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

Aryna Sabalenka vs Monica Niculescu H2H: 2-0

Aryna Sabalenka holds a 2–0 lead over Monica Niculescu in their WTA head-to-head. Across 2 main-draw meetings, Aryna Sabalenka leads 1–0 on grass and 1–0 on hard courts. Most recently, Aryna Sabalenka won the 2021 Wimbledon first round 6-1 6-4.

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Aryna Sabalenka
Belarus Age 28 Right-Handed 182 cm / 6'0"
H2H
2 – 0
2 main-draw meetings
Monica Niculescu
Romania Age 38 Right-Handed 168 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Aryna Sabalenka #4 6-1 6-4 Monica Niculescu #191 Match data Jun 30, 2021* R128 Wimbledon Grand Slam Grass
Aryna Sabalenka #73 6-4 6-4 Monica Niculescu #79 Match data Jan 4, 2018* R32 Shenzhen 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
Aryna Sabalenka #1 #1 12,420 2,324 416 145 74.2% 4 11 1 6 2 24
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 Aryna Sabalenka Monica Niculescu
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 2017 9–5 64.3% #96 1,674 0 0 2007 0–1 0.0% #152 1,490 0 0
20 2018 43–21 67.2% #13 1,963 0 2 2008 8–15 34.8% #48 1,543 0 0
21 2019 36–21 63.2% #11 1,938 0 5 2009 10–22 31.2% #103 1,522 0 0
22 2020 28–9 75.7% #10 2,006 0 8 2010 6–9 40.0% #82 1,574 0 0
23 2021 45–18 71.4% #2 1,975 0 10 2011 21–15 58.3% #30 1,757 0 0
24 2022 33–22 60.0% #5 1,955 0 10 2012 15–23 39.5% #58 1,639 0 0
25 2023 56–14 80.0% #2 2,082 1 13 2013 22–21 51.2% #59 1,635 0 1
26 2024 56–14 80.0% #1 2,173 3 17 2014 22–19 53.7% #46 1,688 0 2
27 2025 64–12 84.2% #1 2,227 4 21 2015 20–21 48.8% #39 1,676 0 2
28 2026 46–9 83.6% #1 2,185 4 24 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 Aryna Sabalenka 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 2017 8 4 12 66.7% — — — — 1 1 2 50.0% — — — — 2007 0 1 1 0.0% — — — — — — — — — — — —
20 2018 32 12 44 72.7% 4 5 9 44.4% 7 4 11 63.6% — — — — 2008 6 10 16 37.5% 1 3 4 25.0% 1 2 3 33.3% — — — —
21 2019 29 12 41 70.7% 5 5 10 50.0% 2 4 6 33.3% — — — — 2009 6 13 19 31.6% 3 6 9 33.3% 0 2 2 0.0% 1 1 2 50.0%
22 2020 23 7 30 76.7% 5 2 7 71.4% — — — — — — — — 2010 4 7 11 36.4% 1 1 2 50.0% 1 1 2 50.0% — — — —
23 2021 25 12 37 67.6% 13 3 16 81.3% 7 3 10 70.0% — — — — 2011 17 9 26 65.4% 3 4 7 42.9% 1 2 3 33.3% — — — —
24 2022 20 15 35 57.1% 9 5 14 64.3% 4 2 6 66.7% — — — — 2012 12 15 27 44.4% 1 5 6 16.7% 1 2 3 33.3% 1 1 2 50.0%
25 2023 36 9 45 80.0% 14 3 17 82.4% 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 2024 40 9 49 81.6% 15 4 19 78.9% 1 1 2 50.0% — — — — 2014 18 14 32 56.3% 4 4 8 50.0% 0 1 1 0.0% — — — —
27 2025 40 7 47 85.1% 17 3 20 85.0% 7 2 9 77.8% — — — — 2015 10 14 24 41.7% 3 3 6 50.0% 7 4 11 63.6% — — — —
28 2026 33 4 37 89.2% 8 3 11 72.7% 5 2 7 71.4% — — — — 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 — 286 91 377 75.9% 90 33 123 73.2% 40 21 61 65.6% — — — — — 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 533/563 of Aryna Sabalenka'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 Aryna Sabalenka 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 2017 12/14 5.3 3.7 58.2% 67.6% 47.5% 61.1% 52.8% 59.8% 45.6% 2007 1/1 0.0 4.0 57.4% 45.2% 34.8% 25.0% 100.0% 40.7% 30.8%
