Wins
80
Indexed tournament wins
Player record
Koh, Kelvin
Losses
67
Indexed tournament losses
Matches
147
Decisive results
Win rate
54.4%
Across indexed matches
Peak rating
1,993
Highest rating in the available history.
Biggest upset
Tsz Lun (Alan) Chu
JOOLA North American Teams · Nov 23, 2018 · +261 rating
Open →Biggest loss
Amir Khan
26th FIT Newgy Open · Nov 12, 2016 · -258 rating
Open →Most frequent opponent
Marvin Yu
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
17 tournament appearances · synced Aug 11, 2026, 2:18 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 22, 2020 | Westchester February 2020 OpenTournament · View matches | 1,933 | 1,924 | -9+0 / -9 | 0W / 3L |
| Feb 16, 2020 | NJTTC Feb. 16, 2020 OpenTournament · View matches | 1,940 | 1,933 | -7+4 / -11 | 3W / 2L |
| Sep 28, 2019 | Westchester September 2019 OpenTournament · View matches | 1,944 | 1,940 | -4+3 / -7 | 2W / 2L |
| May 19, 2019 | The 90th New Jersey State ChampionshipsTournament · View matches | 1,928 | 1,944 | +16+33 / -17 | 8W / 5L |
| Feb 17, 2019 | AACCT/Ping Pongism Series FEBRUARY 2019 OpenTournament · View matches | 1,920 | 1,928 | +8+13 / -5 | 2W / 2L |
| Jan 26, 2019 | Westchester January 2019 OpenTournament · View matches | 1,947 | 1,920 | -27+21 / -48 | 4W / 6L |
| Dec 29, 2018 | Westchester December 2018 OpenTournament · View matches | 1,906 | 1,947 | +41+57 / -16 | 6W / 3L |
| Nov 23, 2018 | JOOLA North American TeamsTournament · View matches | 1,831 | 1,906 | +75+103 / -28 | 5W / 11L |
| Nov 17, 2018 | Westchester November 2018 OpenTournament · View matches | 1,824 | 1,831 | +7+12 / -5 | 4W / 1L |
| Aug 25, 2018 | Westchester August 2018 OpenTournament · View matches | 1,889 | 1,824 | -65+0 / -65 | 0W / 5L |
| May 6, 2018 | The 89th New Jersey State ChampionshipsTournament · View matches | 1,874 | 1,889 | +15+23 / -8 | 6W / 4L |
| Nov 24, 2017 | 20th Annual North American Team Championship Powered By JOOLATournament · View matches | 1,919 | 1,874 | -45 | 14W / 9L |
| May 13, 2017 | The 88th New Jersey State Table Tennis ChampionshipsTournament · View matches | 1,907 | 1,919 | +12+18 / -6 | 5W / 3L |
| Nov 12, 2016 | 26th FIT Newgy OpenTournament · View matches | 1,938 | 1,907 | -31+13 / -44 | 7W / 4L |
| Nov 16, 2014 | 21st FIT OpenTournament · View matches | 1,951 | 1,938 | -13+0 / -13 | 1W / 1L |
| Mar 24, 2013 | Westchester 2013 March OpenTournament · View matches | 1,993 | 1,951 | -42+0 / -42 | 4W / 3L |
| Mar 10, 2013 | 18th FIT OpenTournament · View matches · Initial rating 1,993 | Unrated | 1,993 | +7+19 / -12 | 9W / 3L |
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