Wins
508
Indexed tournament wins
Player record
Preston Nguyen
Losses
217
Indexed tournament losses
Matches
725
Decisive results
Win rate
70.1%
Across indexed matches
Peak rating
2,353
Highest rating in the available history.
Biggest upset
Fernando (Jun) Valencia
Pacific Coast · Aug 29, 2004 · +263 rating
Open →Biggest loss
Baker, Quinn
2017 SuperMicro US Nationals · Jul 3, 2017 · -522 rating
Open →Most frequent opponent
Robert Shahnazari
24 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
101 tournament appearances · synced Aug 9, 2026, 2:47 PM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 23, 2013 | Joseph Bae OpenTournament · View matches | 2,281 | 2,296 | +15+15 / 0 | 4W / 0L |
| Oct 27, 2013 | Neil Smyth MemorialTournament · View matches | 2,278 | 2,281 | +3+7 / -4 | 5W / 1L |
| Oct 6, 2013 | Glendale Friendship Games 2013Tournament · View matches | 2,299 | 2,278 | -21+0 / -21 | 1W / 2L |
| Sep 1, 2013 | 2013 LA Open Table Tennis TournamentTournament · View matches | 2,301 | 2,299 | -2+4 / -6 | 3W / 1L |
| Apr 28, 2013 | Wing Hop Fung Washington Cup OpenTournament · View matches | 2,309 | 2,301 | -8 | 7W / 3L |
| Feb 17, 2013 | North-West LA TournamentTournament · View matches | 2,300 | 2,309 | +9+13 / -4 | 3W / 1L |
| Sep 2, 2012 | 2012 LA Open Butterfly Table Tennis TournamentTournament · View matches | 2,320 | 2,300 | -20+0 / -20 | 2W / 1L |
| Aug 26, 2012 | Pacific Coast OpenTournament · View matches | 2,318 | 2,320 | +2+4 / -2 | 3W / 1L |
| Jul 28, 2012 | Joseph Bae Spring OpenTournament · View matches | 2,311 | 2,318 | +7+11 / -4 | 3W / 1L |
| Jun 24, 2012 | California State OpenTournament · View matches | 2,315 | 2,311 | -4+1 / -5 | 3W / 1L |
| Apr 15, 2012 | LATTA TournamentTournament · View matches | 2,325 | 2,315 | -10+8 / -18 | 3W / 3L |
| Mar 4, 2012 | 2012 Northridge OpenTournament · View matches | 2,350 | 2,325 | -25+5 / -30 | 5W / 3L |
| Feb 5, 2012 | Joseph Bae Lunar New Year OpenTournament · View matches | 2,317 | 2,350 | +33+38 / -5 | 7W / 2L |
| Jan 22, 2012 | LATTA OpenTournament · View matches | 2,313 | 2,317 | +4+25 / -21 | 5W / 2L |
| Nov 13, 2011 | LATTA Washington CupTournament · View matches | 2,316 | 2,313 | -3+6 / -9 | 5W / 2L |
| Sep 4, 2011 | LA Open TT Tournament 2011Tournament · View matches | 2,349 | 2,316 | -33+0 / -33 | 1W / 3L |
| Aug 28, 2011 | Pacific Coast OpenTournament · View matches | 2,353 | 2,349 | -4+2 / -6 | 3W / 1L |
| Jul 24, 2011 | Joseph Bae Table Tennis Summer OpenTournament · View matches | 2,351 | 2,353 | +2+3 / -1 | 6W / 1L |
| Jun 12, 2011 | LATTA OpenTournament · View matches · USATT readjusted 2,255 → 2,321 | 2,255 | 2,351 | +30+31 / -1 | 10W / 1L |
| Jun 5, 2011 | ICC CA State OpenTournament · View matches | 2,205 | 2,255 | +50+55 / -5 | 7W / 3L |