Hong Seong-chan

Where the 1522.2 rating comes from

From 18 matches played between 26 September 2022 and 5 October 2026, 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.

18 matches, from the most recent to the first

beaten by Rei Sakamoto 0–2
05/10/26 · ATP 1000 2026 · Qualifying — First round · detail
−12.01534.2 → 1522.2
beaten by Coleman Wong 0–2
10/08/26 · ATP 1000 2026 · Qualifying — First round · detail
−11.11545.3 → 1534.2
beaten by Yosuke Watanuki 0–2
01/10/24 · ATP 1000 2024 · Qualifying — Qualifying competition · detail
−10.41555.7 → 1545.3
beat Illya Marchenko 2–0
30/09/24 · ATP 1000 2024 · Qualifying — First round · detail
+11.41544.3 → 1555.7
beaten by Alibek Kachmazov 0–2
16/09/24 · ATP 250 2024 · Qualifying — First round · detail
−10.51554.7 → 1544.3
beat Paul Jubb 2–0
29/07/24 · ATP 500 2024 · Qualifying — Qualifying competition · detail
+14.11540.6 → 1554.7
beat Alex Bolt 2–0
29/07/24 · ATP 500 2024 · Qualifying — First round · detail
+15.81524.8 → 1540.6
beat Karen Khachanov 2–0
29/07/24 · ATP 500 2024 · Second round · detail
+20.41504.5 → 1524.8
beaten by Alex Michelsen 0–2
29/07/24 · ATP 500 2024 · Third round · detail
−15.61520.0 → 1504.5
beat Adam Walton 2–0
29/07/24 · ATP 500 2024 · First round · detail
+26.31493.8 → 1520.0
beaten by Alex Bolt 0–2
15/07/24 · ATP 250 2024 · Qualifying — First round · detail
−16.61510.4 → 1493.8
beaten by Jakub Menšík 0–2
06/03/24 · ATP 1000 2024 · First round · detail
−12.11522.4 → 1510.4
beat Sumit Nagal 2–1
05/03/24 · ATP 1000 2024 · Qualifying — Qualifying competition · detail
+26.81495.6 → 1522.4
beat Kwon Soon-woo 2–0
04/03/24 · ATP 1000 2024 · Qualifying — First round · detail
+37.51458.1 → 1495.6
beaten by Dane Sweeny 0–2
03/10/23 · ATP 1000 2023 · Qualifying — Qualifying competition · detail
−21.21479.3 → 1458.1
beat Ergi Kırkın 2–0
02/10/23 · ATP 1000 2023 · Qualifying — First round · detail
+26.41452.9 → 1479.3
beaten by Facundo Díaz Acosta 0–2
03/04/23 · ATP 250 2023 · Qualifying — First round · detail
−24.91477.8 → 1452.9
beaten by Kaichi Uchida 0–2
26/09/22 · ATP 250 2022 · First round · detail
−22.21500.0 → 1477.8

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.