Wins
216
Indexed tournament wins
Player record
Kazuyuki Yokoyama
Losses
171
Indexed tournament losses
Matches
387
Decisive results
Win rate
55.8%
Across indexed matches
Peak rating
2,563
Highest rating in the available history.
Biggest upset
Sharon Yaniv
2006 N. American Teams Open Championship · Nov 26, 2006 · +511 rating
Open →Biggest loss
Santo Vasquez
US Teams · Nov 27, 1994 · -395 rating
Open →Most frequent opponent
Xavier Therien
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
65 tournament appearances · synced Aug 27, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 26, 2013 | Westchester 2013 May OpenTournament · View matches | 2,366 | 2,378 | +12+21 / -9 | 6W / 3L |
| Nov 25, 2012 | 2012 JOOLA N. American Teams OTournament · View matches | 2,370 | 2,366 | -4+0 / -4 | 0W / 2L |
| Nov 18, 2012 | NJTTC 2012 November OpenTournament · View matches | 2,364 | 2,370 | +6+7 / -1 | 4W / 1L |
| Nov 11, 2012 | Westchester 2012 November OpenTournament · View matches | 2,427 | 2,364 | -63+2 / -65 | 4W / 3L |
| Nov 27, 2011 | 2011 JOOLA N. American Teams OTournament · View matches | 2,447 | 2,427 | -20+2 / -22 | 1W / 3L |
| Sep 4, 2011 | LA Open TT Tournament 2011Tournament · View matches | 2,478 | 2,447 | -31+0 / -31 | 4W / 2L |
| May 29, 2011 | 2011 Eastern Open on the JOOLA NA TourTournament · View matches | 2,504 | 2,478 | -26+20 / -46 | 1W / 2L |
| Nov 28, 2010 | 2010 JOOLA N. American TeamsTournament · View matches | 2,502 | 2,504 | +2+8 / -6 | 4W / 1L |
| May 23, 2010 | 2010 Eastern Open on the JOOLA NA TourTournament · View matches | 2,510 | 2,502 | -8+2 / -10 | 2W / 2L |
| Apr 11, 2010 | AYTTO 2010 New York City OpenTournament · View matches | 2,508 | 2,510 | +2+10 / -8 | 2W / 2L |
| Mar 28, 2010 | 12th FIT Open TT ChampionshipsTournament · View matches | 2,514 | 2,508 | -6+1 / -7 | 4W / 1L |
| Nov 29, 2009 | 2009 JOOLA N. American Teams OTournament · View matches · USATT readjusted 2,445 → 2,495 | 2,445 | 2,514 | +19+36 / -17 | 8W / 5L |
| May 31, 2009 | 2009 Eastern OpenTournament · View matches | 2,409 | 2,445 | +36+41 / -5 | 2W / 2L |
| May 24, 2009 | 2009 SpinathonTournament · View matches | 2,412 | 2,409 | -3+3 / -6 | 5W / 2L |
| Apr 12, 2009 | New York City Open Presented byTournament · View matches | 2,418 | 2,412 | -6+0 / -6 | 3W / 1L |
| Nov 30, 2008 | 2008 JOOLA American Teams OpenTournament · View matches | 2,476 | 2,418 | -58+7 / -65 | 3W / 4L |
| Aug 10, 2008 | 2008 Aliana Open ChampionshipsTournament · View matches | 2,501 | 2,476 | -25+0 / -25 | 0W / 1L |
| May 25, 2008 | Eastern Open on the 2008 JOOLATournament · View matches | 2,509 | 2,501 | -8+0 / -8 | 1W / 2L |
| Mar 30, 2008 | 8th FIT Open TT ChampionshipsTournament · View matches | 2,514 | 2,509 | -5+0 / -5 | 3W / 1L |
| Nov 25, 2007 | 2007 JOOLA N. American Teams OTournament · View matches | 2,550 | 2,514 | -36 | 6W / 6L |