Wins
1,440
Indexed tournament wins
Player record
John Mar
Losses
644
Indexed tournament losses
Matches
2,084
Decisive results
Win rate
69.1%
Across indexed matches
Peak rating
2,312
Highest rating in the available history.
Biggest upset
Mikhail Kazantsev
2003 U.S. Open · Jul 6, 2003 · +317 rating
Open →Biggest loss
Liu, William
2011 JOOLA N. American Teams O · Nov 27, 2011 · -655 rating
Open →Most frequent opponent
De Souza, Kwaovi Didi
38 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
219 tournament appearances · synced Aug 8, 2026, 3:32 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 6, 2000 | Junior TeamsTournament · View matches | 2,061 | 2,057 | -4+0 / -4 | 1W / 1L |
| Aug 6, 2000 | Junior OlympicsTournament · View matches | 2,057 | 2,049 | -8 | 2W / 2L |
| Aug 6, 2000 | Junior NationalsTournament · View matches | 2,045 | 2,061 | +16+20 / -4 | 4W / 1L |
| Jul 23, 2000 | Georgia GamesTournament · View matches | 2,053 | 2,053 | 0+0 / 0 | 0W / 2L |
| Jul 9, 2000 | U.S. Open/ITTF Pro TourTournament · View matches | 2,089 | 2,053 | -36+7 / -43 | 5W / 5L |
| Jun 3, 2000 | Georgia AAU Jr. Olympics QualifierTournament · View matches | 2,090 | 2,089 | -1+0 / -1 | 3W / 1L |
| Apr 22, 2000 | Atlanta Spring OpenTournament · View matches | 2,086 | 2,090 | +4+22 / -18 | 7W / 2L |
| Mar 12, 2000 | Greater Atlanta ClosedTournament · View matches | 2,084 | 2,086 | +2+3 / -1 | 2W / 1L |
| Mar 11, 2000 | Atlanta Giant RRTournament · View matches | 2,065 | 2,084 | +19+21 / -2 | 5W / 2L |
| Feb 6, 2000 | Orlando Winter OpenTournament · View matches | 2,073 | 2,065 | -8+3 / -11 | 2W / 2L |
| Jan 2, 2000 | City of Atlanta Jr. League ParTournament · View matches | 2,073 | 2,073 | 0+0 / 0 | 2W / 0L |
| Dec 5, 1999 | Atlanta Winter ClosedTournament · View matches | 2,074 | 2,073 | -1 | 6W / 2L |
| Nov 13, 1999 | Atlanta Giant RRTournament · View matches · USATT readjusted 1,910 → 2,057 | 1,910 | 2,074 | +17+28 / -11 | 6W / 2L |
| Oct 16, 1999 | T-Tonics ClassicsTournament · View matches | 1,883 | 1,910 | +27 | 9W / 3L |
| Jun 5, 1999 | Georgia AAU/Jr. Olympic TrialsTournament · View matches | 1,859 | 1,883 | +24 | 5W / 0L |
| May 30, 1999 | St. Joseph Valley OpenTournament · View matches | 1,872 | 1,859 | -13+31 / -44 | 5W / 4L |
| May 8, 1999 | Atlanta "Spring" OpenTournament · View matches | 1,878 | 1,872 | -6 | 8W / 4L |
| Mar 6, 1999 | Atlanta Giant RRTournament · View matches | 1,870 | 1,878 | +8 | 5W / 3L |
| Jan 31, 1999 | Orlando Winter OpenTournament · View matches | 1,860 | 1,870 | +10+49 / -39 | 4W / 2L |
| Dec 5, 1998 | Atlanta Winter OpenTournament · View matches | 1,838 | 1,860 | +22+41 / -19 | 6W / 4L |