20 2018 58/64 4.4 4.6 59.3% 69.7% 49.1% 61.4% 44.8% 61.2% 42.1% 2008 19/23 1.3 1.9 72.5% 54.5% 38.0% 41.9% 45.0% 49.9% 43.0%
21 2019 56/57 4.4 6.2 61.4% 69.5% 46.4% 58.6% 48.7% 60.6% 45.2% 2009 30/32 1.0 1.4 71.6% 55.9% 46.3% 44.0% 48.4% 52.8% 43.8%
22 2020 37/37 4.5 4.5 62.2% 68.5% 48.4% 52.0% 51.2% 61.0% 46.1% 2010 12/15 0.3 1.0 73.4% 53.0% 39.4% 47.7% 45.0% 49.3% 43.9%
23 2021 59/63 6.0 5.4 58.3% 70.8% 49.9% 63.5% 52.0% 62.0% 45.3% 2011 29/36 0.7 1.5 74.9% 55.3% 46.1% 44.2% 60.9% 52.3% 48.8%
24 2022 54/55 4.7 7.9 60.6% 67.9% 42.9% 50.4% 47.0% 58.0% 45.3% 2012 33/38 1.3 1.1 67.1% 58.0% 47.7% 51.8% 46.0% 54.3% 43.3%
25 2023 69/70 5.9 4.1 61.2% 74.4% 50.3% 61.9% 46.3% 65.1% 45.7% 2013 37/43 0.8 1.5 74.6% 59.2% 45.9% 47.0% 52.2% 55.3% 49.4%
26 2024 70/71 4.4 2.9 62.8% 71.1% 51.5% 63.6% 50.6% 63.8% 46.1% 2014 34/41 1.2 3.1 70.2% 60.8% 41.3% 50.8% 59.1% 55.0% 51.0%
27 2025 63/77 4.0 2.3 63.3% 69.5% 53.0% 61.0% 51.6% 63.2% 46.6% 2015 32/41 1.1 2.8 70.4% 60.4% 46.2% 47.8% 43.9% 55.9% 43.1%
28 2026 55/55 5.0 2.3 64.8% 72.4% 54.4% 59.9% 48.5% 66.0% 45.2% 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 — 533/563 4.8 4.4 61.4% 70.5% 49.7% 59.7% 49.0% 62.4% 45.3% — 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 Aryna Sabalenka 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 2016 1499 99.6 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
19 2017 1674 126.8 +1.97 +0.43 1.134 52.8% +32 — — 65.6% +1.03 1–3 (25%) 1–2 (33%) 96.9 +0.60 2007 1491 98.2 -0.35 +1.13 0.519 36.6% — — — 0.0% -4.50 — — — +0.05
20 2018 1963 152.3 +4.32 +0.38 1.084 51.7% +5 -387 -239 60.4% +0.62 19–7 (73%) 13–6 (68%) 113.7 -2.90 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 2019 1938 149.8 +3.72 +2.29 1.148 53.1% +36 -321 -241 59.5% +0.89 11–8 (58%) 5–7 (42%) 98.6 +0.95 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 2020 2007 154.4 +3.98 +2.79 1.182 53.5% +20 -307 — 67.0% +1.13 11–5 (69%) 5–7 (42%) 99.3 -0.98 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 2021 1975 161.3 +5.49 +3.40 1.194 53.7% -3 -39 -109 68.9% +1.37 10–14 (42%) 9–6 (60%) 95.5 -0.98 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 2022 1956 152.8 +1.65 +3.23 1.078 51.5% -5 -17 -80 56.6% +0.40 15–13 (54%) 9–5 (64%) 102.3 -1.09 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 2023 2082 170.8 +8.10 +3.76 1.309 55.2% +25 +2 -99 75.3% +1.71 10–6 (63%) 13–6 (68%) 105.4 -2.05 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 2024 2174 173.0 +7.39 +4.30 1.275 54.8% +37 -17 — 75.8% +1.72 12–9 (57%) 7–5 (58%) 95.7 -2.10 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 2025 2228 172.3 +6.38 +4.36 1.266 54.8% +54 +38 -80 78.4% +1.81 12–6 (67%) 22–3 (88%) 112.7 -1.23 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 2026 2185 170.4 +7.81 +3.66 1.331 55.3% +150 +21 -55 81.1% +1.84 5–7 (42%) 12–5 (71%) 95.2 -0.43 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 — 2325 167.7 +5.54 +3.13 1.206 53.8% +36 -73 -132 69.4% +1.29 106–78 (58%) 96–52 (65%) 106.9 -1.83 — 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.