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
Frankz Kastner
NYTTF October Open · Oct 5, 2008 · -1189 rating
Open →Most frequent opponent
Spitzer, Robert
32 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
413 tournament appearances · synced Aug 8, 2026, 3:02 PM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jan 19, 2020 | AACCT JAN 2020 Open/NYTTOTournament · View matches | 1,639 | 1,640 | +1+1 / 0 | 4W / 0L |
| Dec 10, 2019 | AACCT DEC 2019 Open/NYTTOTournament · View matches | 1,640 | 1,639 | -1+0 / -1 | 3W / 1L |
| Nov 17, 2019 | AACCT NOV 2019 Open/NYTTO Tournament · View matches | 1,621 | 1,640 | +19+19 / 0 | 5W / 0L |
| Nov 3, 2019 | NYITTC Nov. 3, 2019 OpenTournament · View matches | 1,654 | 1,621 | -33+25 / -58 | 4W / 2L |
| Oct 26, 2019 | Westchester October 2019 OpenTournament · View matches · USATT readjusted 1,554 → 1,604 | 1,554 | 1,654 | +50+50 / 0 | 1W / 2L |
| Oct 6, 2019 | NYITTC 10-6-19 tournamentTournament · View matches | 1,531 | 1,554 | +23+25 / -2 | 3W / 1L |
| Sep 15, 2019 | AACCT SEP 2019 Open/Ping Pongism SeriesTournament · View matches | 1,588 | 1,531 | -57+0 / -57 | 1W / 2L |
| Aug 4, 2019 | NYITTC August 4, 2019Tournament · View matches | 1,593 | 1,588 | -5+2 / -7 | 2W / 2L |
| Jul 27, 2019 | 2019 SPTTC JULY OPENTournament · View matches | 1,606 | 1,593 | -13+5 / -18 | 4W / 4L |
| Jul 14, 2019 | NYITTC July 14, 2019Tournament · View matches | 1,608 | 1,606 | -2+0 / -2 | 3W / 1L |
| Jun 29, 2019 | Westchester June 2019Tournament · View matches | 1,588 | 1,608 | +20+42 / -22 | 4W / 4L |
| Jun 22, 2019 | Topspin Huaxia Cup 2019Tournament · View matches | 1,619 | 1,588 | -31+4 / -35 | 3W / 1L |
| Jun 16, 2019 | AACCT/Ping Pongism Series May 2019 OpenTournament · View matches | 1,649 | 1,619 | -30+20 / -50 | 1W / 2L |
| May 5, 2019 | NYITTC May 5, 2019 OpenTournament · View matches | 1,639 | 1,649 | +10+26 / -16 | 4W / 4L |
| Apr 27, 2019 | Westchester April 2019 OpenTournament · View matches | 1,641 | 1,639 | -2+14 / -16 | 6W / 4L |
| Mar 4, 2019 | NJTTC March OpenTournament · View matches | 1,665 | 1,641 | -24+5 / -29 | 4W / 2L |
| Feb 15, 2019 | Butterfly February 2019 BTTC OpenTournament · View matches | 1,641 | 1,665 | +24+25 / -1 | 5W / 1L |
| Jan 6, 2019 | NYITTC OpenTournament · View matches | 1,735 | 1,641 | -94+1 / -95 | 1W / 3L |
| Dec 29, 2018 | Westchester December 2018 OpenTournament · View matches | 1,831 | 1,735 | -96+5 / -101 | 2W / 5L |
| Dec 9, 2018 | AACCT/Ping Pongism Series DECEMBER 2018 OpenTournament · View matches | 1,887 | 1,831 | -56+1 / -57 | 1W / 2L |