Wins
491
Indexed tournament wins
Player record
Zhao, Junduo (Jason)
Losses
270
Indexed tournament losses
Matches
761
Decisive results
Win rate
64.5%
Across indexed matches
Peak rating
2,185
Highest rating in the available history.
Biggest upset
Solis, Engelbert
2000 Midwest & Illinois Closed · Jul 15, 2000 · +304 rating
Open →Biggest loss
Spall, Mark
No. Amer. Teams Open Championships · Nov 26, 2000 · -428 rating
Open →Most frequent opponent
Leon Li
22 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
94 tournament appearances · synced Aug 11, 2026, 2:17 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 15, 2007 | Schaumburg Fall OpenTournament · View matches | 2,132 | 2,138 | +6+29 / -23 | 4W / 3L |
| Jun 23, 2007 | Summer OpenTournament · View matches | 2,084 | 2,132 | +48+54 / -6 | 5W / 2L |
| Oct 7, 2006 | Schaumburg OpenTournament · View matches | 2,074 | 2,084 | +10+23 / -13 | 5W / 1L |
| Aug 12, 2006 | Schaumburg Summer OpenTournament · View matches | 2,079 | 2,074 | -5+18 / -23 | 8W / 2L |
| Aug 27, 2005 | Schaumburg August OpenTournament · View matches | 2,056 | 2,079 | +23+27 / -4 | 8W / 2L |
| Jun 18, 2005 | Schaumburg Summer RRTournament · View matches | 2,069 | 2,056 | -13+29 / -42 | 5W / 4L |
| Apr 2, 2005 | Primo's Farewell OpenTournament · View matches | 2,093 | 2,069 | -24+24 / -48 | 5W / 4L |
| Dec 18, 2004 | Schaumburg Christmas OpenTournament · View matches | 2,104 | 2,093 | -11+2 / -13 | 2W / 1L |
| Aug 21, 2004 | 2004 Indiana OpenTournament · View matches | 2,106 | 2,104 | -2+20 / -22 | 2W / 5L |
| Aug 7, 2004 | Schaumburg OpenTournament · View matches | 2,145 | 2,106 | -39+5 / -44 | 3W / 3L |
| Jun 26, 2004 | Schaumburg US Open Tune-up RR Tournament · View matches | 2,158 | 2,145 | -13+6 / -19 | 5W / 3L |
| May 16, 2004 | 40th St. Joseph Valley OpenTournament · View matches | 2,185 | 2,158 | -27+5 / -32 | 8W / 3L |
| Nov 30, 2003 | North American TeamsTournament · View matches | 2,133 | 2,185 | +52 | 13W / 7L |
| Oct 18, 2003 | Schaumburg OpenTournament · View matches | 2,115 | 2,133 | +18+31 / -13 | 9W / 2L |
| Sep 13, 2003 | Glenview Fall TournamentTournament · View matches | 2,123 | 2,115 | -8+5 / -13 | 5W / 1L |
| Apr 13, 2003 | 39th St. Joseph Valley OpenTournament · View matches | 2,133 | 2,123 | -10+8 / -18 | 5W / 3L |
| Feb 22, 2003 | Schaumburg OpenTournament · View matches | 2,133 | 2,133 | 0+7 / -7 | 5W / 1L |
| Dec 29, 2002 | 2002 Killerspin OpenTournament · View matches | 2,120 | 2,133 | +13+23 / -10 | 4W / 3L |
| Oct 19, 2002 | Schaumburg OpenTournament · View matches | 2,147 | 2,120 | -27+0 / -27 | 4W / 2L |
| Sep 21, 2002 | Glenview Fall OpenTournament · View matches · USATT readjusted 1,989 → 2,130 | 1,989 | 2,147 | +17+23 / -6 | 10W / 1L |