Wins
413
Indexed tournament wins
Player record
Thomas Koh
Losses
175
Indexed tournament losses
Matches
588
Decisive results
Win rate
70.2%
Across indexed matches
Peak rating
2,008
Highest rating in the available history.
Biggest upset
Morgenroth, Kyle
2017 Angel Cup Butterfly · Nov 24, 2017 · +388 rating
Open →Biggest loss
Yu, Kaili
LATTA Open December · Dec 4, 2016 · -814 rating
Open →Most frequent opponent
Eon S Chang
11 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
88 tournament appearances · synced Aug 7, 2026, 8:41 PM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 27, 2026 | LATTA Butterfly June OpenTournament · View matches · USATT readjusted 1,872 → 1,944 | 1,872 | 1,967 | +23+45 / -22 | 10W / 3L |
| Mar 28, 2026 | LATTA Butterfly March Open 2026Tournament · View matches | 1,908 | 1,872 | -36+4 / -40 | 4W / 2L |
| Oct 12, 2025 | Ararat Friendship Games 2025Tournament · View matches | 1,912 | 1,908 | -4+7 / -11 | 4W / 3L |
| Jun 14, 2025 | LATTA Butterfly June Open 2025Tournament · View matches | 1,924 | 1,912 | -12+6 / -18 | 4W / 5L |
| Aug 24, 2024 | LATTA Butterfly August OpenTournament · View matches | 1,968 | 1,924 | -44+30 / -74 | 3W / 4L |
| Jul 20, 2024 | LATTA Butterfly July OpenTournament · View matches | 1,979 | 1,968 | -11+16 / -27 | 6W / 2L |
| Jun 22, 2024 | LATTA Butterfly June OpenTournament · View matches | 1,988 | 1,979 | -9+4 / -13 | 4W / 1L |
| Sep 30, 2023 | LATTA Butterfly Patty Martinez-Wasserman Open Sept 2023Tournament · View matches | 2,008 | 1,988 | -20+2 / -22 | 2W / 9L |
| Aug 19, 2023 | California Open 2023Tournament · View matches · USATT readjusted 1,833 → 1,980 | 1,833 | 2,008 | +28+68 / -40 | 8W / 3L |
| Oct 29, 2022 | LATTA Butterfly October Open 2022Tournament · View matches | 1,842 | 1,833 | -9+15 / -24 | 7W / 3L |
| Sep 24, 2022 | LATTA Butterfly September Open 2022Tournament · View matches | 1,843 | 1,842 | -1+5 / -6 | 3W / 1L |
| Aug 20, 2022 | LATTA Butterfly August OpenTournament · View matches · USATT readjusted 1,751 → 1,829 | 1,751 | 1,843 | +14+82 / -68 | 9W / 3L |
| Jul 30, 2022 | LATTA Butterfly July OpenTournament · View matches | 1,788 | 1,751 | -37+39 / -76 | 6W / 3L |
| Aug 31, 2019 | 2019 Joola LA OpenTournament · View matches · USATT readjusted 1,663 → 1,754 | 1,663 | 1,788 | +34+40 / -6 | 10W / 1L |
| Aug 24, 2019 | 2019 Ultimate Fieldhouse August OpenTournament · View matches | 1,631 | 1,663 | +32+32 / 0 | 3W / 1L |
| Mar 2, 2019 | Golden Western OpenTournament · View matches | 1,613 | 1,631 | +18+65 / -47 | 2W / 2L |
| Oct 27, 2018 | Glendale Friendship GamesTournament · View matches | 1,624 | 1,613 | -11+0 / -11 | 0W / 2L |
| Oct 20, 2018 | LATTA Open OctoberTournament · View matches | 1,746 | 1,624 | -122+3 / -125 | 3W / 5L |
| Oct 6, 2018 | OCTTA Pre-Halloween OpenTournament · View matches | 1,741 | 1,746 | +5+12 / -7 | 3W / 1L |
| Sep 29, 2018 | LATTA Open SeptemberTournament · View matches | 1,726 | 1,741 | +15+15 / 0 | 11W / 0L |
1–20 of 88
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