Player record

Betty Guan

ID 77762CAFemaleInactive

Betty Guan's USATT rating is 953.

USATT rating953
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Wins

36

Indexed tournament wins

Losses

43

Indexed tournament losses

Matches

79

Decisive results

Win rate

45.6%

Across indexed matches

Peak rating

968

Highest rating in the available history.

Biggest upset

Eliana Chow

2011 US Nationals · Dec 17, 2011 · +508 rating

Open →

Biggest loss

Devin Forsey

2011 Berkeley Open on the JOOLA NA Tour · Sep 25, 2011 · -294 rating

Open →

Most frequent opponent

Jia-Yu Sung

3 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

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

DateTournamentRating inRating afterPoints changedRecord
Feb 19, 20122012 Western Open on JOOLA North America TourTournament · View matches968953-15+0 / -152W / 3L
Dec 17, 20112011 US NationalsTournament · View matches · USATT readjusted 603 → 904603968+64+65 / -14W / 5L
Nov 6, 2011JUIC International Jr. & Cadet ChampionshipTournament · View matches547603+56+61 / -56W / 4L
Oct 23, 2011Concord Cup Youth OpenTournament · View matches520547+273W / 4L
Sep 25, 20112011 Berkeley Open on the JOOLA NA TourTournament · View matches459520+613W / 6L
Sep 5, 20112nd AMDT San Francisco Open Table Tennis ChampionshipsTournament · View matches435459+244W / 2L
Aug 28, 20112011 West Coast Summer OpenTournament · View matches171435+26410W / 3L
May 29, 2011Golden State OpenTournament · View matches172171-12W / 3L
Mar 20, 2011ICC CA State OpenTournament · View matches207172-351W / 3L
Feb 20, 20112011 Western Open on the JOOLA NA TourTournament · View matches · USATT readjusted 107 → 157107207+50+50 / 01W / 2L
Dec 5, 2010ICC CA State OpenTournament · View matches116107-9+0 / -90W / 2L
Sep 5, 20102010 Berkeley Open on the JOOLA NA TourTournament · View matchesUnrated116—0W / 6L