Lee Sang-Su

Where the 1637.6 rating comes from

From 132 matches played between 20 May 2013 and 8 November 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.

132 matches, from the most recent to the first

beaten by Dang Qiu 1–4
08/11/25 · WTT Champions Frankfurt 2025 · Semifinals · detail
−10.41647.9 → 1637.6
beat Simon Gauzy 4–2
06/11/25 · WTT Champions Frankfurt 2025 · Quarterfinals · detail
+12.21635.8 → 1647.9
beat Lin Yun-Ju 3–1
05/11/25 · WTT Champions Frankfurt 2025 · Round of 16 · detail
+16.31619.5 → 1635.8
beaten by Jang Woo-jin 1–4
30/10/25 · WTT Champions Montpellier 2025 · Quarterfinals · detail
−9.91629.4 → 1619.5
beat Kanak Jha 3–2
29/10/25 · WTT Champions Montpellier 2025 · Round of 16 · detail
+9.81619.6 → 1629.4
beat An Jae-hyun 3–1
28/10/25 · WTT Champions Montpellier 2025 · Round of 32 · detail
+13.61606.0 → 1619.6
beaten by Milosz Redzimski 2–3
25/09/25 · China Smash 2025 · Round of 64 · detail
−16.61622.7 → 1606.0
beaten by Thibault Poret 0–3
09/09/25 · WTT Champions Macao 2025 · Round of 32 · detail
−17.71640.4 → 1622.7
beaten by Lin Yun-Ju 0–3
14/08/25 · Europe Smash 2025 · Round of 64 · detail
−7.91648.3 → 1640.4
beaten by Sora Matsushima 2–3
07/08/25 · WTT Champions Yokohama 2025 · Round of 32 · detail
−15.11663.4 → 1648.3
beaten by Wang Chuqin 0–3
07/07/25 · United States Smash 2025 · Round of 16 · detail
−3.31666.7 → 1663.4
beat Liam Pitchford 3–1
05/07/25 · United States Smash 2025 · Round of 32 · detail
+7.61659.1 → 1666.7
beat Kanak Jha 3–2
03/07/25 · United States Smash 2025 · Round of 64 · detail
+7.81651.3 → 1659.1
beaten by Xiang Peng 0–4
06/04/25 · WTT Champions Incheon 2025 · Final · detail
−12.91664.1 → 1651.3
beat Lin Yun-Ju 4–2
05/04/25 · WTT Champions Incheon 2025 · Semifinals · detail
+16.31647.8 → 1664.1
beat Lin Gaoyuan 4–2
03/04/25 · WTT Champions Incheon 2025 · Quarterfinals · detail
+17.01630.8 → 1647.8
beat Anders Lind 3–1
02/04/25 · WTT Champions Incheon 2025 · Round of 16 · detail
+9.21621.6 → 1630.8
beat Felix Lebrun 3–2
01/04/25 · WTT Champions Incheon 2025 · Round of 32 · detail
+15.91605.8 → 1621.6
beaten by Hiroto Shinozuka 2–3
12/03/25 · WTT Champions Chongqing 2025 · Round of 16 · detail
−15.91621.6 → 1605.8
beat Hugo Calderano 3–1
11/03/25 · WTT Champions Chongqing 2025 · Round of 32 · detail
+15.51606.1 → 1621.6
beaten by Xue Fei 2–3
30/01/25 · Singapore Smash 2025 · Round of 64 · detail
−16.31622.4 → 1606.1
beaten by Ma Long 0–3
30/09/24 · China Smash 2024 · Round of 16 · detail
−3.31625.6 → 1622.4
28/09/24 · China Smash 2024 · Round of 32 · detail
+14.51611.1 → 1625.6
beat Yuan Licen 3–2
26/09/24 · China Smash 2024 · Round of 64 · detail
+7.91603.2 → 1611.1
beaten by Fan Zhendong 0–3
