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

Monica Niculescu vs Risa Ozaki H2H: 1-0

Monica Niculescu holds a 1–0 lead over Risa Ozaki in their WTA head-to-head. Across 1 main-draw meeting, Monica Niculescu leads 1–0 on hard courts. Most recently, Monica Niculescu won the 2017 Hobart International quarterfinal 6-4 6-4.

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

Monica Niculescu
Romania Age 38 Right-Handed 168 cm / 5'6"
H2H
1 – 0
1 main-draw meetings
Risa Ozaki
Japan Age 32 Right-Handed 163 cm / 5'4"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Monica Niculescu #92 6-1 6-0 Risa Ozaki #136 Match data Feb 10, 2018 Q1 Q Qatar Open Premier 5 → modern equivalent WTA 1000 Hard
Monica Niculescu #40 6-4 6-4 Risa Ozaki #100 Match data Jan 13, 2017* QF Hobart International International → modern equivalent WTA 250 Hard

1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. 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
Monica Niculescu #958 #28 1,960 1,779 179 214 45.5% 0 0 0 0 3 3
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 Monica Niculescu Risa Ozaki
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 2007 0–1 0.0% #152 1,490 0 0 2013 1–3 25.0% #193 1,479 0 0
20 2008 8–15 34.8% #48 1,543 0 0 2014 0–2 0.0% #155 1,453 0 0
21 2009 10–22 31.2% #103 1,522 0 0 2015 2–4 33.3% #160 1,461 0 0
22 2010 6–9 40.0% #82 1,574 0 0 2016 8–8 50.0% #97 1,543 0 0
23 2011 21–15 58.3% #30 1,757 0 0 2017 8–19 29.6% #118 1,459 0 0
24 2012 15–23 39.5% #58 1,639 0 0 2018 0–2 0.0% #289 1,431 0 0
25 2013 22–21 51.2% #59 1,635 0 1 2019 0–1 0.0% #313 1,413 0 0
26 2014 22–19 53.7% #46 1,688 0 2 — — — — — — —
27 2015 20–21 48.8% #39 1,676 0 2 — — — — — — —
28 2016 26–19 57.8% #38 1,758 0 3 — — — — — — —
29 2017 12–19 38.7% #77 1,622 0 3 — — — — — — —
30 2018 9–15 37.5% #99 1,591 0 3 — — — — — — —
31 2019 8–10 44.4% #118 1,638 0 3 — — — — — — —
32 2020 0–2 0.0% #144 1,586 0 3 — — — — — — —
33 2021 0–3 0.0% #274 1,519 0 3 — — — — — — —

