Wins
426
Indexed tournament wins
Player record
Joanna Sung
Losses
329
Indexed tournament losses
Matches
755
Decisive results
Win rate
56.4%
Across indexed matches
Peak rating
2,356
Highest rating in the available history.
Biggest upset
Vallabhapurapu, Mohan
2011 Berkeley Open on the JOOLA NA Tour · Sep 25, 2011 · +767 rating
Open →Biggest loss
Fu, Ava
ICC CA State Open · May 19, 2013 · -975 rating
Open →Most frequent opponent
Rachel Sung
25 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
62 tournament appearances · synced Aug 9, 2026, 4:14 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 3, 2015 | ICC STIGA California OpenTournament · View matches | 1,924 | 1,981 | +57+57 / 0 | 9W / 2L |
| Mar 15, 2015 | Butterfly San Francisco Open 2015Tournament · View matches | 1,958 | 1,924 | -34+2 / -36 | 4W / 2L |
| Dec 20, 2014 | 2014 US National ChampionshipsTournament · View matches | 1,887 | 1,958 | +71 | 13W / 10L |
| Dec 7, 2014 | ICC California State OpenTournament · View matches | 1,883 | 1,887 | +4+4 / 0 | 1W / 3L |
| Sep 14, 2014 | 2014 Berkeley Open on JOOLA North American TourTournament · View matches | 1,868 | 1,883 | +15 | 6W / 6L |
| Jul 5, 2014 | US OpenTournament · View matches | 1,629 | 1,868 | +239 | 9W / 11L |
| May 10, 2014 | Sacramento Spring OpenTournament · View matches | 1,695 | 1,629 | -66+0 / -66 | 1W / 8L |
| Apr 6, 2014 | ICC California State OpenTournament · View matches · USATT readjusted 1,596 → 1,659 | 1,596 | 1,695 | +36+50 / -14 | 16W / 4L |
| Dec 21, 2013 | USATT NationalsTournament · View matches | 1,521 | 1,596 | +75 | 9W / 8L |
| Dec 8, 2013 | ICC CA State OpenTournament · View matches | 1,607 | 1,521 | -86+0 / -86 | 0W / 5L |
| Jul 6, 2013 | US OpenTournament · View matches | 1,459 | 1,607 | +148 | 6W / 7L |
| May 19, 2013 | ICC CA State OpenTournament · View matches | 1,515 | 1,459 | -56+0 / -56 | 2W / 4L |
| Dec 22, 2012 | 2012 U.S. NationalsTournament · View matches | 1,481 | 1,515 | +34 | 1W / 3L |
| Sep 16, 2012 | JUIC International Jr. & Cadet ChampionshipTournament · View matches | 1,481 | 1,481 | 0+0 / 0 | 0W / 2L |
| Jul 4, 2012 | US OpenTournament · View matches | 1,085 | 1,481 | +396 | 11W / 7L |
| May 27, 2012 | ICC California State OpenTournament · View matches | 835 | 1,085 | +250 | 8W / 3L |
| Mar 18, 2012 | ICC California State OpenTournament · View matches | 878 | 835 | -43+2 / -45 | 3W / 5L |
| Feb 19, 2012 | 2012 Western Open on JOOLA North America TourTournament · View matches · USATT readjusted 511 → 832 | 511 | 878 | +46+91 / -45 | 7W / 9L |
| Nov 6, 2011 | JUIC International Jr. & Cadet ChampionshipTournament · View matches | 569 | 511 | -58+0 / -58 | 1W / 6L |
| Sep 25, 2011 | 2011 Berkeley Open on the JOOLA NA TourTournament · View matches | 148 | 569 | +421 | 4W / 7L |