Jana Fett

Where the 1603.9 rating comes from

From 163 matches played between 19 October 2015 and 14 July 2025, 157 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.

163 matches, from the most recent to the first

beat Veronika Erjavec 2–0
14/07/25 · WTA 250 2025 · First round · detail
+8.51595.3 → 1603.9
beaten by Jaqueline Cristian 0–1
14/07/25 · WTA 250 2025 · Second round · retirement · detail
±0.01595.3 → 1595.3
beaten by Bernarda Pera 0–2
23/04/25 · WTA 1000 2025 · First round · detail
−10.61605.9 → 1595.3
beat Antonia Ružić 2–1
22/04/25 · WTA 1000 2025 · Qualifying — Qualifying competition · detail
+12.41593.5 → 1605.9
21/04/25 · WTA 1000 2025 · Qualifying — First round · detail
+10.11583.4 → 1593.5
14/04/25 · WTA 500 2025 · Qualifying — First round · detail
+11.71571.7 → 1583.4
beat Rebeka Masarova 2–1
14/04/25 · WTA 500 2025 · Qualifying — Qualifying competition · detail
+14.01557.7 → 1571.7
beaten by Iga Świątek 0–2
14/04/25 · WTA 500 2025 · Second round · detail
−1.01558.7 → 1557.7
beat Donna Vekic 2–0
14/04/25 · WTA 500 2025 · First round · detail
+19.41539.4 → 1558.7
beaten by Harriet Dart 1–2
13/01/25 · WTA Grand Slam 2025 · First round · detail
−8.11547.5 → 1539.4
beaten by Saisai Zheng 1–2
28/10/24 · WTA 250 2024 · First round · detail
−12.81560.3 → 1547.5
beat Ma Yexin 2–0
21/10/24 · WTA 250 2024 · Qualifying — Qualifying competition · detail
+8.31552.0 → 1560.3
beat Liu Leyi 2–0
21/10/24 · WTA 250 2024 · Qualifying — First round · detail
+9.71542.3 → 1552.0
beaten by Jéssica Bouzas Maneiro 0–2
21/10/24 · WTA 250 2024 · First round · detail
−12.41554.7 → 1542.3
beaten by Marina Stakusic 0–2
14/10/24 · WTA 250 2024 · Qualifying — First round · detail
−14.21569.0 → 1554.7
beaten by Daria Kasatkina 0–2
26/09/24 · WTA 1000 2024 · Second round · detail
−4.51573.5 → 1569.0
beat Wang Meiling 2–0
25/09/24 · WTA 1000 2024 · First round · detail
+9.11564.4 → 1573.5
beaten by Liang En-shuo 0–2
24/09/24 · WTA 1000 2024 · Qualifying — Qualifying competition · detail
−12.91577.3 → 1564.4
beat Shao Yushan 2–0
23/09/24 · WTA 1000 2024 · Qualifying — First round · detail
+9.71567.6 → 1577.3
16/09/24 · WTA 250 2024 · Second round · walkover · detail
±0.01567.6 → 1567.6
beat Saisai Zheng 2–1
16/09/24 · WTA 250 2024 · First round · detail
+12.71554.9 → 1567.6
beaten by Rebecca Šramková 1–2
16/09/24 · WTA 250 2024 · Quarterfinals · detail
−10.51565.4 → 1554.9
beaten by Sara Sorribes Tormo 1–2
09/09/24 · WTA 250 2024 · Second round · detail
−7.91573.4 → 1565.4
beat Mayar Sherif 2–1
09/09/24 · WTA 250 2024 · First round · detail
+13.91559.4 → 1573.4
beaten by Viktoriya Tomova 0–2
22/07/24 · WTA 250 2024 · Second round · detail
−9.91569.4 → 1559.4
22/07/24 · WTA 250 2024 · First round · detail
+14.71554.7 → 1569.4
beaten by Viktorija Golubic 0–2
17/06/24 · WTA 250 2024 · Qualifying — First round · detail
−9.31564.0 → 1554.7
beaten by Marie Bouzková 0–2
28/05/24 · WTA Grand Slam 2024 · Second round · detail
−6.11570.2 → 1564.0
27/05/24 · WTA Grand Slam 2024 · First round · detail
+8.81561.3 → 1570.2
beaten by Aliaksandra Sasnovich 0–2
15/04/24 · WTA 500 2024 · Qualifying — First round · detail
−11.11572.4 → 1561.3
beaten by Anastasia Pavlyuchenkova 0–2
09/10/23 · WTA 250 2023 · First round · detail
−5.71578.1 → 1572.4
beat Ulrikke Eikeri 2–0
18/09/23 · WTA 1000 2023 · Qualifying — First round · detail
+7.21570.9 → 1578.1
beaten by Grace Min 0–2
18/09/23 · WTA 1000 2023 · Qualifying — Qualifying competition · detail
−16.61587.5 → 1570.9
24/07/23 · WTA 250 2023 · Qualifying — First round · detail
+8.41579.0 → 1587.5
24/07/23 · WTA 250 2023 · Qualifying — Qualifying competition · detail
+10.31568.8 → 1579.0
beaten by Linda Nosková 1–2
24/07/23 · WTA 250 2023 · First round · detail
−8.81577.6 → 1568.8
beat Panna Bartha 2–0
17/07/23 · WTA 250 2023 · Qualifying — First round · detail
+9.71567.9 → 1577.6
beaten by Louisa Chirico 0–2
17/07/23 · WTA 250 2023 · Qualifying — Qualifying competition · detail
−11.31579.2 → 1567.9
beat Martina Colmegna 2–1
22/05/23 · WTA 250 2023 · Qualifying — First round · detail
+7.81571.5 → 1579.2
22/05/23 · WTA 250 2023 · Qualifying — Qualifying competition · detail
+9.61561.9 → 1571.5
beat Sada Nahimana 2–0
22/05/23 · WTA 250 2023 · First round · detail
+8.71553.2 → 1561.9
beaten by Martina Trevisan 0–2
22/05/23 · WTA 250 2023 · Second round · detail
−8.91562.1 → 1553.2
beat Ku Yeon-woo 2–0
19/09/22 · WTA 250 2022 · Qualifying — Qualifying competition · detail
+10.21551.9 → 1562.1
beat Kim Da-bin 2–1
19/09/22 · WTA 250 2022 · Qualifying — First round · detail
+7.11544.7 → 1551.9
beaten by Rebecca Marino 0–2
19/09/22 · WTA 250 2022 · First round · detail
−9.21554.0 → 1544.7
12/09/22 · WTA 250 2022 · Qualifying — Qualifying competition · detail
+8.81545.2 → 1554.0
beat Kaylah McPhee 2–0
12/09/22 · WTA 250 2022 · Qualifying — First round · detail
+8.81536.4 → 1545.2
beaten by Nao Hibino 0–2
12/09/22 · WTA 250 2022 · First round · detail
−11.91548.3 → 1536.4
beaten by Lulu Sun 0–2
22/08/22 · WTA 250 2022 · Qualifying — Qualifying competition · detail
−15.31563.6 → 1548.3
beat Alicia Barnett 2–0
22/08/22 · WTA 250 2022 · Qualifying — First round · detail
+9.71553.9 → 1563.6

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.