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 |
|---|---|---|---|---|---|
| Aug 17, 2002 | Fox Valley OpenTournament · View matches | 1,951 | 1,989 | +38+39 / -1 | 11W / 1L |
| Jul 20, 2002 | Schaumburg July OpenTournament · View matches | 1,984 | 1,951 | -33+5 / -38 | 8W / 2L |
| Jun 15, 2002 | Schaumburg Summer OpenTournament · View matches | 2,049 | 1,984 | -65 | 3W / 3L |
| May 26, 2002 | St. Joseph Valley OpenTournament · View matches | 2,050 | 2,049 | -1+6 / -7 | 3W / 2L |
| May 4, 2002 | Schaumburg RR OpenTournament · View matches | 2,048 | 2,050 | +2+25 / -23 | 4W / 3L |
| Mar 9, 2002 | STTC 16th Anni OpenTournament · View matches | 2,037 | 2,048 | +11+19 / -8 | 6W / 2L |
| Dec 8, 2001 | Schaumburg Holiday OpenTournament · View matches | 2,064 | 2,037 | -27+2 / -29 | 2W / 2L |
| Nov 25, 2001 | 2001 Stiga No. American TeamsTournament · View matches | 2,127 | 2,064 | -63+52 / -115 | 13W / 12L |
| Oct 27, 2001 | $1400 Schaumburg RR OpenTournament · View matches · USATT readjusted 1,973 → 2,103 | 1,973 | 2,127 | +24+47 / -23 | 7W / 3L |
| Sep 15, 2001 | Benoit Glorieux OpenTournament · View matches | 1,992 | 1,973 | -19+22 / -41 | 7W / 4L |
| Aug 26, 2001 | St. Louis Gateway OpenTournament · View matches | 1,989 | 1,992 | +3 | 7W / 2L |
| May 27, 2001 | 36th St. Joseph Valley OpenTournament · View matches | 1,989 | 1,988 | -1 | 10W / 5L |
| Apr 28, 2001 | STTC 15th Anniversary RR Open-Tournament · View matches | 1,977 | 1,989 | +12+31 / -19 | 4W / 3L |
| Feb 10, 2001 | Schaumburg Open - ILTournament · View matches | 1,984 | 1,977 | -7+2 / -9 | 6W / 3L |
| Jan 13, 2001 | MI -Davison Jan. OpenTournament · View matches | 1,973 | 1,984 | +11+17 / -6 | 6W / 3L |
| Dec 2, 2000 | South Bend OpenTournament · View matches | 1,970 | 1,973 | +3 | 4W / 2L |
| Nov 26, 2000 | No. Amer. Teams Open ChampionshipsTournament · View matches | 2,022 | 1,970 | -52 | 14W / 7L |
| Aug 19, 2000 | Schaumburg OpenTournament · View matches | 2,023 | 2,022 | -1+9 / -10 | 3W / 2L |
| Aug 6, 2000 | St. Louis Gateway OpenTournament · View matches | 2,001 | 2,023 | +22+29 / -7 | 7W / 2L |
| Jul 15, 2000 | 2000 Midwest & Illinois ClosedTournament · View matches | 1,899 | 2,001 | +102 | 8W / 3L |