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
Spitzer, Robert
32 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
413 tournament appearances · synced Aug 8, 2026, 2:48 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 13, 2022 | LYTTC August Open 2022Tournament · View matches | 1,611 | 1,544 | -67+0 / -67 | 1W / 4L |
| Jul 30, 2022 | Westchester July 2022 OpenTournament · View matches | 1,639 | 1,611 | -28+0 / -28 | 1W / 2L |
| Jul 24, 2022 | NYISC July 2022 OpenTournament · View matches · USATT readjusted 1,542 → 1,597 | 1,542 | 1,639 | +42+44 / -2 | 2W / 2L |
| Jun 25, 2022 | Westchester June 2022 OpenTournament · View matches | 1,597 | 1,542 | -55+0 / -55 | 2W / 2L |
| Apr 23, 2022 | Westchester April 2022 OpenTournament · View matches | 1,601 | 1,597 | -4+11 / -15 | 4W / 2L |
| Apr 10, 2022 | 2022 US Nationals - New York State Qualification TournamentTournament · View matches | 1,685 | 1,601 | -84+2 / -86 | 3W / 4L |
| Feb 26, 2022 | Westchester February 2022 OpenTournament · View matches · USATT readjusted 1,554 → 1,625 | 1,554 | 1,685 | +60+76 / -16 | 4W / 3L |
| Feb 12, 2022 | LYTTC Amergy Cup - Feb 2022Tournament · View matches | 1,555 | 1,554 | -1+7 / -8 | 4W / 2L |
| Aug 28, 2021 | Westchester August 2021 Little OpenTournament · View matches | 1,552 | 1,555 | +3+6 / -3 | 3W / 1L |
| Aug 14, 2021 | LYTTC Wellman Wu Memorial - Giant RRTournament · View matches | 1,566 | 1,552 | -14+4 / -18 | 2W / 4L |
| Jun 26, 2021 | Westchester 2021 June OpenTournament · View matches | 1,621 | 1,566 | -55+8 / -63 | 2W / 4L |
| Apr 24, 2021 | Westchester April 2021 Little OpenTournament · View matches | 1,608 | 1,621 | +13+13 / 0 | 2W / 2L |
| Apr 17, 2021 | 2021 US National TT Championships New York State QualifierTournament · View matches | 1,606 | 1,608 | +2+2 / 0 | 4W / 1L |
| Feb 20, 2021 | LYTTC Kam Man Cup Giant RRTournament · View matches | 1,627 | 1,606 | -21+1 / -22 | 1W / 5L |
| Jan 23, 2021 | Barry Dattel Memorial Open Jan 2021Tournament · View matches | 1,584 | 1,627 | +43+50 / -7 | 3W / 4L |
| Oct 24, 2020 | Westchester October 2020 Little OpenTournament · View matches | 1,536 | 1,584 | +48+50 / -2 | 2W / 2L |
| Oct 17, 2020 | LYTTC October Giant RRTournament · View matches | 1,580 | 1,536 | -44+0 / -44 | 1W / 6L |
| Oct 3, 2020 | MBC Table Tennis Fall Classic 2020Tournament · View matches | 1,597 | 1,580 | -17+0 / -17 | 3W / 2L |
| Sep 19, 2020 | LYTTC Giant RR September OpenTournament · View matches | 1,610 | 1,597 | -13+48 / -61 | 4W / 4L |
| Feb 22, 2020 | Westchester February 2020 OpenTournament · View matches | 1,640 | 1,610 | -30+0 / -30 | 1W / 2L |