Wins
302
Indexed tournament wins
Player record
Zack Guido
Losses
379
Indexed tournament losses
Matches
681
Decisive results
Win rate
44.3%
Across indexed matches
Peak rating
1,899
Highest rating in the available history.
Biggest upset
Stanley Hsu
Westchester 2017 May Open · May 27, 2017 · +544 rating
Open →Biggest loss
Christopher Wong
Westchester October 2019 Open · Oct 26, 2019 · -762 rating
Open →Most frequent opponent
Fahimi, Darius
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
62 tournament appearances · synced Aug 9, 2026, 8:52 PM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 14, 2019 | NYISC April 14, 2019 OpenTournament · View matches | 1,666 | 1,654 | -12+11 / -23 | 4W / 5L |
| Mar 30, 2019 | Westchester March 2019 OpenTournament · View matches | 1,682 | 1,666 | -16+3 / -19 | 4W / 3L |
| Nov 23, 2018 | JOOLA North American TeamsTournament · View matches | 1,618 | 1,682 | +64+95 / -31 | 7W / 13L |
| Nov 17, 2018 | Westchester November 2018 OpenTournament · View matches · USATT readjusted 1,436 → 1,601 | 1,436 | 1,618 | +17+46 / -29 | 5W / 4L |
| Oct 27, 2018 | Westchester October 2018 OpenTournament · View matches | 1,378 | 1,436 | +58+61 / -3 | 3W / 4L |
| Aug 25, 2018 | Westchester August 2018 OpenTournament · View matches | 1,360 | 1,378 | +18+34 / -16 | 6W / 6L |
| Aug 4, 2018 | Princeton Pong August OpenTournament · View matches | 1,337 | 1,360 | +23+75 / -52 | 4W / 6L |
| Jul 28, 2018 | Westchester July 2018 OpenTournament · View matches | 1,367 | 1,337 | -30+28 / -58 | 8W / 6L |
| Jul 7, 2018 | Princeton Pong July OpenTournament · View matches | 1,411 | 1,367 | -44+0 / -44 | 1W / 5L |
| Jun 23, 2018 | Westchester June 2018 OpenTournament · View matches | 1,399 | 1,411 | +12+21 / -9 | 8W / 4L |
| Apr 28, 2018 | Westchester April 2018 OpenTournament · View matches | 1,393 | 1,399 | +6+16 / -10 | 3W / 4L |
| Jan 27, 2018 | Westchester 2018Tournament · View matches | 1,389 | 1,393 | +4+8 / -4 | 1W / 2L |
| Dec 29, 2017 | Westchester 2017 December OpenTournament · View matches | 1,452 | 1,389 | -63+2 / -65 | 4W / 4L |
| Nov 24, 2017 | 20th Annual North American Team Championship Powered By JOOLATournament · View matches | 1,363 | 1,452 | +89+120 / -31 | 8W / 11L |
| Oct 28, 2017 | Westchester 2017 October OpenTournament · View matches | 1,395 | 1,363 | -32+13 / -45 | 2W / 4L |
| Aug 26, 2017 | Westchester 2017 August OpenTournament · View matches · USATT readjusted 1,203 → 1,362 | 1,203 | 1,395 | +33+56 / -23 | 8W / 2L |
| Jul 29, 2017 | Westchester 2017 July OpenTournament · View matches | 1,264 | 1,203 | -61 | 3W / 8L |
| Jun 25, 2017 | Westchester 2017 June OpenTournament · View matches | 1,294 | 1,264 | -30+39 / -69 | 7W / 6L |
| May 27, 2017 | Westchester 2017 May OpenTournament · View matches · USATT readjusted 1,147 → 1,176 | 1,147 | 1,294 | +118+148 / -30 | 6W / 6L |
| Apr 29, 2017 | Westchester 2017 April OpenTournament · View matches · USATT readjusted 1,022 → 1,122 | 1,022 | 1,147 | +25+113 / -88 | 10W / 4L |