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

Lilia Osterloh vs Barbara Rittner H2H: 1-0

Lilia Osterloh holds a 1–0 lead over Barbara Rittner in their WTA head-to-head. Across 1 main-draw meeting, Lilia Osterloh leads 1–0 on hard courts. Most recently, Lilia Osterloh won the 1997 US Open round of 128 6-3 1-6 6-3.

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Lilia Osterloh
USA Age 48 Right-Handed 170 cm / 5'7"
H2H
1 – 0
1 main-draw meetings
Barbara Rittner
GER Age 53 Right-Handed 173 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Lilia Osterloh #240 6-3 1-6 6-3 Barbara Rittner #55 Match data Aug 27, 1997* R128 US Open Grand Slam 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
Barbara Rittner #438 #24 661 1,896 211 218 49.2% 0 0 0 0 2 2

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 Barbara Rittner
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 1990 3–3 50.0% #110 1,557 0 0
18 1996 1–1 50.0% #195 1,518 0 0 1991 20–17 54.1% #43 1,708 0 0
19 1997 2–2 50.0% #170 1,550 0 0 1992 25–16 61.0% #29 1,850 0 1
20 1998 0–5 0.0% #120 1,501 0 0 1993 24–17 58.5% #34 1,843 0 1
21 1999 9–13 40.9% #79 1,545 0 0 1994 25–18 58.1% #40 1,819 0 1
22 2000 15–19 44.1% #43 1,596 0 0 1995 17–17 50.0% #51 1,729 0 1
23 2001 23–25 47.9% #53 1,658 0 0 1996 12–16 42.9% #47 1,727 0 1
24 2002 7–18 28.0% #156 1,535 0 0 1997 10–17 37.0% #71 1,652 0 1
25 2003 0–2 0.0% #180 1,508 0 0 1998 13–14 48.1% #66 1,663 0 1
26 2004 4–5 44.4% #119 1,561 0 0 1999 15–18 45.5% #59 1,654 0 1
27 2005 2–9 18.2% #144 1,488 0 0 2000 10–12 45.5% #99 1,661 0 1
28 2006 6–8 42.9% #118 1,509 0 0 2001 16–18 47.1% #68 1,618 0 2
29 2007 7–12 36.8% #91 1,544 0 0 2002 14–19 42.4% #66 1,631 0 2
30 2008 3–10 23.1% #230 1,486 0 0 2003 6–14 30.0% #120 1,567 0 2
31 2009 3–3 50.0% #136 1,510 0 0 2004 1–2 33.3% #235 1,570 0 2
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 Barbara Rittner
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 — — — — — — — — — — — — — — — — — 1990 — — — — 1 1 2 50.0% — — — — 2 2 4 50.0%
18 1996 1 1 2 50.0% — — — — — — — — — — — — 1991 11 10 21 52.4% 3 4 7 42.9% 0 1 1 0.0% 6 2 8 75.0%
19 1997 2 1 3 66.7% — — — — — — — — 0 1 1 0.0% 1992 13 7 20 65.0% 6 5 11 54.5% 2 1 3 66.7% 4 3 7 57.1%
20 1998 0 3 3 0.0% 0 1 1 0.0% 0 1 1 0.0% — — — — 1993 13 10 23 56.5% 8 4 12 66.7% 1 1 2 50.0% 2 2 4 50.0%
21 1999 6 8 14 42.9% 2 3 5 40.0% 1 2 3 33.3% — — — — 1994 11 8 19 57.9% 10 8 18 55.6% 2 1 3 66.7% 2 1 3 66.7%
22 2000 6 9 15 40.0% 2 5 7 28.6% 5 2 7 71.4% 2 3 5 40.0% 1995 6 8 14 42.9% 5 5 10 50.0% — — — — 6 4 10 60.0%
23 2001 14 13 27 51.9% 4 6 10 40.0% 2 3 5 40.0% 3 3 6 50.0% 1996 5 6 11 45.5% 5 6 11 45.5% 0 2 2 0.0% 2 2 4 50.0%
24 2002 6 8 14 42.9% 0 7 7 0.0% 1 2 3 33.3% 0 1 1 0.0% 1997 3 7 10 30.0% 3 4 7 42.9% 2 2 4 50.0% 2 4 6 33.3%
25 2003 — — — — — — — — 0 2 2 0.0% — — — — 1998 2 4 6 33.3% 8 5 13 61.5% 1 1 2 50.0% 2 4 6 33.3%
26 2004 4 5 9 44.4% — — — — — — — — — — — — 1999 3 4 7 42.9% 7 8 15 46.7% 2 2 4 50.0% 3 4 7 42.9%
27 2005 0 3 3 0.0% 2 4 6 33.3% 0 1 1 0.0% 0 1 1 0.0% 2000 2 3 5 40.0% 2 5 7 28.6% 2 2 4 50.0% 4 2 6 66.7%
28 2006 6 6 12 50.0% — — — — 0 2 2 0.0% — — — — 2001 6 9 15 40.0% 8 6 14 57.1% 2 2 4 50.0% 0 1 1 0.0%
29 2007 5 9 14 35.7% 1 1 2 50.0% 1 1 2 50.0% 0 1 1 0.0% 2002 6 10 16 37.5% 5 6 11 45.5% 1 2 3 33.3% 2 1 3 66.7%
30 2008 3 5 8 37.5% 0 5 5 0.0% — — — — — — — — 2003 2 7 9 22.2% 1 5 6 16.7% 3 2 5 60.0% — — — —
31 2009 2 2 4 50.0% — — — — 1 1 2 50.0% — — — — 2004 — — — — 1 2 3 33.3% — — — — — — — —
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% — 83 93 176 47.2% 73 74 147 49.7% 18 19 37 48.6% 37 32 69 53.6%

