Player record

Jonathan Lau

ID 72378CAMaleInactive

Jonathan Lau's USATT rating is 958.

USATT rating958
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Wins

47

Indexed tournament wins

Losses

59

Indexed tournament losses

Matches

106

Decisive results

Win rate

44.3%

Across indexed matches

Peak rating

1,065

Highest rating in the available history.

Biggest upset

Vivian Sun

2007 JOOLA North American Tour · Oct 21, 2007 · +438 rating

Open →

Biggest loss

Kunal Chodri

Concord Cup Youth Tournament · Oct 28, 2007 · -459 rating

Open →

Most frequent opponent

Vivian Sun

4 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

15 tournament appearances · synced Aug 26, 2026, 2:27 AM

DateTournamentRating inRating afterPoints changedRecord
Sep 6, 2009Berkeley Open on the JOOLA NA Tournament · View matches1,008958-503W / 3L
Jul 5, 2008U.S. OpenTournament · View matches9851,008+235W / 3L
Mar 22, 20082008 Western OpenTournament · View matches1,000985-15+0 / -153W / 5L
Oct 28, 2007Concord Cup Youth TournamentTournament · View matches1,0651,000-653W / 4L
Oct 21, 20072007 JOOLA North American TourTournament · View matches7371,065+3289W / 1L
Sep 16, 20072007 Berkeley OpenTournament · View matches707737+30+30 / 04W / 2L
May 27, 2007Golden State OpenTournament · View matches708707-1+1 / -22W / 3L
Apr 15, 2007Butterfly Northern CA Spring OTournament · View matches751708-43+0 / -430W / 3L
Feb 18, 2007Western OpenTournament · View matches711751+401W / 4L
Feb 11, 2007Lunar New Year's OpenTournament · View matches713711-2+0 / -20W / 3L
Dec 10, 2006Nationals Warm-Up TourneyTournament · View matches720713-7+2 / -93W / 3L
Nov 5, 2006Concord Cup Youth OpenTournament · View matches725720-5+1 / -64W / 4L
Oct 28, 2006Sacramento Fall OpenTournament · View matches656725+69+110 / -418W / 6L
Oct 22, 20062006 Stiga NA Tour FinalsTournament · View matches689656-331W / 7L
Sep 3, 20062006 Berkeley OpenTournament · View matches · Initial rating 689Unrated689—1W / 8L