Player record

Guo, Sylvan

ID 30709CAFemaleInactive
Current rating2,150
Back to ratingsCompare player

Wins

254

Indexed tournament wins

Losses

185

Indexed tournament losses

Matches

439

Decisive results

Win rate

57.9%

Across indexed matches

Peak rating

2,213

Highest rating in the available history.

Biggest upset

David Chow

California Open on the 2004 St · Feb 29, 2004 · +589 rating

Open →

Biggest loss

Starkey, Marius

San Francisco Summer Open · Aug 21, 2005 · -373 rating

Open →

Most frequent opponent

Lily Zhang

13 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

42 tournament appearances · synced Aug 8, 2026, 2:14 AM

DateTournamentRating inRating afterPoints changedRecord
Sep 6, 2009Berkeley Open on the JOOLA NA Tournament · View matches2,1432,150+7+22 / -157W / 3L
Mar 1, 2009ICC California State OpenTournament · View matches2,1762,143-33+2 / -353W / 4L
Feb 22, 2009Western Open on the JOOLA NA TourTournament · View matches2,1522,176+24+30 / -64W / 2L
Dec 20, 2008USATT Nationals ChampionshipsTournament · View matches2,1772,152-25+9 / -346W / 5L
Dec 6, 2008ICC California State OpenTournament · View matches2,1652,177+12+16 / -43W / 2L
Nov 8, 2008Sacramento Fall "Fun For All" Tournament · View matches2,1622,165+3+5 / -21W / 2L
Aug 31, 20082008 Life West OpenTournament · View matches2,2012,162-396W / 5L
Jul 5, 2008U.S. OpenTournament · View matches2,2132,201-122W / 2L
Jul 3, 2008North American ChampionshipsTournament · View matches · USATT readjusted 2,109 → 2,1732,1092,213+40+42 / -25W / 1L
Jun 29, 2008Newgy US Open Warm-UpTournament · View matches2,0792,109+309W / 4L
May 25, 2008Golden State OpenTournament · View matches2,0712,079+8+42 / -347W / 5L
Mar 22, 20082008 Western OpenTournament · View matches2,0702,071+1+13 / -125W / 5L
Mar 1, 2008Sacramento Winter OpenTournament · View matches2,0642,070+6+20 / -143W / 3L
Dec 22, 2007USA National Table Tennis ChamTournament · View matches2,1892,064-1259W / 9L
Oct 21, 20072007 JOOLA North American TourTournament · View matches · USATT readjusted 2,023 → 2,1702,0232,189+19+30 / -115W / 3L
Aug 25, 2007Sacramento Summer OpenTournament · View matches2,0482,023-2513W / 4L
Aug 19, 2007San Francisco Summer OpenTournament · View matches · USATT readjusted 1,888 → 2,0251,8882,048+23+55 / -3214W / 5L
May 27, 2007Golden State OpenTournament · View matches1,8861,888+2+6 / -42W / 6L
Apr 15, 2007Butterfly Northern CA Spring OTournament · View matches1,8571,886+29+38 / -94W / 4L
Feb 24, 2007Sacramento Winter OpenTournament · View matches1,8551,857+25W / 3L