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 5/23 of Barbara Rittner'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 Barbara Rittner
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%
27 2005 3/11 0.3 4.3 60.5% 46.3% 46.2% 38.9% 66.7% 46.9% 37.3% — —/— — — — — — — — — —
28 2006 7/14 0.9 3.6 66.1% 56.0% 39.1% 42.7% 47.9% 49.6% 46.1% — —/— — — — — — — — — —
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% 2003 3/20 0.3 2.0 64.8% 54.6% 41.8% 54.9% 22.5% 49.8% 30.7%
31 2009 6/6 2.2 2.7 62.8% 60.1% 48.3% 55.1% 59.7% 56.1% 39.6% 2004 2/3 1.5 4.0 61.6% 49.7% 42.0% 49.4% 92.9% 47.2% 52.3%
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% — 5/429 0.8 2.8 63.5% 52.6% 41.9% 52.7% 50.6% 48.8% 39.3%

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 Barbara Rittner
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 — — — — — — — — — — — — — — — — 1990 1557 121.6 — — — — +35 — — 36.4% -1.18 1–0 1–0 — -0.40
18 1996 1519 110.9 — — — — — — — 50.0% +0.50 — — — -0.06 1991 1709 130.4 — — — — +4 -111 — 52.9% +0.15 7–6 (54%) 5–2 (71%) 106.0 +1.01
19 1997 1551 112.0 — — — — +33 — — 28.6% -2.00 1–0 — — +0.04 1992 1850 151.2 — — — — -12 -152 -246 57.8% +0.43 5–2 (71%) 3–4 (43%) 103.8 -1.88
20 1998 1502 105.3 — — — — +38 — — 23.1% -1.85 0–3 (0%) 0–1 — +0.07 1993 1844 151.4 — — — — +11 -88 — 60.9% +0.72 2–7 (22%) 6–4 (60%) 96.7 -1.04
21 1999 1546 126.1 — — — — +29 +17 +5 40.0% -0.98 4–2 (67%) — — -0.06 1994 1820 146.5 — — — — +35 -80 -177 58.9% +0.85 7–6 (54%) 1–3 (25%) 96.8 -1.12
22 2000 1596 120.7 — — — — -34 -49 +61 42.5% -0.41 8–6 (57%) 3–8 (27%) 101.9 -0.05 1995 1729 138.0 — — — — +52 -26 — 53.9% +0.47 5–7 (42%) 3–4 (43%) 96.7 -0.26
23 2001 1658 133.0 — — — — -4 -132 +27 49.5% -0.09 5–8 (38%) 7–4 (64%) 100.9 -0.27 1996 1728 144.8 — — — — +59 -24 — 46.7% -0.05 0–4 (0%) 1–1 — -1.28
24 2002 1535 110.8 — — — — +102 -112 +96 29.3% -1.59 5–3 (63%) 2–3 (40%) 102.7 -1.31 1997 1653 135.9 — — — — +28 +52 -38 42.9% -0.07 4–6 (40%) 1–2 (33%) 96.6 -1.13
25 2003 1509 94.9 — — — — — — — 0.0% -2.75 — — — +0.04 1998 1664 132.7 — — — — -29 +97 — 48.4% +0.21 4–6 (40%) 3–2 (60%) 99.2 -0.20
26 2004 1561 130.0 — — — — +95 — — 47.6% -0.38 1–2 (33%) 1–1 — -0.58 1999 1655 126.4 — — — — +7 +43 -46 45.8% -0.24 5–5 (50%) 2–2 (50%) 100.6 -0.69
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 2000 1661 124.8 — — — — +33 -20 -41 48.1% 0.00 5–5 (50%) 2–3 (40%) 98.8 -0.48
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 2001 1619 127.0 — — — — +17 +56 +14 50.6% +0.30 5–8 (38%) 6–4 (60%) 97.9 -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 2002 1632 131.4 — — — — 0 +51 -45 44.7% -0.11 8–6 (57%) 3–6 (33%) 100.7 -0.85
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 2003 1568 107.0 -0.66 -2.21 0.611 40.9% -12 +39 +86 35.4% -1.04 3–5 (38%) 2–2 (50%) 97.2 -0.85
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 2004 1571 109.3 -1.05 +2.64 0.990 49.4% — +36 — 42.9% -0.43 0–1 — — -0.31
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 — 1897 144.7 -0.82 -0.27 0.767 44.3% +16 -11 -47 50.7% +0.17 61–74 (45%) 39–39 (50%) 96.9 -2.27

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.