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

Jelena Kostanic Tosic vs Lilia Osterloh H2H: 1-0

Jelena Kostanic Tosic holds a 1–0 lead over Lilia Osterloh in their WTA head-to-head. Across 1 main-draw meeting, Jelena Kostanic Tosic leads 1–0 on clay. Most recently, Jelena Kostanic Tosic won the 2005 Prague Open round of 32 6-3 7-6(6).

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Jelena Kostanic Tosic
CRO Age 45 Left-Handed 168 cm / 5'6"
H2H
1 – 0
1 main-draw meetings
Lilia Osterloh
USA Age 48 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Jelena Kostanic Tosic #56 6-3 7-6(6) Lilia Osterloh #103 Match data May 12, 2005* R32 Prague Open Tier IV → modern equivalent WTA 250 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
Jelena Kostanic Tosic #937 #32 900 1,709 112 152 42.4% 0 0 0 0 0 0
Lilia Osterloh #1,223 #41 738 1,696 83 138 37.6% 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 Jelena Kostanic Tosic Lilia Osterloh
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1998 1–2 33.3% #240 1,490 0 0 — — — — — — —
17 1999 4–5 44.4% #97 1,512 0 0 — — — — — — —
18 2000 10–13 43.5% #114 1,523 0 0 1996 1–1 50.0% #195 1,518 0 0
19 2001 4–4 50.0% #131 1,559 0 0 1997 2–2 50.0% #170 1,550 0 0
20 2002 14–17 45.2% #70 1,571 0 0 1998 0–5 0.0% #120 1,501 0 0
21 2003 16–20 44.4% #66 1,621 0 0 1999 9–13 40.9% #79 1,545 0 0
22 2004 22–26 45.8% #35 1,665 0 0 2000 15–19 44.1% #43 1,596 0 0
23 2005 11–21 34.4% #87 1,546 0 0 2001 23–25 47.9% #53 1,658 0 0
24 2006 19–18 51.4% #51 1,576 0 0 2002 7–18 28.0% #156 1,535 0 0
25 2007 10–17 37.0% #103 1,534 0 0 2003 0–2 0.0% #180 1,508 0 0
26 2008 1–5 16.7% #114 1,512 0 0 2004 4–5 44.4% #119 1,561 0 0
27 — — — — — — — 2005 2–9 18.2% #144 1,488 0 0
28 2010 0–4 0.0% #830 1,472 0 0 2006 6–8 42.9% #118 1,509 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 Jelena Kostanic Tosic Lilia Osterloh
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 %
16 1998 — — — — 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — — — — — —
17 1999 1 2 3 33.3% 2 2 4 50.0% — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — —
18 2000 4 3 7 57.1% 6 7 13 46.2% 0 2 2 0.0% 0 1 1 0.0% 1996 1 1 2 50.0% — — — — — — — — — — — —
19 2001 0 2 2 0.0% 4 2 6 66.7% — — — — — — — — 1997 2 1 3 66.7% — — — — — — — — 0 1 1 0.0%
20 2002 7 8 15 46.7% 7 8 15 46.7% 0 1 1 0.0% — — — — 1998 0 3 3 0.0% 0 1 1 0.0% 0 1 1 0.0% — — — —
21 2003 6 9 15 40.0% 9 8 17 52.9% 0 1 1 0.0% 1 2 3 33.3% 1999 6 8 14 42.9% 2 3 5 40.0% 1 2 3 33.3% — — — —
22 2004 11 18 29 37.9% 11 6 17 64.7% 0 2 2 0.0% — — — — 2000 6 9 15 40.0% 2 5 7 28.6% 5 2 7 71.4% 2 3 5 40.0%
23 2005 2 10 12 16.7% 9 8 17 52.9% 0 2 2 0.0% 0 1 1 0.0% 2001 14 13 27 51.9% 4 6 10 40.0% 2 3 5 40.0% 3 3 6 50.0%
24 2006 18 14 32 56.3% 0 2 2 0.0% 1 2 3 33.3% — — — — 2002 6 8 14 42.9% 0 7 7 0.0% 1 2 3 33.3% 0 1 1 0.0%
25 2007 9 11 20 45.0% 1 5 6 16.7% 0 1 1 0.0% — — — — 2003 — — — — — — — — 0 2 2 0.0% — — — —
26 2008 0 2 2 0.0% 1 3 4 25.0% — — — — — — — — 2004 4 5 9 44.4% — — — — — — — — — — — —
27 — — — — — — — — — — — — — — — — — 2005 0 3 3 0.0% 2 4 6 33.3% 0 1 1 0.0% 0 1 1 0.0%
28 2010 0 2 2 0.0% 0 2 2 0.0% — — — — — — — — 2006 6 6 12 50.0% — — — — 0 2 2 0.0% — — — —
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 — 58 81 139 41.7% 51 55 106 48.1% 1 11 12 8.3% 2 5 7 28.6% — 56 76 132 42.4% 11 34 45 24.4% 11 18 29 37.9% 5 10 15 33.3%

