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

Dayana Yastremska vs Monica Niculescu H2H: 1-0

Dayana Yastremska holds a 1–0 lead over Monica Niculescu in their WTA head-to-head. Across 1 main-draw meeting, Dayana Yastremska leads 1–0 on hard courts. Most recently, Dayana Yastremska won the 2019 US Open first round 6-4 1-6 6-2.

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Dayana Yastremska
Ukraine Age 26 Right-Handed 175 cm / 5'9"
H2H
1 – 0
1 main-draw meetings
Monica Niculescu
Romania Age 38 Right-Handed 168 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Dayana Yastremska #32 6-4 1-6 6-2 Monica Niculescu #105 Match data Aug 28, 2019* R128 US Open Grand Slam 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
Dayana Yastremska #113 #21 2,070 1,884 135 150 47.4% 0 0 0 0 3 3
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 Dayana Yastremska Monica Niculescu
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2016 0–2 0.0% #338 1,463 0 0 — — — — — — —
17 2017 2–2 50.0% #184 1,461 0 0 — — — — — — —
18 2018 9–7 56.2% #58 1,730 0 1 — — — — — — —
19 2019 31–21 59.6% #22 1,822 0 3 2007 0–1 0.0% #152 1,490 0 0
20 2020 14–12 53.8% #29 1,792 0 3 2008 8–15 34.8% #48 1,543 0 0
21 2021 7–12 36.8% #99 1,692 0 3 2009 10–22 31.2% #103 1,522 0 0
22 2022 12–17 41.4% #101 1,614 0 3 2010 6–9 40.0% #82 1,574 0 0
23 2023 5–16 23.8% #102 1,669 0 3 2011 21–15 58.3% #30 1,757 0 0
24 2024 16–20 44.4% #33 1,648 0 3 2012 15–23 39.5% #58 1,639 0 0
25 2025 28–21 57.1% #27 1,816 0 3 2013 22–21 51.2% #59 1,635 0 1
26 2026 11–20 35.5% #113 1,705 0 3 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 Dayana Yastremska 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 %
16 2016 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
17 2017 — — — — 2 1 3 66.7% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
18 2018 9 6 15 60.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
19 2019 23 14 37 62.2% 5 4 9 55.6% 3 3 6 50.0% — — — — 2007 0 1 1 0.0% — — — — — — — — — — — —
20 2020 10 9 19 52.6% 4 3 7 57.1% — — — — — — — — 2008 6 10 16 37.5% 1 3 4 25.0% 1 2 3 33.3% — — — —
21 2021 5 11 16 31.3% 2 1 3 66.7% — — — — — — — — 2009 6 13 19 31.6% 3 6 9 33.3% 0 2 2 0.0% 1 1 2 50.0%
22 2022 7 10 17 41.2% 3 3 6 50.0% 2 4 6 33.3% — — — — 2010 4 7 11 36.4% 1 1 2 50.0% 1 1 2 50.0% — — — —
23 2023 4 10 14 28.6% 1 6 7 14.3% — — — — — — — — 2011 17 9 26 65.4% 3 4 7 42.9% 1 2 3 33.3% — — — —
24 2024 8 13 21 38.1% 5 5 10 50.0% 3 2 5 60.0% — — — — 2012 12 15 27 44.4% 1 5 6 16.7% 1 2 3 33.3% 1 1 2 50.0%
25 2025 12 13 25 48.0% 10 6 16 62.5% 6 2 8 75.0% — — — — 2013 20 14 34 58.8% 2 4 6 33.3% 0 2 2 0.0% 0 1 1 0.0%
26 2026 6 12 18 33.3% 2 5 7 28.6% 3 3 6 50.0% — — — — 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 — 84 99 183 45.9% 34 36 70 48.6% 17 15 32 53.1% — — — — — 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 265/286 of Dayana Yastremska'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 Dayana Yastremska 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%
16 2016 2/2 2.5 6.0 56.2% 65.3% 38.9% 52.3% 24.3% 53.0% 40.3% — —/— — — — — — — — — —
