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

Ann Li vs Monica Niculescu

Compare the head-to-head record, career totals, season-by-season performance, and match log for Ann Li vs Monica Niculescu.

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Ann Li
United States Age 26 Right-Handed 170 cm / 5'7"
H2H
0 – 0
0 main-draw meetings
Monica Niculescu
Romania Age 38 Right-Handed 168 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Monica Niculescu #71 6-3 6-0 Ann Li #479 Match data Mar 5, 2018 Q1 Q Indian Wells Open Premier Mandatory → modern equivalent WTA 1000 Hard

1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. 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
Ann Li #28 #28 1,683 1,844 95 85 52.8% 0 0 0 0 2 2
Monica Niculescu #958 #28 1,960 1,779 179 214 45.5% 0 0 0 0 3 3

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 Ann Li Monica Niculescu
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 — — — — — — — 2007 0–1 0.0% #152 1,490 0 0
20 2020 3–4 42.9% #98 1,613 0 0 2008 8–15 34.8% #48 1,543 0 0
21 2021 19–10 65.5% #47 1,755 0 1 2009 10–22 31.2% #103 1,522 0 0
22 2022 11–16 40.7% #129 1,666 0 1 2010 6–9 40.0% #82 1,574 0 0
23 2023 1–4 20.0% #169 1,668 0 1 2011 21–15 58.3% #30 1,757 0 0
24 2024 7–5 58.3% #96 1,706 0 1 2012 15–23 39.5% #58 1,639 0 0
25 2025 30–23 56.6% #38 1,816 0 2 2013 22–21 51.2% #59 1,635 0 1
26 2026 24–23 51.1% #28 1,792 0 2 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 Ann Li Monica Niculescu
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% — — — — — — — — — — — —
20 2020 3 4 7 42.9% — — — — — — — — — — — — 2008 6 10 16 37.5% 1 3 4 25.0% 1 2 3 33.3% — — — —
21 2021 17 7 24 70.8% 1 1 2 50.0% 1 2 3 33.3% — — — — 2009 6 13 19 31.6% 3 6 9 33.3% 0 2 2 0.0% 1 1 2 50.0%
22 2022 8 11 19 42.1% 0 1 1 0.0% 3 4 7 42.9% — — — — 2010 4 7 11 36.4% 1 1 2 50.0% 1 1 2 50.0% — — — —
23 2023 1 4 5 20.0% — — — — — — — — — — — — 2011 17 9 26 65.4% 3 4 7 42.9% 1 2 3 33.3% — — — —
24 2024 5 4 9 55.6% 2 1 3 66.7% — — — — — — — — 2012 12 15 27 44.4% 1 5 6 16.7% 1 2 3 33.3% 1 1 2 50.0%
25 2025 21 15 36 58.3% 7 6 13 53.8% 2 2 4 50.0% — — — — 2013 20 14 34 58.8% 2 4 6 33.3% 0 2 2 0.0% 0 1 1 0.0%
26 2026 13 14 27 48.1% 9 6 15 60.0% 2 3 5 40.0% — — — — 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 — 68 59 127 53.5% 19 15 34 55.9% 8 11 19 42.1% — — — — — 143 148 291 49.1% 20 40 60 33.3% 14 23 37 37.8% 2 3 5 40.0%

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 165/181 of Ann Li's and 341/394 of Monica Niculescu'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 Ann Li Monica Niculescu
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%
20 2020 7/7 1.6 1.4 65.4% 60.3% 45.8% 47.0% 36.5% 55.3% 40.2% 2008 19/23 1.3 1.9 72.5% 54.5% 38.0% 41.9% 45.0% 49.9% 43.0%
21 2021 29/29 2.0 2.8 60.3% 63.9% 50.2% 57.1% 48.1% 58.7% 47.0% 2009 30/32 1.0 1.4 71.6% 55.9% 46.3% 44.0% 48.4% 52.8% 43.8%
22 2022 25/27 1.8 2.7 60.9% 61.1% 44.6% 53.2% 42.5% 54.5% 40.9% 2010 12/15 0.3 1.0 73.4% 53.0% 39.4% 47.7% 45.0% 49.3% 43.9%
23 2023 5/5 2.4 2.2 54.4% 63.4% 45.2% 51.9% 43.3% 54.6% 37.0% 2011 29/36 0.7 1.5 74.9% 55.3% 46.1% 44.2% 60.9% 52.3% 48.8%
24 2024 12/12 1.7 2.3 66.0% 65.9% 44.5% 51.4% 45.0% 58.5% 47.5% 2012 33/38 1.3 1.1 67.1% 58.0% 47.7% 51.8% 46.0% 54.3% 43.3%
25 2025 42/54 4.5 2.4 58.4% 66.4% 48.0% 50.5% 45.8% 58.6% 44.4% 2013 37/43 0.8 1.5 74.6% 59.2% 45.9% 47.0% 52.2% 55.3% 49.4%
26 2026 45/47 4.8 2.8 58.5% 67.8% 45.0% 57.2% 47.2% 58.4% 42.0% 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 — 165/181 3.3 2.6 59.9% 65.2% 46.6% 53.8% 45.6% 57.7% 43.5% — 341/394 0.9 1.8 73.4% 56.9% 44.8% 46.4% 50.7% 53.3% 46.5%

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 Ann Li Monica Niculescu
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
18 2018 1511 99.7 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
19 2019 1527 — — — — — — — — — — — — — — 2007 1491 98.2 -0.35 +1.13 0.519 36.6% — — — 0.0% -4.50 — — — +0.05
20 2020 1613 127.7 -1.21 -0.60 0.898 47.9% +17 — — 40.0% -0.60 1–0 2–0 — +0.13 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
21 2021 1755 141.4 +1.81 +2.79 1.138 52.9% +27 — -163 62.5% +0.88 4–4 (50%) 4–2 (67%) 102.3 +0.04 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
22 2022 1667 126.3 -1.81 -0.68 0.898 48.0% +42 — -81 42.6% -0.41 5–4 (56%) 2–6 (25%) 97.9 -1.14 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
23 2023 1669 123.4 -0.74 -1.07 0.814 46.1% +18 — — 25.0% -1.50 1–1 1–0 — -0.31 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
24 2024 1706 123.8 +0.97 +1.36 1.145 52.8% -63 +90 — 53.6% +0.72 3–1 (75%) 1–1 — +0.29 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
25 2025 1817 139.2 +1.60 +0.86 1.071 51.3% -21 -53 -232 55.6% +0.32 9–9 (50%) 9–7 (56%) 102.2 -1.29 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
26 2026 1792 142.7 +1.18 -0.52 1.008 50.2% -16 +23 -173 49.1% +0.06 12–10 (55%) 7–8 (47%) 102.5 +1.68 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 — 1845 141.5 +0.77 +0.51 1.027 50.6% -1 -2 -150 51.4% +0.17 35–29 (55%) 26–24 (52%) 106.2 -0.34 — 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

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.