H2H data updated: 2026-09-13 00:00 UTC

Elitsa Kostova vs Risa Ozaki H2H: 0-1

Risa Ozaki holds a 1–0 lead over Elitsa Kostova in their WTA head-to-head. Across 1 main-draw meeting, Risa Ozaki leads 1–0 on hard courts. Most recently, Risa Ozaki won the 2016 Tashkent first round 3-6 6-4 6-1.

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

Elitsa Kostova
Bulgaria Age 36 Right-Handed 172 cm / 5'8"
H2H
0 – 1
1 main-draw meetings
Risa Ozaki
Japan Age 32 Right-Handed 163 cm / 5'4"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Risa Ozaki #126 3-6 6-4 6-1 Elitsa Kostova #134 Match data Sep 28, 2016* R32 Tashkent International → 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
Elitsa Kostova #1,063 #130 456 1,546 8 18 30.8% 0 0 0 0 0 0
Risa Ozaki #1,109 #70 826 1,646 19 39 32.8% 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 Elitsa Kostova Risa Ozaki
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 — — — — — — — 2013 1–3 25.0% #193 1,479 0 0
20 — — — — — — — 2014 0–2 0.0% #155 1,453 0 0
21 — — — — — — — 2015 2–4 33.3% #160 1,461 0 0
22 2012 0–1 0.0% #252 1,482 0 0 2016 8–8 50.0% #97 1,543 0 0
23 — — — — — — — 2017 8–19 29.6% #118 1,459 0 0
24 2014 1–1 50.0% #208 1,487 0 0 2018 0–2 0.0% #289 1,431 0 0
25 2015 1–1 50.0% #247 1,485 0 0 2019 0–1 0.0% #313 1,413 0 0
26 2016 3–8 27.3% #136 1,453 0 0 — — — — — — —
27 2017 1–4 20.0% #201 1,448 0 0 — — — — — — —
28 2018 2–2 50.0% #214 1,529 0 0 — — — — — — —
29 2019 0–1 0.0% #199 1,462 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 Elitsa Kostova Risa Ozaki
Yr HardClayGrass Yr HardClayGrass
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
19 — — — — — — — — — — — — — 2013 1 3 4 25.0% — — — — — — — —
20 — — — — — — — — — — — — — 2014 0 2 2 0.0% — — — — — — — —
21 — — — — — — — — — — — — — 2015 1 2 3 33.3% 1 2 3 33.3% — — — —
22 2012 0 1 1 0.0% — — — — — — — — 2016 7 7 14 50.0% — — — — 1 1 2 50.0%
23 — — — — — — — — — — — — — 2017 8 13 21 38.1% 0 2 2 0.0% 0 4 4 0.0%
24 2014 — — — — 1 1 2 50.0% — — — — 2018 0 2 2 0.0% — — — — — — — —
25 2015 — — — — 1 1 2 50.0% — — — — 2019 0 1 1 0.0% — — — — — — — —
26 2016 0 4 4 0.0% 3 4 7 42.9% — — — — — — — — — — — — — — — — —
27 2017 0 1 1 0.0% 1 3 4 25.0% — — — — — — — — — — — — — — — — —
28 2018 — — — — 2 2 4 50.0% — — — — — — — — — — — — — — — — —
29 2019 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
Career — 0 6 6 0.0% 8 12 20 40.0% — — — — — 17 30 47 36.2% 1 4 5 20.0% 1 5 6 16.7%

