Wins
68
Indexed tournament wins
Player record
Jaroska, Jon
Losses
42
Indexed tournament losses
Matches
110
Decisive results
Win rate
61.8%
Across indexed matches
Peak rating
1,551
Highest rating in the available history.
Biggest upset
Grandalski, Joe
$3000 Presper Financial Architects Open · Feb 15, 2019 · +362 rating
Open →Biggest loss
Tan, Ze Hau
$3000 Presper Financial Architects Open · Feb 7, 2020 · -651 rating
Open →Most frequent opponent
Stengert, Enrico
5 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
5 tournament appearances · synced Aug 12, 2026, 2:22 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 7, 2020 | $3000 Presper Financial Architects OpenTournament · View matches | 1,490 | 1,551 | +61+144 / -83 | 19W / 17L |
| Nov 8, 2019 | Nittaku Ohio OpenTournament · View matches | 1,472 | 1,490 | +18+72 / -54 | 14W / 5L |
| Sep 13, 2019 | $3000 Presper Financial Architects OpenTournament · View matches | 1,508 | 1,472 | -36+73 / -109 | 16W / 15L |
| Feb 15, 2019 | $3000 Presper Financial Architects OpenTournament · View matches · USATT readjusted 1,124 → 1,506 | 1,124 | 1,508 | +2+29 / -27 | 14W / 2L |
| Nov 19, 2016 | Pittsburgh Amateur Ping Pong FestivalTournament · View matches · Initial rating 1,124 | Unrated | 1,124 | — | 5W / 3L |
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