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 |
|---|---|---|---|---|---|
| Jul 23, 2022 | Gold Coast TTC July 2022Tournament · View matches | 1,634 | 1,691 | +57+100 / -43 | 4W / 7L |
| Feb 26, 2022 | Westchester February 2022 OpenTournament · View matches | 1,649 | 1,634 | -15+7 / -22 | 1W / 7L |
| Feb 12, 2022 | MDTTC February OpenTournament · View matches | 1,705 | 1,649 | -56+4 / -60 | 4W / 12L |
| Jan 29, 2022 | 2022 Butterfly Teams TournamentTournament · View matches | 1,698 | 1,705 | +7+23 / -16 | 6W / 6L |
| Dec 17, 2021 | 2021 U.S. Open Table Tennis ChampionshipsTournament · View matches | 1,720 | 1,698 | -22+35 / -57 | 6W / 11L |
| Nov 26, 2021 | 2021 Joola North American TeamTournament · View matches · USATT readjusted 1,574 → 1,663 | 1,574 | 1,720 | +57+90 / -33 | 12W / 9L |
| Nov 20, 2021 | Westchester 2021 November OpenTournament · View matches | 1,630 | 1,574 | -56+0 / -56 | 2W / 2L |
| Oct 30, 2021 | Westchester 2021 October OpenTournament · View matches | 1,717 | 1,630 | -87+8 / -95 | 2W / 9L |
| Sep 25, 2021 | Westchester 2021 September OpenTournament · View matches | 1,745 | 1,717 | -28 | 1W / 8L |
| Sep 18, 2021 | LYTTC Giant RR - September 2021Tournament · View matches | 1,712 | 1,745 | +33+57 / -24 | 5W / 7L |
| Aug 7, 2021 | 2021 August Open @ Princeton PongTournament · View matches | 1,695 | 1,712 | +17+19 / -2 | 5W / 5L |
| Jul 24, 2021 | Westchester 2021 July OpenTournament · View matches | 1,678 | 1,695 | +17+27 / -10 | 4W / 4L |
| Jun 26, 2021 | Westchester 2021 June OpenTournament · View matches | 1,710 | 1,678 | -32+5 / -37 | 3W / 10L |
| Feb 22, 2020 | Westchester February 2020 OpenTournament · View matches | 1,717 | 1,710 | -7+8 / -15 | 3W / 7L |
| Jan 25, 2020 | Westchester January 2020 OpenTournament · View matches · USATT readjusted 1,564 → 1,660 | 1,564 | 1,717 | +57+85 / -28 | 7W / 10L |
| Dec 28, 2019 | Westchester December 2019 OpenTournament · View matches | 1,691 | 1,564 | -127+0 / -127 | 0W / 5L |
| Nov 29, 2019 | 2019 JOOLA North American TeamsTournament · View matches | 1,605 | 1,691 | +86 | 8W / 10L |
| Oct 26, 2019 | Westchester October 2019 OpenTournament · View matches | 1,684 | 1,605 | -79+0 / -79 | 0W / 9L |
| May 25, 2019 | Westchester May 2019 OpenTournament · View matches | 1,687 | 1,684 | -3+0 / -3 | 0W / 6L |
| Apr 27, 2019 | Westchester April 2019 OpenTournament · View matches | 1,654 | 1,687 | +33+49 / -16 | 6W / 8L |