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 10, 2026, 9:14 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 12, 2004 | NJTTC December OpenTournament · View matches | 1,994 | 2,010 | +16+21 / -5 | 5W / 2L |
| Nov 28, 2004 | 2004 N. American Teams Open TTTournament · View matches | 1,812 | 1,994 | +182 | 6W / 4L |
| Nov 21, 2004 | 2004 Brooklyn November OpenTournament · View matches | 1,852 | 1,812 | -40+16 / -56 | 1W / 3L |
| Nov 21, 2004 | FIT Open TT ChampionshipsTournament · View matches | 1,840 | 1,852 | +12+23 / -11 | 5W / 3L |
| Nov 14, 2004 | NJTTC November OpenTournament · View matches | 1,825 | 1,840 | +15+24 / -9 | 4W / 3L |
| Oct 31, 2004 | Princeton Open TT TournamentTournament · View matches | 1,816 | 1,825 | +9+21 / -12 | 4W / 3L |
| Oct 10, 2004 | NJTTC October OpenTournament · View matches | 1,878 | 1,816 | -62+17 / -79 | 11W / 6L |
| Oct 3, 2004 | NATT October Open At NYTTFTournament · View matches | 1,834 | 1,878 | +44+45 / -1 | 2W / 1L |
| Sep 19, 2004 | 2004 Brooklyn September OpenTournament · View matches | 1,797 | 1,834 | +37+41 / -4 | 2W / 2L |
| Sep 12, 2004 | NJTTC September OpenTournament · View matches | 1,794 | 1,797 | +3+30 / -27 | 1W / 4L |
| Sep 5, 2004 | 3rd CCBA CupTournament · View matches | 1,796 | 1,794 | -2+2 / -4 | 2W / 2L |
| Jul 18, 2004 | Brooklyn July OpenTournament · View matches | 1,791 | 1,796 | +5+6 / -1 | 2W / 2L |
| Jul 4, 2004 | US OpenTournament · View matches | 1,789 | 1,791 | +2+8 / -6 | 4W / 6L |
| Jun 27, 2004 | 2nd Annual NYC 2004 OpenTournament · View matches | 1,856 | 1,789 | -67 | 2W / 6L |
| Jun 13, 2004 | Stiga Open on the 2004 Stiga NA TourTournament · View matches | 1,858 | 1,856 | -2+15 / -17 | 9W / 6L |
| May 30, 2004 | Brooklyn May OpenTournament · View matches | 1,844 | 1,858 | +14+18 / -4 | 2W / 2L |
| May 16, 2004 | Spring Classic Singles & Dbls Tournament · View matches | 1,836 | 1,844 | +8+8 / 0 | 2W / 4L |
| May 2, 2004 | 5th Garden State OpenTournament · View matches | 1,856 | 1,836 | -20+16 / -36 | 6W / 6L |
| Apr 25, 2004 | NJTTC April Open IITournament · View matches | 1,909 | 1,856 | -53+1 / -54 | 2W / 4L |
| Mar 28, 2004 | 2004 Meiklejohn Quaker City OpenTournament · View matches · USATT readjusted 1,778 → 1,886 | 1,778 | 1,909 | +23+43 / -20 | 8W / 5L |