Wins
942
Indexed tournament wins
Player record
Zhang, Yahao
Losses
270
Indexed tournament losses
Matches
1,212
Decisive results
Win rate
77.7%
Across indexed matches
Peak rating
2,635
Highest rating in the available history.
Biggest upset
Najem, Alfred
Hutchinson 2007 Summer Open · Sep 8, 2007 · +225 rating
Open →Biggest loss
Tak Cheong Ip
2008 Millcreek Open · Oct 19, 2008 · -350 rating
Open →Most frequent opponent
Samson Dubina
16 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
137 tournament appearances · synced Aug 11, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 29, 2009 | 45th RoboPong St Joe Valley OpenTournament · View matches | 2,438 | 2,421 | -17+8 / -25 | 10W / 2L |
| Mar 22, 2009 | 2009 Butterfly Cary Cup ChampionshipTournament · View matches | 2,439 | 2,438 | -1+19 / -20 | 7W / 4L |
| Dec 20, 2008 | USATT Nationals ChampionshipsTournament · View matches | 2,411 | 2,439 | +28+49 / -21 | 11W / 4L |
| Nov 30, 2008 | 2008 JOOLA American Teams OpenTournament · View matches | 2,415 | 2,411 | -4 | 8W / 8L |
| Oct 25, 2008 | 2008 Cincinnati OpenTournament · View matches | 2,406 | 2,415 | +9+15 / -6 | 6W / 2L |
| Oct 19, 2008 | 2008 Millcreek OpenTournament · View matches | 2,456 | 2,406 | -50+0 / -50 | 5W / 1L |
| Aug 17, 2008 | Matthew Murad Memorial OpenTournament · View matches · USATT readjusted 2,371 → 2,424 | 2,371 | 2,456 | +32+36 / -4 | 13W / 2L |
| May 4, 2008 | Robo-Pong St. Joe Valley OpenTournament · View matches | 2,343 | 2,371 | +28+36 / -8 | 9W / 3L |
| Apr 27, 2008 | 2008 San Diego OpenTournament · View matches | 2,328 | 2,343 | +15+36 / -21 | 12W / 6L |
| Mar 30, 2008 | 2008 Aurora Spring OpenTournament · View matches | 2,328 | 2,328 | 0 | 9W / 0L |
| Nov 25, 2007 | 2007 JOOLA N. American Teams OTournament · View matches | 2,303 | 2,328 | +25 | 7W / 7L |
| Oct 21, 2007 | 2007 JOOLA North American TourTournament · View matches | 2,303 | 2,303 | 0+23 / -23 | 13W / 4L |
| Sep 16, 2007 | 2007 Berkeley OpenTournament · View matches | 2,368 | 2,303 | -65+8 / -73 | 13W / 5L |
| Sep 8, 2007 | Hutchinson 2007 Summer OpenTournament · View matches · USATT readjusted 2,267 → 2,326 | 2,267 | 2,368 | +42+44 / -2 | 8W / 1L |
| Apr 1, 2007 | 2007 Aurora Spring OpenTournament · View matches | 2,244 | 2,267 | +23+23 / 0 | 10W / 0L |
| Mar 25, 2007 | The 2007 John Schneider MemoriTournament · View matches | 2,243 | 2,244 | +1+30 / -29 | 12W / 4L |
| Nov 26, 2006 | 2006 N. American Teams Open ChampionshipTournament · View matches | 2,199 | 2,243 | +44+57 / -13 | 10W / 9L |
| Oct 22, 2006 | 2006 Stiga NA Tour FinalsTournament · View matches | 2,203 | 2,199 | -4+18 / -22 | 13W / 5L |
| May 13, 2006 | 2006 NA ChampionshipsTournament · View matches | 2,194 | 2,203 | +9+12 / -3 | 3W / 1L |
| Mar 5, 2006 | U.S. Open Teams TT ChampionshipTournament · View matches | 2,195 | 2,194 | -1+7 / -8 | 4W / 3L |