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 Monica Niculescu Risa Ozaki
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 %
19 2007 0 1 1 0.0% — — — — — — — — — — — — 2013 1 3 4 25.0% — — — — — — — — — — — —
20 2008 6 10 16 37.5% 1 3 4 25.0% 1 2 3 33.3% — — — — 2014 0 2 2 0.0% — — — — — — — — — — — —
21 2009 6 13 19 31.6% 3 6 9 33.3% 0 2 2 0.0% 1 1 2 50.0% 2015 1 2 3 33.3% 1 2 3 33.3% — — — — — — — —
22 2010 4 7 11 36.4% 1 1 2 50.0% 1 1 2 50.0% — — — — 2016 7 7 14 50.0% — — — — 1 1 2 50.0% — — — —
23 2011 17 9 26 65.4% 3 4 7 42.9% 1 2 3 33.3% — — — — 2017 8 13 21 38.1% 0 2 2 0.0% 0 4 4 0.0% — — — —
24 2012 12 15 27 44.4% 1 5 6 16.7% 1 2 3 33.3% 1 1 2 50.0% 2018 0 2 2 0.0% — — — — — — — — — — — —
25 2013 20 14 34 58.8% 2 4 6 33.3% 0 2 2 0.0% 0 1 1 0.0% 2019 0 1 1 0.0% — — — — — — — — — — — —
26 2014 18 14 32 56.3% 4 4 8 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
27 2015 10 14 24 41.7% 3 3 6 50.0% 7 4 11 63.6% — — — — — — — — — — — — — — — — — — — — —
28 2016 23 13 36 63.9% 2 5 7 28.6% 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — —
29 2017 11 13 24 45.8% 0 4 4 0.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — —
30 2018 9 14 23 39.1% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
31 2019 7 8 15 46.7% — — — — 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — —
32 2020 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
33 2021 0 2 2 0.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
Career — 143 148 291 49.1% 20 40 60 33.3% 14 23 37 37.8% 2 3 5 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 341/394 of Monica Niculescu'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 Monica Niculescu 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 2007 1/1 0.0 4.0 57.4% 45.2% 34.8% 25.0% 100.0% 40.7% 30.8% 2013 4/4 2.8 2.0 67.4% 54.6% 43.1% 24.1% 49.0% 51.0% 43.3%
20 2008 19/23 1.3 1.9 72.5% 54.5% 38.0% 41.9% 45.0% 49.9% 43.0% 2014 2/2 0.0 1.5 66.7% 37.0% 36.0% 23.3% 43.6% 36.7% 45.6%
21 2009 30/32 1.0 1.4 71.6% 55.9% 46.3% 44.0% 48.4% 52.8% 43.8% 2015 3/6 1.3 2.0 77.3% 50.1% 50.1% 33.3% 58.3% 50.4% 41.5%
22 2010 12/15 0.3 1.0 73.4% 53.0% 39.4% 47.7% 45.0% 49.3% 43.9% 2016 13/18 0.4 1.6 67.6% 56.4% 48.8% 52.4% 45.1% 53.9% 47.1%
23 2011 29/36 0.7 1.5 74.9% 55.3% 46.1% 44.2% 60.9% 52.3% 48.8% 2017 26/27 0.9 2.3 69.7% 54.4% 44.8% 49.7% 48.1% 51.4% 41.3%
24 2012 33/38 1.3 1.1 67.1% 58.0% 47.7% 51.8% 46.0% 54.3% 43.3% 2018 2/2 1.0 4.0 66.0% 51.4% 46.8% 39.3% 58.3% 50.0% 37.5%
25 2013 37/43 0.8 1.5 74.6% 59.2% 45.9% 47.0% 52.2% 55.3% 49.4% 2019 1/1 1.0 1.0 63.9% 54.7% 36.7% 30.0% 30.8% 48.2% 43.9%
26 2014 34/41 1.2 3.1 70.2% 60.8% 41.3% 50.8% 59.1% 55.0% 51.0% — —/— — — — — — — — — —
27 2015 32/41 1.1 2.8 70.4% 60.4% 46.2% 47.8% 43.9% 55.9% 43.1% — —/— — — — — — — — — —
28 2016 41/46 1.3 1.9 71.6% 57.0% 43.8% 43.2% 51.4% 53.4% 50.0% — —/— — — — — — — — — —
29 2017 27/31 0.4 1.2 82.8% 52.1% 47.0% 51.7% 49.9% 51.2% 44.9% — —/— — — — — — — — — —
