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

Risa Ozaki vs Louisa Chirico H2H: 1-0

Risa Ozaki holds a 1–0 lead over Louisa Chirico 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 2017 Miami Open first round 3-6 7-5 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.

Risa Ozaki
Japan Age 32 Right-Handed 163 cm / 5'4"
H2H
1 – 0
1 main-draw meetings
Louisa Chirico
United States Age 30 Right-Handed 175 cm / 5'9"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Risa Ozaki #87 3-6 7-5 6-1 Louisa Chirico #63 Match data Mar 23, 2017* R128 Miami Open Premier Mandatory → modern equivalent WTA 1000 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
Risa Ozaki #1,109 #70 826 1,646 19 39 32.8% 0 0 0 0 0 0
Louisa Chirico #453 #58 1,020 1,651 19 46 29.2% 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 Risa Ozaki Louisa Chirico
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 2013 1–3 25.0% #193 1,479 0 0 2015 3–8 27.3% #111 1,484 0 0
20 2014 0–2 0.0% #155 1,453 0 0 2016 11–14 44.0% #68 1,646 0 0
21 2015 2–4 33.3% #160 1,461 0 0 2017 2–10 16.7% #208 1,555 0 0
22 2016 8–8 50.0% #97 1,543 0 0 — — — — — — —
23 2017 8–19 29.6% #118 1,459 0 0 — — — — — — —
24 2018 0–2 0.0% #289 1,431 0 0 — — — — — — —
25 2019 0–1 0.0% #313 1,413 0 0 — — — — — — —
26 — — — — — — — 2022 1–3 25.0% #163 1,573 0 0
27 — — — — — — — 2023 0–6 0.0% #266 1,585 0 0
28 — — — — — — — 2024 0–2 0.0% #172 1,565 0 0
29 — — — — — — — 2025 2–3 40.0% #176 1,619 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 Risa Ozaki Louisa Chirico
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% — — — — — — — — 2015 3 5 8 37.5% 0 3 3 0.0% — — — —
20 2014 0 2 2 0.0% — — — — — — — — 2016 4 9 13 30.8% 7 4 11 63.6% 0 1 1 0.0%
21 2015 1 2 3 33.3% 1 2 3 33.3% — — — — 2017 1 6 7 14.3% 1 4 5 20.0% — — — —
22 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 2018 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
25 2019 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
26 — — — — — — — — — — — — — 2022 1 2 3 33.3% — — — — 0 1 1 0.0%
27 — — — — — — — — — — — — — 2023 0 3 3 0.0% 0 3 3 0.0% — — — —
28 — — — — — — — — — — — — — 2024 0 1 1 0.0% 0 1 1 0.0% — — — —
29 — — — — — — — — — — — — — 2025 0 1 1 0.0% 2 2 4 50.0% — — — —
Career — 17 30 47 36.2% 1 4 5 20.0% 1 5 6 16.7% — 9 27 36 25.0% 10 17 27 37.0% 0 2 2 0.0%

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 51/60 of Risa Ozaki's and 57/66 of Louisa Chirico'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 Risa Ozaki Louisa Chirico
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% 2015 9/11 1.9 5.0 54.8% 59.5% 47.6% 41.1% 46.6% 54.1% 37.8%
20 2014 2/2 0.0 1.5 66.7% 37.0% 36.0% 23.3% 43.6% 36.7% 45.6% 2016 23/26 2.2 4.4 56.3% 60.6% 42.3% 51.4% 51.7% 52.8% 41.8%
21 2015 3/6 1.3 2.0 77.3% 50.1% 50.1% 33.3% 58.3% 50.4% 41.5% 2017 10/12 1.2 4.3 60.0% 55.5% 36.2% 51.0% 53.0% 47.0% 39.4%
22 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 2019 1/1 1.0 1.0 63.9% 54.7% 36.7% 30.0% 30.8% 48.2% 43.9% — —/— — — — — — — — — —
26 — —/— — — — — — — — — — 2022 4/4 1.0 5.0 61.1% 52.9% 33.9% 41.9% 47.9% 45.6% 31.5%
27 — —/— — — — — — — — — — 2023 6/6 0.8 5.5 59.5% 56.7% 42.4% 44.7% 28.3% 50.8% 35.8%
28 — —/— — — — — — — — — — 2024 2/2 2.0 4.5 58.4% 55.1% 43.7% 48.6% 41.7% 50.0% 36.7%
29 — —/— — — — — — — — — — 2025 3/5 2.3 6.3 62.0% 61.2% 38.6% 49.8% 42.4% 53.0% 41.0%
Career — 51/60 0.9 2.1 69.1% 53.9% 45.6% 45.6% 47.9% 51.3% 43.0% — 57/66 1.7 4.8 57.8% 58.4% 41.3% 48.1% 47.5% 51.2% 39.2%

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 Risa Ozaki Louisa Chirico
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 2015 1484 100.4 -1.54 -1.22 0.824 45.7% +25 +7 — 30.8% -1.08 2–2 (50%) 1–0 — -0.05
20 2014 1454 94.5 -4.28 -1.88 0.720 41.7% — — — 0.0% -3.25 — 0–1 — +0.10 2016 1647 125.1 -1.16 +0.15 0.885 47.5% -59 -1 — 42.6% -0.65 3–5 (38%) 1–3 (25%) — -1.75
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 2017 1556 105.3 -4.61 -3.18 0.744 43.3% -15 +36 — 25.0% -1.96 0–2 1–0 — -0.30
22 2016 1543 117.7 -1.97 +1.29 1.022 50.5% -3 — — 48.6% +0.13 3–2 (60%) — — -0.25 2018 1492 99.9 — — — — — — — — — — — — —
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 2018 1431 96.7 -0.80 -0.31 0.750 44.9% — — — 0.0% -2.75 — — — -0.03 — — — — — — — — — — — — — — — —
25 2019 1414 105.7 +0.69 -0.20 0.847 46.1% — — — 33.3% -1.67 0–1 — — -0.13 2021 1494 92.9 — — — — — — — — — — — — —
26 — — — — — — — — — — — — — — — — 2022 1573 109.0 -2.38 -1.87 0.578 39.3% +7 — — 22.2% -2.89 1–0 1–0 — -0.24
27 — — — — — — — — — — — — — — — — 2023 1586 114.4 -2.42 -3.39 0.728 43.2% -24 +64 — 7.7% -2.54 0–1 0–3 (0%) — -0.24
28 — — — — — — — — — — — — — — — — 2024 1566 113.9 +0.80 -0.39 0.735 43.8% — — — 20.0% -2.00 0–1 — — -0.41
29 — — — — — — — — — — — — — — — — 2025 1620 105.5 -2.01 -2.02 0.871 47.1% — +89 — 42.9% -0.65 2–2 (50%) — — -0.18
30 — — — — — — — — — — — — — — — — 2026 1531 96.1 — — — — — — — — — — — — —
Career — 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 — 1651 114.8 -2.02 -1.30 0.802 45.3% -21 +28 — 32.4% -1.30 8–13 (38%) 4–6 (40%) 96.6 -4.95

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.