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 |
|---|---|---|---|---|---|
| Nov 20, 2010 | Wheeling Fall OpenTournament · View matches | 2,140 | 2,129 | -11+9 / -20 | 2W / 4L |
| Nov 6, 2010 | Fall OpenTournament · View matches | 2,150 | 2,140 | -10+6 / -16 | 5W / 2L |
| Sep 19, 2010 | 2010 Badger OpenTournament · View matches | 2,170 | 2,150 | -20+0 / -20 | 2W / 1L |
| Sep 4, 2010 | Labor Day OpenTournament · View matches | 2,140 | 2,170 | +30+33 / -3 | 5W / 1L |
| Jul 31, 2010 | Schaumburg Summer OpenTournament · View matches | 2,105 | 2,140 | +35+44 / -9 | 5W / 2L |
| Jun 12, 2010 | Wheeling Spring OpenTournament · View matches | 2,128 | 2,105 | -23+0 / -23 | 4W / 2L |
| Jan 24, 2009 | Chinese New Year OpenTournament · View matches | 2,145 | 2,128 | -17+12 / -29 | 2W / 3L |
| Nov 30, 2008 | 2008 JOOLA American Teams OpenTournament · View matches | 2,104 | 2,145 | +41+82 / -41 | 8W / 10L |
| Oct 5, 2008 | Rockford Fall OpenTournament · View matches | 2,102 | 2,104 | +2+10 / -8 | 8W / 2L |
| Sep 21, 2008 | 2008 Badger OpenTournament · View matches | 2,114 | 2,102 | -12+5 / -17 | 5W / 2L |
| Sep 13, 2008 | Sarpino's OpenTournament · View matches · USATT readjusted 2,104 → 2,105 | 2,104 | 2,114 | +9+30 / -21 | 6W / 2L |
| Jul 20, 2008 | Chicago Slam TT TournamentTournament · View matches | 2,095 | 2,104 | +9+9 / 0 | 4W / 1L |
| Jun 28, 2008 | Schaumburg June OpenTournament · View matches | 2,088 | 2,095 | +7+20 / -13 | 8W / 1L |
| May 17, 2008 | Windy City OpenTournament · View matches | 2,115 | 2,088 | -27+12 / -39 | 2W / 6L |
| May 4, 2008 | Robo-Pong St. Joe Valley OpenTournament · View matches | 2,112 | 2,115 | +3+10 / -7 | 4W / 2L |
| Apr 20, 2008 | Rockford Spring OpenTournament · View matches | 2,122 | 2,112 | -10+8 / -18 | 4W / 2L |
| Mar 29, 2008 | Schaumburg TTC Spring OpenTournament · View matches | 2,115 | 2,122 | +7+13 / -6 | 6W / 1L |
| Feb 16, 2008 | Chinese New Year OpenTournament · View matches | 2,138 | 2,115 | -23+12 / -35 | 2W / 5L |
| Dec 30, 2007 | Killerspin Holiday OpenTournament · View matches | 2,157 | 2,138 | -19+10 / -29 | 6W / 2L |
| Nov 10, 2007 | Schaumburg November OpenTournament · View matches | 2,138 | 2,157 | +19+25 / -6 | 4W / 1L |