30 2018 23/24 0.3 1.5 77.6% 55.6% 46.3% 46.4% 51.8% 53.0% 47.4% — —/— — — — — — — — — —
31 2019 18/18 0.4 1.5 79.1% 56.5% 45.6% 37.0% 46.4% 54.6% 46.2% — —/— — — — — — — — — —
32 2020 2/2 1.0 1.5 79.6% 49.7% 35.3% 49.4% 42.2% 46.7% 40.2% — —/— — — — — — — — — —
33 2021 3/3 0.3 1.3 74.9% 47.5% 49.1% 46.0% 50.0% 46.5% 36.7% — —/— — — — — — — — — —
Career — 341/394 0.9 1.8 73.4% 56.9% 44.8% 46.4% 50.7% 53.3% 46.5% — 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 Monica Niculescu 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 2007 1491 98.2 -0.35 +1.13 0.519 36.6% — — — 0.0% -4.50 — — — +0.05 2013 1479 100.5 -0.69 -1.45 0.884 47.3% +14 — — 40.0% -0.30 0–2 0–2 — +0.33
20 2008 1543 120.1 -2.90 -0.19 0.859 46.3% +10 -13 +47 34.6% -1.12 4–6 (40%) 1–2 (33%) 99.8 +0.05 2014 1454 94.5 -4.28 -1.88 0.720 41.7% — — — 0.0% -3.25 — 0–1 — +0.10
21 2009 1523 112.7 -2.66 -0.26 0.928 48.0% +26 -22 — 34.7% -1.10 3–7 (30%) 2–1 (67%) — +0.79 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 2010 1574 117.8 -2.83 +0.34 0.866 46.8% -1 — — 41.7% -0.81 3–3 (50%) 1–2 (33%) 101.0 -0.32 2016 1543 117.7 -1.97 +1.29 1.022 50.5% -3 — — 48.6% +0.13 3–2 (60%) — — -0.25
23 2011 1758 133.3 -2.06 +3.84 1.021 50.5% -10 -238 -215 53.8% +0.41 7–3 (70%) 3–5 (38%) 103.5 +0.37 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 2012 1640 125.0 -1.30 -0.32 0.949 48.8% +48 -164 -85 42.4% -0.47 3–8 (27%) 6–1 (86%) 96.9 +0.44 2018 1431 96.7 -0.80 -0.31 0.750 44.9% — — — 0.0% -2.75 — — — -0.03
25 2013 1635 132.6 -0.55 +4.14 1.104 52.3% +66 -181 — 52.1% +0.24 6–8 (43%) 4–2 (67%) 97.6 -0.53 2019 1414 105.7 +0.69 -0.20 0.847 46.1% — — — 33.3% -1.67 0–1 — — -0.13
26 2014 1688 140.2 -1.17 +5.03 1.133 53.0% +7 -148 — 57.1% +1.03 8–12 (40%) 2–6 (25%) 93.9 -0.85 — — — — — — — — — — — — — — — —
27 2015 1677 131.5 -1.57 +1.81 0.978 49.6% -20 -106 -62 50.0% +0.03 10–10 (50%) 4–0 (100%) 105.1 -0.95 — — — — — — — — — — — — — — — —
28 2016 1759 135.4 -1.87 +5.53 1.073 51.7% +23 -229 — 56.0% +0.42 8–6 (57%) 1–4 (20%) 100.6 +0.22 — — — — — — — — — — — — — — — —
29 2017 1622 118.4 -3.66 +1.26 0.920 48.1% +24 -137 -27 40.9% -0.64 5–5 (50%) 3–2 (60%) 100.1 +0.21 — — — — — — — — — — — — — — — —
30 2018 1591 133.1 -2.27 +2.61 1.010 50.2% +6 — — 39.6% -0.48 3–5 (38%) 1–2 (33%) — -0.38 — — — — — — — — — — — — — — — —
31 2019 1638 129.0 -1.03 +1.89 1.019 50.3% +11 — -43 46.2% -0.05 3–4 (43%) 2–5 (29%) 98.8 -0.23 — — — — — — — — — — — — — — — —
32 2020 1587 99.7 -1.05 +1.06 0.754 43.7% — — — 33.3% -2.34 0–2 — — -0.11 — — — — — — — — — — — — — — — —
33 2021 1519 98.6 -2.42 -0.40 0.685 41.9% — — — 0.0% -3.17 — — — -0.37 — — — — — — — — — — — — — — — —
35 2023 1531 101.7 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 1780 134.0 -1.87 +2.44 0.996 49.9% +19 -140 -64 46.8% -0.13 63–79 (44%) 30–32 (48%) 97.9 -0.41 — 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.