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 7, 2026, 8:47 PM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 30, 2026 | Westchester MAY 2026 OpenTournament · View matches | 1,366 | 1,364 | -2+0 / -2 | 0W / 3L |
| May 16, 2026 | 2026 USATT Northeast Regional ChampionshipsRegional Championship · View matches | 1,316 | 1,366 | +50+50 / 0 | 1W / 2L |
| Mar 14, 2026 | LYTTC March Open 2026Other Sanctioned Tournaments · View matches | 1,327 | 1,316 | -11+0 / -11 | 0W / 3L |
| Feb 7, 2026 | Barry Dattel Memorial Open Feb 2026Other Sanctioned Tournaments · View matches | 1,325 | 1,327 | +2+5 / -3 | 1W / 2L |
| Aug 16, 2025 | NYISC Butterfly August Open 2025Tournament · View matches | 1,362 | 1,325 | -37+13 / -50 | 2W / 1L |
| Jul 12, 2025 | LYTTC July Open 2025Tournament · View matches | 1,374 | 1,362 | -12+0 / -12 | 0W / 3L |
| Nov 9, 2024 | LYTTC November Open 2024Tournament · View matches | 1,423 | 1,374 | -49+2 / -51 | 1W / 2L |
| Jul 27, 2024 | Westchester 2024 July OpenTournament · View matches | 1,429 | 1,423 | -6+1 / -7 | 1W / 2L |
| Jun 29, 2024 | Westchester 2024 June OpenTournament · View matches | 1,431 | 1,429 | -2+0 / -2 | 0W / 2L |
| Jun 15, 2024 | 2024 USATT Northeast Regional ChampionshipsTournament · View matches | 1,460 | 1,431 | -29+0 / -29 | 2W / 3L |
| Apr 13, 2024 | LYTTC April Open 2024Tournament · View matches | 1,540 | 1,460 | -80+5 / -85 | 1W / 3L |
| Mar 2, 2024 | NYISC March 2024 OpenTournament · View matches | 1,565 | 1,540 | -25+0 / -25 | 1W / 2L |
| Feb 24, 2024 | Westchester 2024 February OpenTournament · View matches | 1,528 | 1,565 | +37+49 / -12 | 4W / 2L |
| Feb 10, 2024 | LYTTC Farmer's Insurance Open Feb 2024Tournament · View matches | 1,578 | 1,528 | -50+9 / -59 | 4W / 4L |
| Jul 29, 2023 | Westchester July 2023 OpenTournament · View matches | 1,641 | 1,578 | -63+0 / -63 | 0W / 3L |
| Apr 29, 2023 | Westchester April 2023 OpenTournament · View matches | 1,663 | 1,641 | -22+13 / -35 | 3W / 1L |
| Apr 16, 2023 | 2023 USATT New York State ChampionshipsTournament · View matches | 1,637 | 1,663 | +26+41 / -15 | 3W / 3L |
| Jan 28, 2023 | Westchester January 2023 OpenTournament · View matches | 1,543 | 1,637 | +94 | 4W / 2L |
| Jan 14, 2023 | LYTTC Barry Dattel Memorial 2023Tournament · View matches | 1,547 | 1,543 | -4+6 / -10 | 3W / 2L |
| Oct 23, 2022 | Gold Coast TTC October 2022 OpenTournament · View matches | 1,544 | 1,547 | +3+4 / -1 | 1W / 2L |
1–20 of 413
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