Wins
239
Indexed tournament wins
Player record
Jon Hiratsuka
Losses
191
Indexed tournament losses
Matches
430
Decisive results
Win rate
55.6%
Across indexed matches
Peak rating
1,534
Highest rating in the available history.
Biggest upset
Lozitskiy, Igor
2012 Potomac Fall Open · Nov 11, 2012 · +352 rating
Open →Most frequent opponent
Beaulieu, Alexander
5 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
58 tournament appearances · synced Aug 7, 2026, 8:48 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jul 11, 2026 | WDCTT July Giant Round Robin 2026Tournament · View matches | 1,204 | 1,080 | -124+4 / -128 | 3W / 6L |
| Aug 23, 2025 | MDTTC August OpenTournament · View matches | 1,222 | 1,204 | -18+2 / -20 | 3W / 1L |
| Jan 18, 2025 | Newton TTC 2025 January OpenTournament · View matches | 1,276 | 1,222 | -54+0 / -54 | 2W / 2L |
| Jan 21, 2024 | Boston Pod Tournament - January 2024 OpenTournament · View matches | 1,329 | 1,276 | -53 | 1W / 2L |
| Nov 29, 2019 | 2019 JOOLA North American TeamsTournament · View matches | 1,320 | 1,329 | +9+31 / -22 | 4W / 6L |
| Aug 10, 2019 | 2019 MDTTC August OpenTournament · View matches | 1,314 | 1,320 | +6+7 / -1 | 3W / 4L |
| Jun 8, 2019 | 2019 Maryland State ChampionshipsTournament · View matches | 1,330 | 1,314 | -16+1 / -17 | 2W / 4L |
| Mar 28, 2019 | 2019 XIOM Cary CupTournament · View matches | 1,297 | 1,330 | +33+62 / -29 | 6W / 11L |
| Feb 9, 2019 | 2019 MDTTC February OpenTournament · View matches | 1,298 | 1,297 | -1+7 / -8 | 6W / 2L |
| Jun 16, 2018 | 2018 Virginia State ChampionshipsTournament · View matches | 1,396 | 1,298 | -98+2 / -100 | 3W / 5L |
| Mar 29, 2018 | 2018 Butterfly Cary Cup OpenTournament · View matches | 1,451 | 1,396 | -55+14 / -69 | 6W / 9L |
| Feb 10, 2018 | 2018 Butterfly MDTTC February OpenTournament · View matches | 1,450 | 1,451 | +1+16 / -15 | 3W / 4L |
| Dec 9, 2017 | 2017 Butterfly WDCTT December OpenTournament · View matches | 1,473 | 1,450 | -23+3 / -26 | 3W / 5L |
| Mar 30, 2017 | Butterfly Cary CupTournament · View matches | 1,455 | 1,473 | +18+118 / -100 | 9W / 9L |
| Nov 12, 2016 | Potomac 2016 Fall OpenTournament · View matches | 1,456 | 1,455 | -1+17 / -18 | 3W / 5L |
| Jun 4, 2016 | 2016 Virginia State ChampionshipsTournament · View matches | 1,429 | 1,456 | +27+34 / -7 | 5W / 2L |
| May 21, 2016 | Potomac 2016 Spring OpenTournament · View matches | 1,417 | 1,429 | +12+20 / -8 | 3W / 4L |
| Nov 29, 2015 | 2015 JOOLA North American Teams ChampionshipsTournament · View matches | 1,420 | 1,417 | -3+2 / -5 | 8W / 5L |
| Nov 15, 2015 | Potomac 2015 Fall OpenTournament · View matches · USATT readjusted 1,328 → 1,387 | 1,328 | 1,420 | +33+33 / 0 | 6W / 2L |
| Nov 1, 2015 | 2015 Xiom Fall OpenTournament · View matches | 1,335 | 1,328 | -7+19 / -26 | 3W / 4L |
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