Wins
237
Indexed tournament wins
Player record
Joseph Yoon
Losses
189
Indexed tournament losses
Matches
426
Decisive results
Win rate
55.6%
Across indexed matches
Peak rating
2,221
Highest rating in the available history.
Biggest upset
Luo, Robert
Robo-Pong St. Joe Valley Open · May 4, 2008 · +235 rating
Open →Biggest loss
Ethan Keller
2016 Butterfly Badger Open · Sep 16, 2016 · -417 rating
Open →Most frequent opponent
Leon Li
12 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
51 tournament appearances · synced Aug 8, 2026, 2:34 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 29, 2008 | Schaumburg TTC Spring OpenTournament · View matches | 2,005 | 2,021 | +16 | 6W / 2L |
| Dec 30, 2007 | Killerspin Holiday OpenTournament · View matches | 2,017 | 2,005 | -12+32 / -44 | 9W / 6L |
| May 5, 2007 | Schaunburg Spring OpenTournament · View matches | 2,039 | 2,017 | -22+0 / -22 | 4W / 2L |
| Mar 18, 2007 | 42nd St. Joseph Valley OpenTournament · View matches | 2,001 | 2,039 | +38 | 7W / 2L |
| May 17, 2003 | Glenview Spring TournamentTournament · View matches | 2,026 | 2,001 | -25+0 / -25 | 2W / 1L |
| Dec 29, 2002 | 2002 Killerspin OpenTournament · View matches | 2,005 | 2,026 | +21+26 / -5 | 5W / 4L |
| May 18, 2002 | Chicago Table Tennis Club TourTournament · View matches | 1,992 | 2,005 | +13+20 / -7 | 6W / 2L |
| Oct 20, 2001 | Fox Valley OpenTournament · View matches | 1,986 | 1,992 | +6+13 / -7 | 3W / 2L |
| May 27, 2001 | 36th St. Joseph Valley OpenTournament · View matches · USATT readjusted 1,884 → 1,943 | 1,884 | 1,986 | +43+52 / -9 | 13W / 4L |
| Feb 10, 2001 | Schaumburg Open - ILTournament · View matches | 1,863 | 1,884 | +21+21 / 0 | 5W / 2L |
| Sep 22, 2000 | Chicago Ping Pong 2000Tournament · View matches · Initial rating 1,863 | Unrated | 1,863 | — | 6W / 2L |
41–51 of 51
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