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 24/26 of Elitsa Kostova's and 51/60 of Risa Ozaki'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 Elitsa Kostova Risa Ozaki
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%
19 — —/— — — — — — — — — — 2013 4/4 2.8 2.0 67.4% 54.6% 43.1% 24.1% 49.0% 51.0% 43.3%
20 — —/— — — — — — — — — — 2014 2/2 0.0 1.5 66.7% 37.0% 36.0% 23.3% 43.6% 36.7% 45.6%
21 — —/— — — — — — — — — — 2015 3/6 1.3 2.0 77.3% 50.1% 50.1% 33.3% 58.3% 50.4% 41.5%
22 2012 1/1 3.0 5.0 58.5% 54.8% 13.6% 33.3% 40.0% 37.7% 37.3% 2016 13/18 0.4 1.6 67.6% 56.4% 48.8% 52.4% 45.1% 53.9% 47.1%
23 — —/— — — — — — — — — — 2017 26/27 0.9 2.3 69.7% 54.4% 44.8% 49.7% 48.1% 51.4% 41.3%
24 — —/— — — — — — — — — — 2018 2/2 1.0 4.0 66.0% 51.4% 46.8% 39.3% 58.3% 50.0% 37.5%
25 2015 2/2 0.0 1.0 67.0% 47.0% 61.0% 31.3% 52.5% 51.9% 38.4% 2019 1/1 1.0 1.0 63.9% 54.7% 36.7% 30.0% 30.8% 48.2% 43.9%
26 2016 11/13 1.0 1.8 64.9% 51.8% 36.8% 35.5% 67.5% 46.3% 39.0% — —/— — — — — — — — — —
27 2017 5/5 0.4 0.6 67.3% 57.8% 51.1% 54.9% 55.3% 54.7% 39.5% — —/— — — — — — — — — —
28 2018 4/4 2.3 2.3 63.6% 52.6% 41.8% 59.0% 82.4% 48.5% 41.0% — —/— — — — — — — — — —
29 2019 1/1 0.0 2.0 58.8% 60.0% 23.8% 37.5% 16.7% 45.1% 37.7% — —/— — — — — — — — — —
Career — 24/28 1.0 1.7 64.8% 53.3% 41.1% 43.1% 62.9% 48.5% 39.3% — 51/60 0.9 2.1 69.1% 53.9% 45.6% 45.6% 47.9% 51.3% 43.0%

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 Elitsa Kostova Risa Ozaki
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
19 — — — — — — — — — — — — — — — — 2013 1479 100.5 -0.69 -1.45 0.884 47.3% +14 — — 40.0% -0.30 0–2 0–2 — +0.33
20 — — — — — — — — — — — — — — — — 2014 1454 94.5 -4.28 -1.88 0.720 41.7% — — — 0.0% -3.25 — 0–1 — +0.10
21 — — — — — — — — — — — — — — — — 2015 1462 105.9 -1.76 +0.10 0.837 45.9% +8 +68 — 30.8% -1.00 1–0 0–1 — -0.17
22 2012 1482 94.3 -1.80 -2.20 0.598 37.5% — — — 0.0% -4.00 — — — +0.18 2016 1543 117.7 -1.97 +1.29 1.022 50.5% -3 — — 48.6% +0.13 3–2 (60%) — — -0.25
23 — — — — — — — — — — — — — — — — 2017 1460 109.2 -3.70 -1.80 0.851 46.5% +36 — +90 29.0% -1.45 6–4 (60%) 2–5 (29%) 101.1 -0.58
24 2014 1488 97.4 — — — — — — — 40.0% -0.60 1–0 — — +0.12 2018 1431 96.7 -0.80 -0.31 0.750 44.9% — — — 0.0% -2.75 — — — -0.03
25 2015 1485 97.3 +0.26 -1.24 0.798 45.6% — — — 40.0% -0.60 1–0 — — +0.33 2019 1414 105.7 +0.69 -0.20 0.847 46.1% — — — 33.3% -1.67 0–1 — — -0.13
26 2016 1453 96.1 -4.69 -3.14 0.726 43.1% -29 +147 — 30.4% -2.09 0–1 1–1 — +1.01 — — — — — — — — — — — — — — — —
27 2017 1448 101.5 -2.45 -1.65 0.873 47.6% — +114 — 20.0% -1.40 — 0–1 — -0.02 — — — — — — — — — — — — — — — —
28 2018 1530 99.2 -3.01 -2.04 0.796 46.0% — +84 — 44.4% -0.67 1–0 — — +0.39 — — — — — — — — — — — — — — — —
29 2019 1462 96.3 -4.16 -3.78 0.687 41.1% — — — 0.0% -4.00 — — — +0.10 — — — — — — — — — — — — — — — —
30 2020 1422 92.6 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
31 2021 1414 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 1546 95.4 -3.39 -2.48 0.762 44.4% -29 +121 — 30.4% -1.61 3–1 (75%) 1–2 (33%) 102.3 +8.12 — 1646 110.8 -2.73 -0.79 0.883 47.3% +19 +68 +90 33.8% -0.98 10–9 (53%) 2–9 (18%) 98.0 -1.26

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.