Mary Stoiana

Where the 1578.1 rating comes from

From 23 matches played between 23 February 2026 and 16 November 2026, 22 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.

23 matches, from the most recent to the first

beat Sayaka Ishii 2–0
16/11/26 · WTA 250 2026 · Qualifying — Qualifying competition · detail
+12.21565.9 → 1578.1
beat Rinko Matsuda 2–0
16/11/26 · WTA 250 2026 · Qualifying — First round · detail
+6.91558.9 → 1565.9
16/11/26 · WTA 250 2026 · First round · detail
+14.11544.9 → 1558.9
beat Moyuka Uchijima 2–1
16/11/26 · WTA 250 2026 · Second round · detail
+13.31531.6 → 1544.9
beaten by Kateřina Siniaková 0–2
16/11/26 · WTA 250 2026 · Quarterfinals · detail
−4.31535.9 → 1531.6
beat Venus Williams 2–0
16/11/26 · WTA 250 2026 · First round · detail
+10.31525.6 → 1535.9
beaten by Sorana Cîrstea 0–2
16/11/26 · WTA 250 2026 · Second round · detail
−3.31528.9 → 1525.6
beaten by Paula Badosa Gibert 0–2
14/09/26 · WTA 250 2026 · Quarterfinals · detail
−4.21533.1 → 1528.9
14/09/26 · WTA 250 2026 · Second round · detail
+14.81518.3 → 1533.1
beat Claire Liu 2–0
14/09/26 · WTA 250 2026 · First round · detail
+16.81501.5 → 1518.3
beaten by Alexandra Eala 0–2
31/08/26 · WTA Grand Slam 2026 · First round · detail
−3.21504.7 → 1501.5
beaten by Tereza Valentová 0–2
12/08/26 · WTA 1000 2026 · First round · detail
−6.51511.2 → 1504.7
11/08/26 · WTA 1000 2026 · Qualifying — Qualifying competition · detail
+30.71480.4 → 1511.2
beat Veronika Erjavec 2–0
10/08/26 · WTA 1000 2026 · Qualifying — First round · detail
+22.41458.1 → 1480.4
beaten by Alina Korneeva 1–2
03/08/26 · WTA 1000 2026 · Qualifying — Qualifying competition · detail
−14.51472.6 → 1458.1
beaten by Peyton Stearns 1–2
27/07/26 · WTA 250 2026 · First round · detail
−10.71483.3 → 1472.6
30/03/26 · WTA 500 2026 · Qualifying — First round · detail
+22.71460.6 → 1483.3
beat Darja Vidmanova 2–0
30/03/26 · WTA 500 2026 · Qualifying — Qualifying competition · detail
+29.81430.7 → 1460.6
beaten by Alycia Parks 1–2
30/03/26 · WTA 500 2026 · First round · detail
−14.11444.8 → 1430.7
beaten by Yuliia Starodubtseva 0–2
17/03/26 · WTA 1000 2026 · Qualifying — Qualifying competition · detail
−16.51461.3 → 1444.8
beat Kaja Juvan 2–1
16/03/26 · WTA 1000 2026 · Qualifying — First round · retirement · detail
±0.01461.3 → 1461.3
beaten by Léolia Jeanjean 0–2
02/03/26 · WTA 1000 2026 · Qualifying — First round · detail
−20.01481.3 → 1461.3
beaten by Anastasia Zakharova 1–2
23/02/26 · WTA 250 2026 · First round · detail
−18.71500.0 → 1481.3

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.