Wins
1,836
Indexed tournament wins
Player record
Mark Berg
Losses
1,484
Indexed tournament losses
Matches
3,320
Decisive results
Win rate
55.3%
Across indexed matches
Peak rating
2,037
Highest rating in the available history.
Biggest upset
Wai M. Wong
2026 USATT Northeast Regional Championships · May 16, 2026 · +576 rating
Open →Biggest loss
Kastner, Frankz
NYTTF October Open · Oct 5, 2008 · -1189 rating
Open →Most frequent opponent
Robert Spitzer
32 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
413 tournament appearances · synced Aug 9, 2026, 3:47 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 27, 2012 | Connecticut OpenTournament · View matches | 1,811 | 1,852 | +41+74 / -33 | 4W / 8L |
| May 20, 2012 | NJTTC 2012 May OpenTournament · View matches | 1,782 | 1,811 | +29+53 / -24 | 3W / 3L |
| Apr 29, 2012 | April Westchester Table Tennis OpenTournament · View matches | 1,779 | 1,782 | +3+8 / -5 | 2W / 2L |
| Apr 22, 2012 | NJTTC 2012 April OpenTournament · View matches | 1,826 | 1,779 | -47 | 4W / 3L |
| Apr 8, 2012 | Club JOOLA Spring OpenTournament · View matches | 1,874 | 1,826 | -48+3 / -51 | 5W / 4L |
| Mar 25, 2012 | March Westchester Table Tennis OpenTournament · View matches | 1,885 | 1,874 | -11+6 / -17 | 7W / 3L |
| Feb 26, 2012 | February Westchester Table Tennis OpenTournament · View matches | 1,865 | 1,885 | +20 | 6W / 4L |
| Jan 29, 2012 | NYTT January 2012 OpenTournament · View matches | 1,860 | 1,865 | +5+28 / -23 | 4W / 6L |
| Jan 22, 2012 | January Westchester Table Tennis OpenTournament · View matches | 1,834 | 1,860 | +26+28 / -2 | 3W / 4L |
| Jan 8, 2012 | Robopong January 2012 BTTC OpenTournament · View matches | 1,823 | 1,834 | +11+21 / -10 | 3W / 1L |
| Dec 17, 2011 | 2011 US NationalsTournament · View matches | 1,815 | 1,823 | +8 | 7W / 10L |
| Dec 11, 2011 | LYTTC December OpenTournament · View matches | 1,829 | 1,815 | -14+2 / -16 | 6W / 3L |
| Dec 4, 2011 | NJTTC 2011 December OpenTournament · View matches | 1,852 | 1,829 | -23+3 / -26 | 2W / 3L |
| Nov 27, 2011 | 2011 JOOLA N. American Teams OTournament · View matches | 1,903 | 1,852 | -51 | 1W / 14L |
| Nov 12, 2011 | P&W Aircraft TT Club November 2011 OpenTournament · View matches · USATT readjusted 1,813 → 1,866 | 1,813 | 1,903 | +37+48 / -11 | 3W / 3L |
| Oct 30, 2011 | Trolley Car TT Club Philly OpenTournament · View matches | 1,862 | 1,813 | -49+17 / -66 | 6W / 3L |
| Oct 23, 2011 | NJTTC 2011 October OpenTournament · View matches | 1,853 | 1,862 | +9+18 / -9 | 5W / 2L |
| Oct 16, 2011 | 2011 DSP Cup/NYTTF Open SeriesTournament · View matches · USATT readjusted 1,876 → 1,878 | 1,876 | 1,853 | -25+4 / -29 | 5W / 3L |
| Oct 9, 2011 | Westchester Table Tennis OpenTournament · View matches | 1,878 | 1,876 | -2+5 / -7 | 2W / 3L |
| Sep 25, 2011 | LYTTC September OpenTournament · View matches | 1,865 | 1,878 | +13+94 / -81 | 8W / 6L |