17 2017 4/4 1.5 3.5 66.0% 50.4% 54.9% 55.8% 51.8% 52.1% 49.7% — —/— — — — — — — — — —
18 2018 16/16 4.1 5.7 60.7% 65.8% 49.1% 41.8% 42.8% 59.2% 46.9% — —/— — — — — — — — — —
19 2019 51/52 3.8 5.1 60.2% 65.2% 48.7% 60.0% 48.4% 58.4% 44.8% 2007 1/1 0.0 4.0 57.4% 45.2% 34.8% 25.0% 100.0% 40.7% 30.8%
20 2020 26/26 4.5 5.7 58.9% 67.5% 46.3% 45.5% 47.4% 58.7% 42.0% 2008 19/23 1.3 1.9 72.5% 54.5% 38.0% 41.9% 45.0% 49.9% 43.0%
21 2021 18/19 4.1 5.6 57.9% 66.1% 45.9% 51.1% 42.2% 57.7% 43.3% 2009 30/32 1.0 1.4 71.6% 55.9% 46.3% 44.0% 48.4% 52.8% 43.8%
22 2022 29/29 3.4 5.2 57.8% 63.8% 44.4% 54.0% 49.6% 55.7% 38.7% 2010 12/15 0.3 1.0 73.4% 53.0% 39.4% 47.7% 45.0% 49.3% 43.9%
23 2023 21/21 2.5 5.2 57.8% 59.4% 42.8% 40.6% 53.6% 52.2% 41.9% 2011 29/36 0.7 1.5 74.9% 55.3% 46.1% 44.2% 60.9% 52.3% 48.8%
24 2024 34/36 2.9 4.3 57.8% 60.9% 47.1% 51.9% 44.5% 55.0% 42.0% 2012 33/38 1.3 1.1 67.1% 58.0% 47.7% 51.8% 46.0% 54.3% 43.3%
25 2025 34/50 3.4 5.5 56.3% 63.0% 49.7% 54.0% 51.1% 57.1% 41.8% 2013 37/43 0.8 1.5 74.6% 59.2% 45.9% 47.0% 52.2% 55.3% 49.4%
26 2026 30/31 2.2 5.1 61.3% 59.5% 46.4% 48.9% 46.5% 54.2% 41.4% 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 — 265/286 3.4 5.2 58.9% 63.2% 47.0% 51.5% 47.6% 56.4% 42.6% — 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 Dayana Yastremska 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
16 2016 1464 101.4 -1.01 -2.08 0.858 46.1% — — — 20.0% -1.40 0–1 — — +0.03 — — — — — — — — — — — — — — — —
17 2017 1462 104.9 -0.92 +0.23 1.038 50.9% — +57 — 50.0% +0.50 1–1 0–1 — +0.10 — — — — — — — — — — — — — — — —
18 2018 1731 136.1 +1.60 +2.48 1.148 52.9% +20 — — 60.5% +1.03 1–5 (17%) 2–4 (33%) 94.2 -0.03 — — — — — — — — — — — — — — — —
19 2019 1822 150.9 +1.72 +2.31 1.077 51.7% +13 -207 -152 60.2% +0.63 5–9 (36%) 6–5 (55%) 95.7 -1.96 2007 1491 98.2 -0.35 +1.13 0.519 36.6% — — — 0.0% -4.50 — — — +0.05
20 2020 1792 146.0 +1.19 -0.19 1.016 50.4% +18 -118 — 52.5% +0.16 5–4 (56%) 5–5 (50%) 100.7 -1.02 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 1693 125.3 +1.13 -0.92 1.021 50.3% -17 -2 — 47.7% 0.00 1–7 (13%) 4–4 (50%) 91.7 -0.11 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 1614 122.9 -0.45 -2.85 0.874 47.6% +13 +47 +10 43.1% -0.63 5–6 (45%) 7–4 (64%) 100.8 -0.44 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 127.5 -3.00 -0.65 0.875 47.1% +26 -37 — 31.3% -1.19 1–5 (17%) 2–4 (33%) 92.8 +0.36 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 1649 136.0 -0.99 -0.74 0.933 48.8% 0 +39 0 45.1% -0.28 9–5 (64%) 7–5 (58%) 105.5 +1.15 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 1816 146.4 +0.46 -0.46 0.975 49.9% -83 -9 -41 56.5% +0.37 8–9 (47%) 11–3 (79%) 106.2 -1.05 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 1706 127.7 -2.66 -1.59 0.905 48.1% -45 +110 +58 41.3% -0.73 4–9 (31%) 7–4 (64%) 97.2 +0.44 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 — 1884 142.7 -0.06 -0.20 0.977 49.7% -8 -22 -27 49.8% -0.02 40–61 (40%) 51–39 (57%) 97.0 -0.89 — 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.