Wins
522
Indexed tournament wins
Player record
Olaf Surmann
Losses
200
Indexed tournament losses
Matches
722
Decisive results
Win rate
72.3%
Across indexed matches
Peak rating
2,244
Highest rating in the available history.
Biggest upset
Zeng, David Heng-Wah
ICC California State Open · May 27, 2012 · +202 rating
Open →Biggest loss
So, Preston
Sacramento Winter Open · Mar 3, 2012 · -408 rating
Open →Most frequent opponent
Tom Spesick
13 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
123 tournament appearances · synced Aug 8, 2026, 2:57 PM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 14, 2012 | Sacramento Spring OpenTournament · View matches | 2,098 | 2,101 | +3+13 / -10 | 7W / 2L |
| Mar 3, 2012 | Sacramento Winter OpenTournament · View matches | 2,138 | 2,098 | -40+0 / -40 | 3W / 2L |
| Dec 4, 2011 | ICC CA State OpenTournament · View matches | 2,155 | 2,138 | -17+2 / -19 | 5W / 2L |
| Oct 29, 2011 | Sacramento Fall OpenTournament · View matches | 2,112 | 2,155 | +43+46 / -3 | 5W / 2L |
| Sep 25, 2011 | 2011 Berkeley Open on the JOOLA NA TourTournament · View matches | 2,112 | 2,112 | 0+5 / -5 | 3W / 1L |
| Sep 5, 2011 | 2nd AMDT San Francisco Open Table Tennis ChampionshipsTournament · View matches | 2,111 | 2,112 | +1+3 / -2 | 1W / 1L |
| Aug 20, 2011 | Sacramento Summer OpenTournament · View matches | 2,111 | 2,111 | 0+5 / -5 | 4W / 2L |
| Jun 26, 2011 | 2011 US Open Warm-UpTournament · View matches | 2,108 | 2,111 | +3+3 / 0 | 1W / 3L |
| May 29, 2011 | Golden State OpenTournament · View matches | 2,141 | 2,108 | -33+4 / -37 | 4W / 3L |
| Apr 24, 2011 | 2011 West Coast Spring OpenTournament · View matches | 2,167 | 2,141 | -26+0 / -26 | 4W / 2L |
| Mar 26, 2011 | Sacramento March OpenTournament · View matches | 2,172 | 2,167 | -5+8 / -13 | 5W / 2L |
| Mar 20, 2011 | ICC CA State OpenTournament · View matches | 2,157 | 2,172 | +15+33 / -18 | 5W / 2L |
| Feb 20, 2011 | 2011 Western Open on the JOOLA NA TourTournament · View matches | 2,158 | 2,157 | -1+12 / -13 | 5W / 2L |
| Nov 7, 2010 | 2010 Spin Magicians FremontTournament · View matches | 2,148 | 2,158 | +10 | 4W / 2L |
| Sep 18, 2010 | Sacramento Summer SpectacularTournament · View matches | 2,129 | 2,148 | +19+34 / -15 | 10W / 2L |
| Sep 5, 2010 | 2010 Berkeley Open on the JOOLA NA TourTournament · View matches | 2,145 | 2,129 | -16+4 / -20 | 4W / 2L |
| May 30, 2010 | Golden State OpenTournament · View matches | 2,099 | 2,145 | +46 | 16W / 3L |
| May 15, 2010 | Sacramento Spring OpenTournament · View matches | 2,059 | 2,099 | +40+45 / -5 | 10W / 2L |
| May 2, 2010 | ICC CA State OpenTournament · View matches | 2,061 | 2,059 | -2+4 / -6 | 2W / 2L |
| Feb 28, 2010 | ICC CA State OpenTournament · View matches | 2,079 | 2,061 | -18+2 / -20 | 4W / 2L |