Wins
14
Indexed tournament wins
Player record
Joshua Zhao
Losses
17
Indexed tournament losses
Matches
31
Decisive results
Win rate
45.2%
Across indexed matches
Peak rating
1,102
Highest rating in the available history.
Biggest upset
Vladimir Rosenbaum
RoboPong St. Joseph Valley Ope · Mar 13, 2011 · +534 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Vincent Chang
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
3 tournament appearances · synced Aug 28, 2026, 2:28 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 13, 2011 | RoboPong St. Joseph Valley OpeTournament · View matches | 701 | 1,102 | +401 | 10W / 7L |
| Nov 14, 2010 | South Shore Sports / Butterfly OpenTournament · View matches · USATT readjusted 584 → 638 | 584 | 701 | +63+65 / -2 | 3W / 6L |
| May 2, 2010 | Robo-Pong St. Joseph Valley OpenTournament · View matches · Initial rating 584 | Unrated | 584 | — | 1W / 4L |
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