Wins
86
Indexed tournament wins
Player record
Oh, John
Losses
126
Indexed tournament losses
Matches
212
Decisive results
Win rate
40.6%
Across indexed matches
Peak rating
1,761
Highest rating in the available history.
Biggest upset
Hendrickson, Gary
2005 Killerspin Holiday Open · Dec 30, 2005 · +173 rating
Open →Biggest loss
Kim, Ho
Hot Summer Open · Jul 25, 2009 · -290 rating
Open →Most frequent opponent
Phillip Moy
7 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
34 tournament appearances · synced Aug 8, 2026, 2:17 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 13, 2010 | Year of the Tiger OpenTournament · View matches | 1,548 | 1,545 | -3+0 / -3 | 0W / 5L |
| Jan 23, 2010 | Schaumburg January OpenTournament · View matches | 1,556 | 1,548 | -8+13 / -21 | 1W / 6L |
| Nov 7, 2009 | Schaumburg Fall OpenTournament · View matches | 1,521 | 1,556 | +35+44 / -9 | 5W / 2L |
| Sep 5, 2009 | Labor Day OpenTournament · View matches | 1,552 | 1,521 | -31+0 / -31 | 0W / 6L |
| Jul 25, 2009 | Hot Summer OpenTournament · View matches | 1,614 | 1,552 | -62+4 / -66 | 2W / 5L |
| May 9, 2009 | Windy City OpenTournament · View matches | 1,658 | 1,614 | -44+17 / -61 | 2W / 5L |
| Mar 14, 2009 | Schaumburg Spring OpenTournament · View matches | 1,675 | 1,658 | -17+0 / -17 | 0W / 3L |
| Jan 24, 2009 | Chinese New Year OpenTournament · View matches | 1,680 | 1,675 | -5+22 / -27 | 3W / 4L |
| Nov 8, 2008 | Schaumburg TTC Fall OpenTournament · View matches | 1,687 | 1,680 | -7 | 4W / 3L |
| Sep 13, 2008 | Sarpino's OpenTournament · View matches | 1,719 | 1,687 | -32+15 / -47 | 2W / 5L |
| Jun 28, 2008 | Schaumburg June OpenTournament · View matches | 1,700 | 1,719 | +19+25 / -6 | 2W / 1L |
| May 17, 2008 | Windy City OpenTournament · View matches | 1,744 | 1,700 | -44+7 / -51 | 1W / 7L |
| Mar 29, 2008 | Schaumburg TTC Spring OpenTournament · View matches | 1,751 | 1,744 | -7+6 / -13 | 3W / 2L |
| Nov 10, 2007 | Schaumburg November OpenTournament · View matches | 1,749 | 1,751 | +2+2 / 0 | 1W / 2L |
| Sep 15, 2007 | Schaumburg Fall OpenTournament · View matches | 1,761 | 1,749 | -12+15 / -27 | 2W / 5L |
| Jun 23, 2007 | Summer OpenTournament · View matches | 1,749 | 1,761 | +12+33 / -21 | 4W / 3L |
| May 5, 2007 | Schaunburg Spring OpenTournament · View matches | 1,737 | 1,749 | +12+26 / -14 | 3W / 3L |
| Feb 17, 2007 | Chinese New YearTournament · View matches · USATT readjusted 1,700 → 1,702 | 1,700 | 1,737 | +35+54 / -19 | 3W / 4L |
| Aug 12, 2006 | Schaumburg Summer OpenTournament · View matches · USATT readjusted 1,665 → 1,658 | 1,665 | 1,700 | +42+53 / -11 | 8W / 3L |
| Jun 24, 2006 | STTC 20th Anniversary OpenTournament · View matches · USATT readjusted 1,702 → 1,705 | 1,702 | 1,665 | -40+7 / -47 | 2W / 4L |
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