Aliona Bolsova Zadoinov

Where the 1521.9 rating comes from

From 83 matches played between 2 April 2018 and 30 March 2026, 82 of them rated, and from them alone. Every line below was written at computation time: nothing is recomputed to show this page.

How to read this

On the right: the change this match produced, then the value before → after. A line's arrival value is the next line's starting value, down to the starting rating given to every newcomer. A ±0.0 is a counted match that did not move the rating, a walkover for instance.

83 matches, from the most recent to the first

beaten by Ekaterine Gorgodze 1–2
30/03/26 · WTA 500 2026 · Qualifying — First round · detail
−16.01537.9 → 1521.9
02/02/26 · WTA 250 2026 · Qualifying — First round · detail
+11.61526.3 → 1537.9
beaten by Daria Snigur 0–2
02/02/26 · WTA 250 2026 · Qualifying — Qualifying competition · detail
−10.91537.2 → 1526.3
beat Elvina Kalieva 2–0
03/11/25 · WTA Grand Slam 2025 · First round · detail
+10.01527.3 → 1537.2
beaten by Arantxa Rus 1–2
03/11/25 · WTA Grand Slam 2025 · Second round · detail
−10.61537.9 → 1527.3
beaten by Anna Sisková 1–2
14/07/25 · WTA 250 2025 · Qualifying — Qualifying competition · detail
−14.21552.1 → 1537.9
beat Anastasia Necula 2–0
14/07/25 · WTA 250 2025 · Qualifying — First round · detail
+10.61541.5 → 1552.1
19/05/25 · WTA 250 2025 · First round · detail
+18.81522.7 → 1541.5
beaten by Jaqueline Cristian 0–2
19/05/25 · WTA 250 2025 · Second round · detail
−7.51530.2 → 1522.7
beaten by Mai Hontama 1–2
16/10/23 · WTA 250 2023 · First round · detail
−11.61541.8 → 1530.2
beaten by Anna Bondár 0–2
24/07/23 · WTA 250 2023 · First round · detail
−11.41553.2 → 1541.8
30/05/23 · WTA Grand Slam 2023 · Second round · detail
−10.81564.0 → 1553.2
29/05/23 · WTA Grand Slam 2023 · First round · detail
+10.91553.2 → 1564.0
beaten by Viktoriya Tomova 0–2
09/05/23 · WTA 1000 2023 · Qualifying — Qualifying competition · detail
−11.41564.6 → 1553.2
beat Jessica Bertoldo 2–0
08/05/23 · WTA 1000 2023 · Qualifying — First round · detail
+10.11554.4 → 1564.6
beaten by Magdalena Fręch 0–2
25/04/23 · WTA 1000 2023 · Qualifying — Qualifying competition · detail
−10.51565.0 → 1554.4
beat Diane Parry 2–1
24/04/23 · WTA 1000 2023 · Qualifying — First round · detail
+10.91554.1 → 1565.0
beaten by Sara Sorribes Tormo 0–2
03/04/23 · WTA 250 2023 · First round · detail
−7.01561.0 → 1554.1
beaten by Sachia Vickery 0–2
27/02/23 · WTA 250 2023 · Qualifying — Qualifying competition · detail
−12.71573.7 → 1561.0
27/02/23 · WTA 250 2023 · Qualifying — First round · detail
+5.01568.7 → 1573.7
20/02/23 · WTA 250 2023 · Qualifying — First round · detail
+13.11555.7 → 1568.7
beaten by Ana Konjuh 0–2
20/02/23 · WTA 250 2023 · Qualifying — Qualifying competition · detail
−9.01564.7 → 1555.7
beaten by Elena Gabriela Ruse 0–2
02/01/23 · WTA 250 2023 · Qualifying — First round · detail
−9.61574.3 → 1564.7