30/05/24 · WTT Champions Chongqing 2024 · Round of 32 · detail
−2.71605.9 → 1603.2
beaten by Quadri Aruna 2–3
03/05/24 · Saudi Smash 2024 · Round of 32 · detail
−12.51618.4 → 1605.9
beat Anton Kallberg 3–2
01/05/24 · Saudi Smash 2024 · Round of 64 · detail
+9.61608.8 → 1618.4
beaten by Simon Gauzy 0–3
28/03/24 · WTT Champions Incheon 2024 · Round of 16 · detail
−15.51624.3 → 1608.8
beat Edward Ly 3–0
27/03/24 · WTT Champions Incheon 2024 · Round of 32 · detail
+7.41616.9 → 1624.3
beaten by Omar Assar 2–3
09/03/24 · Singapore Smash 2024 · Round of 32 · detail
−15.51632.4 → 1616.9
beat Lin Gaoyuan 3–1
07/03/24 · Singapore Smash 2024 · Round of 64 · detail
+19.11613.3 → 1632.4
beaten by Felix Lebrun 2–3
02/11/23 · WTT Champions Frankfurt 2023 · Quarterfinals · detail
−13.61626.9 → 1613.3
beat Fan Zhendong 3–1
31/10/23 · WTT Champions Frankfurt 2023 · Round of 16 · detail
+22.31604.6 → 1626.9
beat Timo Boll 3–1
29/10/23 · WTT Champions Frankfurt 2023 · Round of 32 · detail
+16.81587.8 → 1604.6
28/05/23 · World Table Tennis Championships 2023 · Second round · detail
+10.01577.8 → 1587.8
beaten by Lin Gaoyuan 0–4
28/05/23 · World Table Tennis Championships 2023 · Third round · detail
−4.71582.5 → 1577.8
beat Huang Yan-cheng 4–0
28/05/23 · World Table Tennis Championships 2023 · First round · detail
+9.51573.0 → 1582.5
beaten by Fan Zhendong 0–3
19/04/23 · WTT Champions Macao 2023 · Round of 16 · detail
−1.41574.4 → 1573.0
beat Yukiya Uda 3–0
17/04/23 · WTT Champions Macao 2023 · Round of 32 · detail
+12.41562.1 → 1574.4
beaten by Fan Zhendong 1–3
11/04/23 · WTT Champions Xinxiang 2023 · Round of 16 · detail
−1.41563.5 → 1562.1
beat Omar Assar 3–2
09/04/23 · WTT Champions Xinxiang 2023 · Round of 32 · detail
+9.01554.4 → 1563.5
beaten by Ma Long 0–3
12/03/23 · Singapore Smash 2023 · Round of 16 · detail
−1.81556.2 → 1554.4
beat Chuang Chih-Yuan 3–2
09/03/23 · Singapore Smash 2023 · Round of 32 · detail
+13.81542.4 → 1556.2
07/03/23 · Singapore Smash 2023 · Round of 64 · detail
+11.51530.9 → 1542.4
beaten by Liang Jingkun 0–3
18/07/22 · WTT Champions Budapest 2022 · Round of 32 · detail
−4.21535.1 → 1530.9
beaten by Quadri Aruna 2–3
07/03/22 · Singapore Smash 2022 · Round of 64 · detail
−9.31544.5 → 1535.1
beaten by Jeoung Young-sik 1–3
07/12/21 · WTT Cup Finals 2021 · Round of 16 · detail
−11.31555.8 → 1544.5
beaten by Martin Allegro 0–4
29/11/21 · World Table Tennis Championships 2021 · Second round · detail
−17.11572.9 → 1555.8
29/11/21 · World Table Tennis Championships 2021 · First round · detail
+9.11563.7 → 1572.9
beaten by Simon Gauzy 1–4
28/01/20 · ITTF World Tour, German Open 2020 · Round of 32 · detail
−11.51575.2 → 1563.7

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.