Wins
150
Indexed tournament wins
Player record
Ronald Arellano
Losses
100
Indexed tournament losses
Matches
250
Decisive results
Win rate
60.0%
Across indexed matches
Peak rating
2,116
Highest rating in the available history.
Biggest upset
Basir Sabeti
2010 US Nationals · Dec 18, 2010 · +230 rating
Open →Biggest loss
William Chen
Laguna Hills High School Open · Feb 28, 2015 · -403 rating
Open →Most frequent opponent
Chiyako Suzuki
5 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
37 tournament appearances · synced Aug 25, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 5, 2015 | Magic Spin OpenTournament · View matches | 1,998 | 1,968 | -30+0 / -30 | 3W / 1L |
| Jun 28, 2015 | LATTA June Open 2015Tournament · View matches | 2,006 | 1,998 | -8+5 / -13 | 2W / 1L |
| May 30, 2015 | LATTA OpenTournament · View matches | 2,008 | 2,006 | -2+4 / -6 | 4W / 1L |
| Apr 19, 2015 | LATTA OpenTournament · View matches | 2,012 | 2,012 | 0+21 / -21 | 6W / 3L |
| Mar 21, 2015 | LATTA Thanh Banh Memorial OpenTournament · View matches | 2,059 | 2,012 | -47+2 / -49 | 3W / 2L |
| Feb 28, 2015 | Laguna Hills High School OpenTournament · View matches | 2,088 | 2,059 | -29 | 1W / 3L |
| Feb 15, 2015 | Magic Spin Lunar New Year OpenTournament · View matches | 2,093 | 2,088 | -5+0 / -5 | 0W / 2L |
| Jun 29, 2014 | Westchester 2014 June OpenTournament · View matches | 2,088 | 2,093 | +5+21 / -16 | 7W / 2L |
| Apr 19, 2014 | LATTA OpenTournament · View matches | 2,081 | 2,088 | +7+7 / 0 | 4W / 1L |
| Mar 29, 2014 | LATTA OpenTournament · View matches | 2,037 | 2,081 | +44+51 / -7 | 5W / 3L |
| Mar 1, 2014 | Laguna Hills High School OpenTournament · View matches · USATT readjusted 2,056 → 2,057 | 2,056 | 2,037 | -20+5 / -25 | 3W / 2L |
| Feb 22, 2014 | LATTA OpenTournament · View matches | 2,069 | 2,056 | -13 | 5W / 4L |
| Jul 6, 2013 | US OpenTournament · View matches | 2,083 | 2,069 | -14+1 / -15 | 4W / 2L |
| Apr 28, 2013 | Wing Hop Fung Washington Cup OpenTournament · View matches | 2,066 | 2,083 | +17+25 / -8 | 4W / 2L |
| Feb 2, 2013 | LATTA OpenTournament · View matches | 2,083 | 2,066 | -17+1 / -18 | 2W / 2L |
| Dec 22, 2012 | 2012 U.S. NationalsTournament · View matches | 2,104 | 2,083 | -21 | 6W / 3L |
| Dec 2, 2012 | LATTA OpenTournament · View matches | 2,074 | 2,104 | +30+37 / -7 | 2W / 3L |
| Sep 2, 2012 | 2012 LA Open Butterfly Table Tennis TournamentTournament · View matches | 2,083 | 2,074 | -9+2 / -11 | 2W / 3L |
| Mar 4, 2012 | 2012 Northridge OpenTournament · View matches | 2,055 | 2,083 | +28+32 / -4 | 6W / 3L |
| Feb 19, 2012 | 2012 Western Open on JOOLA North America TourTournament · View matches | 2,110 | 2,055 | -55+7 / -62 | 3W / 3L |
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