beaten by Zhu Lin 0–2
03/01/22 · WTA 250 2022 · Qualifying — Qualifying competition · detail
−13.11587.5 → 1574.3
beat Fiona Ferro 2–0
03/01/22 · WTA 250 2022 · Qualifying — First round · detail
+14.61572.9 → 1587.5
beat Lisa Pigato 2–0
25/10/21 · WTA 250 2021 · Qualifying — First round · detail
+10.61562.2 → 1572.9
25/10/21 · WTA 250 2021 · Qualifying — Qualifying competition · detail
+8.91553.3 → 1562.2
beaten by Liudmila Samsonova 0–2
25/10/21 · WTA 250 2021 · Second round · detail
−5.81559.2 → 1553.3
beat Hsieh Su-wei 2–1
25/10/21 · WTA 250 2021 · First round · detail
+17.31541.9 → 1559.2
beat Kaja Juvan 2–1
18/10/21 · WTA 250 2021 · Qualifying — Qualifying competition · detail
+15.51526.4 → 1541.9
18/10/21 · WTA 250 2021 · Qualifying — First round · detail
+10.21516.1 → 1526.4
beaten by Camila Giorgi 1–2
18/10/21 · WTA 250 2021 · First round · detail
−4.01520.1 → 1516.1
beaten by Dalma Gálfi 0–2
12/07/21 · WTA 250 2021 · First round · detail
−17.91538.0 → 1520.1
beaten by Paula Badosa Gibert 1–2
28/06/21 · WTA Grand Slam 2021 · First round · detail
−4.81542.7 → 1538.0
beaten by Sloane Stephens 0–2
10/05/21 · WTA 1000 2021 · Qualifying — First round · detail
−8.71551.4 → 1542.7
beaten by Bernarda Pera 1–2
26/04/21 · WTA 1000 2021 · Qualifying — First round · detail
−10.51561.9 → 1551.4
beaten by Sara Errani 0–2
05/04/21 · WTA 250 2021 · Second round · detail
−12.81574.6 → 1561.9
05/04/21 · WTA 250 2021 · First round · detail
+14.51560.1 → 1574.6
beaten by Wang Qiang 1–2
24/03/21 · WTA 1000 2021 · First round · detail
−8.31568.5 → 1560.1
beat Kirsten Flipkens 2–0
23/03/21 · WTA 1000 2021 · Qualifying — Qualifying competition · detail
+15.31553.2 → 1568.5
beat CoCo Vandeweghe 2–0
22/03/21 · WTA 1000 2021 · Qualifying — First round · detail
+15.01538.2 → 1553.2
beaten by Kristina Kučová 0–2
15/03/21 · WTA 250 2021 · Qualifying — First round · detail
−12.11550.3 → 1538.2
beaten by Kaja Juvan 0–2
08/03/21 · WTA 250 2021 · First round · detail
−10.41560.7 → 1550.3
beaten by Jennifer Brady 0–2
08/02/21 · WTA Grand Slam 2021 · First round · detail
−3.91564.5 → 1560.7
beaten by Marie Bouzková 1–2
01/02/21 · WTA 500 2021 · Second round · detail
−7.71572.2 → 1564.5
beat Ankita Raina 2–0
01/02/21 · WTA 500 2021 · First round · detail
+6.11566.1 → 1572.2
beaten by Jasmine Paolini 0–2
28/09/20 · WTA Grand Slam 2020 · First round · detail
−12.61578.7 → 1566.1
beat Jessica Pieri 2–0
14/09/20 · WTA 1000 2020 · Qualifying — First round · detail
+10.51568.2 → 1578.7
beat Anna Kalinskaya 2–0
14/09/20 · WTA 1000 2020 · Qualifying — Qualifying competition · detail
+13.61554.6 → 1568.2
beaten by Anna Blinkova 1–2
14/09/20 · WTA 1000 2020 · Second round · detail
−10.11564.7 → 1554.6

Only the matches the source publishes appear; what is missing is listed. The source gives the day, not the hour: two matches on the same day are ordered by a reproducible rule, which is not necessarily the real order.