Wins
48
Indexed tournament wins
Player record
Koichi Okumura
Losses
32
Indexed tournament losses
Matches
80
Decisive results
Win rate
60.0%
Across indexed matches
Peak rating
1,894
Highest rating in the available history.
Biggest upset
Nabil Shehadeh
South Shore Sports/Butterfly Table Tennis Championships · Oct 27, 2013 · +168 rating
Open →Biggest loss
Meng-yu Wang
2014 Badger Open · Sep 21, 2014 · -185 rating
Open →Most frequent opponent
Carl L. Bradley Jr
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
7 tournament appearances · synced Aug 26, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Oct 25, 2015 | 2015 South Shore Butterfly OpenTournament · View matches | 1,829 | 1,858 | +29+37 / -8 | 7W / 4L |
| Sep 21, 2014 | 2014 Badger OpenTournament · View matches | 1,894 | 1,829 | -65+12 / -77 | 4W / 6L |
| Aug 3, 2014 | 2014 Indiana Open Giant RR and Two Man TeamsTournament · View matches · USATT readjusted 1,814 → 1,876 | 1,814 | 1,894 | +18+45 / -27 | 9W / 5L |
| May 4, 2014 | St. Louis OpenTournament · View matches | 1,807 | 1,814 | +7+25 / -18 | 7W / 4L |
| Mar 1, 2014 | 2014 Missouri Winter Games OpenTournament · View matches | 1,849 | 1,807 | -42+1 / -43 | 4W / 3L |
| Oct 27, 2013 | South Shore Sports/Butterfly Table Tennis ChampionshipsTournament · View matches · USATT readjusted 1,714 → 1,825 | 1,714 | 1,849 | +24+48 / -24 | 11W / 7L |
| Sep 22, 2013 | 2013 Badger OpenTournament · View matches · Initial rating 1,714 | Unrated | 1,714 | — | 6W / 3L |
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