Louisa Chirico

Where the 1509.6 rating comes from

From 158 matches played between 1 April 2013 and 16 March 2026, 150 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.

158 matches, from the most recent to the first

beaten by Anastasia Zakharova 0–2
16/03/26 · WTA 1000 2026 · Qualifying — First round · detail
−8.61518.2 → 1509.6
beaten by Akasha Urhobo 1–2
02/03/26 · WTA 1000 2026 · Qualifying — First round · detail
−14.31532.5 → 1518.2
beaten by Nikola Bartůňková 0–2
23/02/26 · WTA 250 2026 · Qualifying — Qualifying competition · detail
−11.31543.8 → 1532.5
beat Emily Appleton 2–0
23/02/26 · WTA 250 2026 · Qualifying — First round · detail
+8.21535.6 → 1543.8
beaten by Lina Glushko 0–2
30/12/25 · WTA 250 2025 · Qualifying — First round · detail
−15.51551.1 → 1535.6
beaten by Whitney Osuigwe 0–2
29/12/25 · WTA 250 2026 · Qualifying — First round · detail
−16.51567.6 → 1551.1
beaten by Viktoriya Tomova 0–2
04/08/25 · WTA 1000 2025 · Qualifying — First round · detail
−11.51579.1 → 1567.6
beaten by Jéssica Bouzas Maneiro 1–2
29/07/25 · WTA 1000 2025 · First round · detail
−10.31589.3 → 1579.1
beat Talia Gibson 2–1
28/07/25 · WTA 1000 2025 · Qualifying — Qualifying competition · detail
+8.81580.6 → 1589.3
beat Mayar Sherif 2–1
14/07/25 · WTA 250 2025 · First round · retirement · detail
±0.01580.6 → 1580.6
beaten by Kaja Juvan 1–2
14/07/25 · WTA 250 2025 · Second round · detail
−9.91590.5 → 1580.6
beaten by Aliaksandra Sasnovich 0–2
14/04/25 · WTA 500 2025 · Qualifying — First round · detail
−9.41599.9 → 1590.5
31/03/25 · WTA 500 2025 · Qualifying — Qualifying competition · detail
+6.41593.5 → 1599.9
beat Ana Konjuh 2–0
31/03/25 · WTA 500 2025 · Qualifying — First round · detail
+12.51580.9 → 1593.5
beaten by Jeļena Ostapenko 0–2
31/03/25 · WTA 500 2025 · Second round · detail
−6.11587.0 → 1580.9
beat Erika Andreeva 2–1
31/03/25 · WTA 500 2025 · First round · detail
+12.41574.7 → 1587.0
beaten by Ysaline Bonaventure 0–2
17/03/25 · WTA 1000 2025 · Qualifying — First round · retirement · detail
±0.01574.7 → 1574.7
beaten by Kaja Juvan 1–2
24/02/25 · WTA 250 2025 · Qualifying — First round · detail
−9.21583.9 → 1574.7
beat Harriet Dart 0–1
05/08/24 · WTA 1000 2024 · Qualifying — Qualifying competition · retirement · detail
±0.01583.9 → 1583.9
beat Arina Rodionova 2–0
05/08/24 · WTA 1000 2024 · Qualifying — First round · detail
+7.81576.1 → 1583.9
beaten by Anna Kalinskaya 0–2
05/08/24 · WTA 1000 2024 · First round · detail
−4.21580.3 → 1576.1
beaten by McCartney Kessler 1–2
29/07/24 · WTA 500 2024 · Qualifying — First round · detail
−15.51595.7 → 1580.3
22/07/24 · WTA 250 2024 · Qualifying — First round · detail
+8.91586.8 → 1595.7
22/07/24 · WTA 250 2024 · Qualifying — Qualifying competition · detail
+13.81573.0 → 1586.8
beaten by Kateřina Siniaková 1–2
22/07/24 · WTA 250 2024 · First round · detail
−6.21579.2 → 1573.0
beaten by Noma Noha Akugue 0–2
15/07/24 · WTA 250 2024 · Qualifying — Qualifying competition · detail
−14.51593.7 → 1579.2
beat Cristina Dinu 2–0
15/07/24 · WTA 250 2024 · Qualifying — First round · detail
+9.01584.8 → 1593.7
beaten by Jessika Ponchet 0–2
26/02/24 · WTA 250 2024 · Qualifying — First round · detail
−17.11601.8 → 1584.8
beaten by Jasmine Paolini 0–2
18/09/23 · WTA 1000 2023 · First round · detail
−8.91610.7 → 1601.8
beat Renata Zarazua 2–1
11/09/23 · WTA 500 2023 · Qualifying — Qualifying competition · detail
+8.51602.2 → 1610.7
11/09/23 · WTA 500 2023 · Qualifying — First round · detail
+10.71591.5 → 1602.2
beaten by Danielle Collins 0–2
11/09/23 · WTA 500 2023 · First round · detail
−4.61596.1 → 1591.5
beaten by Kayla Day 0–2
07/08/23 · WTA 1000 2023 · Qualifying — First round · detail
−14.31610.3 → 1596.1
beat Jana Fett 2–0
17/07/23 · WTA 250 2023 · Qualifying — Qualifying competition · detail
+11.31599.0 → 1610.3
beat Amandine Hesse 2–0
17/07/23 · WTA 250 2023 · Qualifying — First round · detail
+7.61591.4 → 1599.0
beaten by Claire Liu 0–2
17/07/23 · WTA 250 2023 · First round · detail
−12.11603.5 → 1591.4
beaten by Elina Svitolina 0–2
22/05/23 · WTA 250 2023 · First round · detail
−7.61611.1 → 1603.5
beat Sophie Chang 2–0
03/04/23 · WTA 500 2023 · Qualifying — First round · detail
+6.71604.5 → 1611.1
beat Elvina Kalieva 2–0
03/04/23 · WTA 500 2023 · Qualifying — Qualifying competition · detail
+8.11596.3 → 1604.5
beaten by Sloane Stephens 1–2
03/04/23 · WTA 500 2023 · First round · detail
−9.31605.7 → 1596.3
beat Yulia Putintseva 2–1
10/10/22 · WTA 500 2022 · Qualifying — First round · detail
+17.01588.7 → 1605.7
beat Ashlyn Krueger 2–0
10/10/22 · WTA 500 2022 · Qualifying — Qualifying competition · detail
+10.11578.6 → 1588.7
beaten by Paula Badosa Gibert 0–2
10/10/22 · WTA 500 2022 · Second round · detail
−4.11582.7 → 1578.6
10/10/22 · WTA 500 2022 · First round · detail
+16.61566.1 → 1582.7
beaten by Madison Brengle 0–2
26/09/22 · WTA 250 2023 · First round · detail
−9.61575.7 → 1566.1
beat Yuan Yue 2–1
01/08/22 · WTA 250 2022 · Qualifying — First round · detail
+6.21569.5 → 1575.7
beat Wang Xiyu 2–1
01/08/22 · WTA 250 2022 · Qualifying — Qualifying competition · detail
+14.11555.4 → 1569.5
beaten by Emma Raducanu 0–2
01/08/22 · WTA 250 2022 · First round · detail
−7.11562.5 → 1555.4
beat Gabriela Cé 2–0
18/07/22 · WTA 250 2022 · Qualifying — First round · detail
+9.91552.6 → 1562.5
beaten by Asia Muhammad
18/07/22 · WTA 250 2022 · Qualifying — Qualifying competition · walkover · detail
±0.01552.6 → 1552.6

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.