Chung Yun-seong

Where the 1536.4 rating comes from

From 7 matches played between 23 August 2021 and 17 July 2023, 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.

7 matches, from the most recent to the first

beat Gage Brymer 2–0
17/07/23 · ATP 250 2023 · Qualifying — First round · detail
+20.51515.9 → 1536.4
beat Beibit Zhukayev 2–0
17/07/23 · ATP 250 2023 · Qualifying — Qualifying competition · detail
+24.01491.9 → 1515.9
beaten by Steve Johnson 0–2
17/07/23 · ATP 250 2023 · First round · detail
−20.91512.9 → 1491.9
26/09/22 · ATP 250 2022 · Qualifying — Qualifying competition · detail
+21.61491.3 → 1512.9
beat Dalibor Svrčina 2–1
26/09/22 · ATP 250 2022 · Qualifying — First round · detail
+26.41464.9 → 1491.3
beaten by Kwon Soon-woo 1–2
26/09/22 · ATP 250 2022 · First round · detail
−14.71479.6 → 1464.9
beaten by Yosuke Watanuki 0–2
23/08/21 · ATP 250 2021 · Qualifying — First round · detail
−20.41500.0 → 1479.6

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.