Wins
116
Indexed tournament wins
Player record
Koji Yamada
Losses
102
Indexed tournament losses
Matches
218
Decisive results
Win rate
53.2%
Across indexed matches
Peak rating
1,469
Highest rating in the available history.
Biggest upset
Affolder, David
Atlanta Fall Open · Sep 10, 2011 · +606 rating
Open →Biggest loss
Semenov, Sergey
Atlanta Open Giant Round Robin · Mar 5, 2016 · -401 rating
Open →Most frequent opponent
Banot, John
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
27 tournament appearances · synced Aug 9, 2026, 2:48 PM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jul 13, 2013 | Georgia GamesTournament · View matches | 1,388 | 1,388 | 0+2 / -2 | 3W / 3L |
| Apr 13, 2013 | Georgia Southern OpenTournament · View matches | 1,392 | 1,388 | -4+8 / -12 | 4W / 3L |
| Mar 2, 2013 | Atlanta Giant Round RobinTournament · View matches | 1,411 | 1,392 | -19+8 / -27 | 2W / 5L |
| Sep 29, 2012 | Atlanta Giant Round RobinTournament · View matches | 1,261 | 1,411 | +150 | 4W / 5L |
| Jul 15, 2012 | Georgia Games Table TennisTournament · View matches | 1,269 | 1,261 | -8 | 2W / 5L |
| Sep 10, 2011 | Atlanta Fall OpenTournament · View matches · USATT readjusted 855 → 1,203 | 855 | 1,269 | +66+78 / -12 | 7W / 2L |
| Mar 27, 2011 | AJCC Spring Classic TT OpenTournament · View matches · Initial rating 855 | Unrated | 855 | — | 8W / 3L |
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