97 24.0% -1.44 1–0 1–3 (25%) +0.06
31 2009 1511 100.3 -0.43 -1.46 0.901 48.5% +43 40.0% -0.40 3–0 (100%) 0–1 +0.33
32 2010 1468 100.5 -2.57 -3.96 0.740 43.5% +60 18.8% -2.19 1–1 0–1 -0.29
Career 1696 123.9 -2.71 -1.06 0.855 46.4% +34 -80 +48 39.2% -0.82 33–35 (49%) 16–27 (37%) 99.8 -0.89 1666 120.5 -1.44 +0.12 0.938 48.3% +1 +31 38.9% -0.51 10–19 (34%) 5–17 (23%) 89.2 +0.98

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.