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, 9:08 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 26, 2023 | LATTA Butterfly Open August 2023Tournament · View matches | 2,216 | 2,221 | +5+5 / 0 | 4W / 0L |
| Aug 12, 2023 | 2023 Joola LA OpenTournament · View matches | 2,232 | 2,216 | -16+0 / -16 | 2W / 1L |
| Jun 17, 2023 | LATTA Hong Shih Butterfly OpenTournament · View matches | 2,202 | 2,232 | +30+36 / -6 | 10W / 1L |
| May 27, 2023 | San Diego Paddle Palace Open Tournament · View matches | 2,219 | 2,202 | -17+10 / -27 | 6W / 4L |
| May 19, 2023 | 2023 USATT Pacific Regional ChampionshipsTournament · View matches | 2,211 | 2,219 | +8+30 / -22 | 1W / 4L |
| Mar 25, 2023 | LATTA Butterfly Open March 2023Tournament · View matches | 2,246 | 2,211 | -35+8 / -43 | 6W / 2L |
| Feb 11, 2023 | Huntington Beach Weekend February 2023Tournament · View matches | 2,216 | 2,246 | +30+33 / -3 | 7W / 1L |
| Jan 28, 2023 | LATTA Butterfly January Open 2023Tournament · View matches | 2,274 | 2,216 | -58+7 / -65 | 4W / 2L |
| Dec 10, 2022 | 2022 LA OpenTournament · View matches | 2,287 | 2,274 | -13+0 / -13 | 2W / 1L |
| Jul 20, 2019 | OCTTA- JULY 2019 OPENTournament · View matches | 2,311 | 2,287 | -24+8 / -32 | 3W / 2L |
| Jun 22, 2019 | Homenetmen Ararat OpenTournament · View matches · USATT readjusted 2,214 → 2,280 | 2,214 | 2,311 | +31+51 / -20 | 12W / 3L |
| May 11, 2019 | OCTTA- MAY OPENTournament · View matches · USATT readjusted 2,125 → 2,183 | 2,125 | 2,214 | +31+35 / -4 | 10W / 3L |
| Apr 27, 2019 | LATTA Open April 2019Tournament · View matches | 2,118 | 2,125 | +7+7 / 0 | 4W / 0L |
| Mar 16, 2019 | OCTTA-March OpenTournament · View matches | 2,156 | 2,118 | -38+2 / -40 | 2W / 1L |
| Jul 3, 2017 | 2017 SuperMicro US NationalsTournament · View matches | 2,296 | 2,156 | -140+16 / -156 | 7W / 5L |
| May 13, 2017 | Joseph Bae OpenTournament · View matches | 2,297 | 2,296 | -1+1 / -2 | 3W / 1L |
| Mar 25, 2017 | Golden Western OpenTournament · View matches | 2,287 | 2,297 | +10+14 / -4 | 9W / 1L |
| Mar 18, 2017 | Fourth Annual Laguna Hills High School OpenTournament · View matches | 2,266 | 2,287 | +21+21 / 0 | 6W / 2L |
| Feb 18, 2017 | Joseph Bae OpenTournament · View matches | 2,258 | 2,266 | +8+8 / 0 | 2W / 0L |
| Dec 10, 2016 | OCTTA - Pre US Open Warm UpTournament · View matches | 2,296 | 2,258 | -38+0 / -38 | 0W / 2L |