Hanna Chang

Where the 1423.7 rating comes from

From 11 matches played between 17 September 2018 and 15 September 2025, 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.

11 matches, from the most recent to the first

beaten by Katie Volynets 0–2
15/09/25 · WTA 500 2025 · Qualifying — First round · detail
−7.21430.9 → 1423.7
31/03/25 · WTA 250 2025 · First round · detail
+34.71396.2 → 1430.9
beaten by Tatjana Maria 0–2
31/03/25 · WTA 250 2025 · Second round · detail
−16.61412.8 → 1396.2
beaten by Petra Martić 0–2
24/02/25 · WTA 500 2025 · Qualifying — Qualifying competition · detail
−9.81422.6 → 1412.8
beat Nao Hibino 2–0
24/02/25 · WTA 500 2025 · Qualifying — First round · detail
+34.71387.9 → 1422.6
beaten by Dalma Gálfi 0–2
23/09/24 · WTA 1000 2024 · Qualifying — First round · detail
−10.81398.6 → 1387.9
beaten by Park So-hyun 0–2
16/09/24 · WTA 500 2024 · Qualifying — First round · detail
−21.51420.1 → 1398.6
beaten by Daria Saville 0–2
26/02/24 · WTA 500 2024 · Qualifying — First round · detail
−10.01430.1 → 1420.1
beaten by Olivia Tjandramulia 1–2
19/09/22 · WTA 250 2022 · Qualifying — First round · detail
−29.21459.3 → 1430.1
beaten by Xiaodi You 0–2
04/04/22 · WTA 250 2022 · Qualifying — First round · detail
−23.71483.0 → 1459.3
beaten by Mona Barthel 0–2
17/09/18 · WTA 250 2018 · Qualifying — First round · detail
−17.01500.0 → 1483.0

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.