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 47/190 of Jelena Kostanic Tosic's and 52/70 of Lilia Osterloh'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 Jelena Kostanic Tosic Lilia Osterloh
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%
21 2003 4/36 0.5 3.0 64.8% 51.0% 50.9% 32.3% 40.3% 50.9% 36.3% — —/— — — — — — — — — —
22 2004 6/48 0.5 2.5 66.8% 51.0% 50.3% 56.5% 44.0% 50.4% 40.8% — —/— — — — — — — — — —
23 2005 5/32 1.6 3.8 67.1% 63.2% 35.8% 50.5% 43.7% 53.6% 40.1% — —/— — — — — — — — — —
24 2006 8/37 1.5 2.6 67.9% 56.8% 43.5% 51.7% 53.3% 51.9% 38.7% — —/— — — — — — — — — —
25 2007 17/27 1.6 3.1 67.6% 61.5% 44.5% 53.1% 41.7% 56.0% 38.3% — —/— — — — — — — — — —
26 2008 3/6 1.7 2.3 63.3% 62.0% 51.1% 65.9% 10.0% 58.1% 29.2% — —/— — — — — — — — — —
27 — —/— — — — — — — — — — 2005 3/11 0.3 4.3 60.5% 46.3% 46.2% 38.9% 66.7% 46.9% 37.3%
28 2010 4/4 1.0 4.5 64.0% 46.6% 41.6% 36.1% 38.8% 44.8% 36.4% 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%
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 — 47/264 1.3 3.1 66.7% 57.4% 44.8% 50.6% 41.8% 53.1% 38.0% — 52/221 1.7 3.7 61.0% 56.6% 42.1% 48.9% 48.8% 50.8% 42.1%

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 Jelena Kostanic Tosic Lilia Osterloh
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
16 1998 1491 103.8 — — — — — +41 — 42.9% +0.43 0–1 0–1 — +0.18 — — — — — — — — — — — — — — — —
17 1999 1512 116.4 — — — — +24 +37 — 45.5% -0.14 2–2 (50%) 0–1 — +0.26 — — — — — — — — — — — — — — — —
18 2000 1524 108.3 — — — — +37 +30 — 42.0% -0.68 3–1 (75%) 3–1 (75%) 105.1 +0.85 1996 1519 110.9 — — — — — — — 50.0% +0.50 — — — -0.06
19 2001 1560 116.2 — — — — — +73 — 47.1% +0.18 1–2 (33%) 2–1 (67%) 101.0 -0.13 1997 1551 112.0 — — — — +33 — — 28.6% -2.00 1–0 — — +0.04
20 2002 1571 111.3 — — — — -20 +34 — 42.5% -0.31 8–3 (73%) 2–5 (29%) 105.9 +0.28 1998 1502 105.3 — — — — +38 — — 23.1% -1.85 0–3 (0%) 0–1 — +0.07
21 2003 1622 120.1 -1.74 -2.49 0.739 43.5% -56 +59 — 45.1% -0.46 5–5 (50%) 3–6 (33%) 97.7 -0.06 1999 1546 126.1 — — — — +29 +17 +5 40.0% -0.98 4–2 (67%) — — -0.06
22 2004 1666 129.7 -1.40 -1.09 0.823 45.7% -81 +96 — 45.4% -0.19 9–7 (56%) 6–5 (55%) 105.6 -0.69 2000 1596 120.7 — — — — -34 -49 +61 42.5% -0.41 8–6 (57%) 3–8 (27%) 101.9 -0.05
23 2005 1547 120.0 -0.58 -1.27 0.864 46.7% -47 +195 — 37.0% -0.73 4–5 (44%) 3–3 (50%) 99.4 +0.09 2001 1658 133.0 — — — — -4 -132 +27 49.5% -0.09 5–8 (38%) 7–4 (64%) 100.9 -0.27
24 2006 1577 119.3 -2.62 -2.72 0.804 45.9% +30 — -175 50.6% -0.05 6–5 (55%) 3–2 (60%) 100.9 +1.44 2002 1535 110.8 — — — — +102 -112 +96 29.3% -1.59 5–3 (63%) 2–3 (40%) 102.7 -1.31
25 2007 1534 105.5 -0.32 -3.82 0.871 47.4% +40 +66 — 38.6% -1.12 3–2 (60%) 0–2 — -0.47 2003 1509 94.9 — — — — — — — 0.0% -2.75 — — — +0.04
26 2008 1513 110.2 +2.02 -2.68 0.696 44.8% — +50 — 22.2% -1.78 1–0 2–0 — -0.46 2004 1561 130.0 — — — — +95 — — 47.6% -0.38 1–2 (33%) 1–1 — -0.58
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
28 2010 1472 103.1 -1.62 -2.01 0.660 40.8% — — — 0.0% -3.25 — — — -0.15 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
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 — 1710 121.9 -0.96 -2.67 0.809 45.8% -15 +80 -175 42.8% -0.47 42–33 (56%) 24–27 (47%) 105.1 +0.43 — 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

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.