Wins
301
Indexed tournament wins
Player record
Karen Ma
Losses
241
Indexed tournament losses
Matches
542
Decisive results
Win rate
55.5%
Across indexed matches
Peak rating
2,062
Highest rating in the available history.
Biggest upset
Yang, Ted
No. Amer. Teams Open Championships · Nov 26, 2000 · +718 rating
Open →Biggest loss
Reyes, Alanis
JOOLA North American Teams · Nov 23, 2018 · -700 rating
Open →Most frequent opponent
Sarah Zheng
9 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
45 tournament appearances · synced Aug 8, 2026, 3:32 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 23, 2018 | JOOLA North American TeamsTournament · View matches | 1,943 | 1,710 | -233+0 / -233 | 1W / 10L |
| Nov 25, 2016 | 2016 Butterfly Thanksgiving TeamsTournament · View matches | 1,954 | 1,943 | -11+10 / -21 | 3W / 5L |
| Nov 27, 2015 | 2015 Butterfly Thanksgiving TeamsTournament · View matches | 1,934 | 1,954 | +20+81 / -61 | 10W / 7L |
| Nov 27, 2011 | 2011 JOOLA N. American Teams OTournament · View matches | 2,002 | 1,934 | -68 | 12W / 11L |
| Nov 28, 2010 | 2010 JOOLA N. American TeamsTournament · View matches | 1,899 | 2,002 | +103 | 19W / 6L |
| Nov 29, 2009 | 2009 JOOLA N. American Teams OTournament · View matches | 1,922 | 1,899 | -23 | 7W / 7L |
| Nov 30, 2008 | 2008 JOOLA American Teams OpenTournament · View matches | 1,874 | 1,922 | +48 | 12W / 9L |
| Nov 25, 2007 | 2007 JOOLA N. American Teams OTournament · View matches | 2,062 | 1,874 | -188 | 10W / 7L |
| Nov 26, 2006 | 2006 N. American Teams Open ChampionshipTournament · View matches | 1,975 | 2,062 | +87 | 14W / 4L |
| Nov 27, 2005 | 2005 N. American Teams Open ChTournament · View matches | 2,024 | 1,975 | -49 | 13W / 6L |
| Jul 31, 2005 | Junior Olympics & Junior NatioTournament · View matches | 1,862 | 2,024 | +162 | 10W / 2L |
| Jul 24, 2005 | 2005 Eastern Open/Zhi Yu CupTournament · View matches | 1,963 | 1,862 | -101 | 5W / 7L |
| Apr 24, 2005 | Flushing TTA 0305 RR OpenTournament · View matches | 1,960 | 1,963 | +3+3 / 0 | 2W / 0L |
| Nov 28, 2004 | 2004 N. American Teams Open TTTournament · View matches | 1,838 | 1,960 | +122 | 14W / 9L |
| Jul 25, 2004 | Eastern Open on the 2004 StigaTournament · View matches · USATT readjusted 1,673 → 1,825 | 1,673 | 1,838 | +13+39 / -26 | 11W / 5L |
| Nov 30, 2003 | North American TeamsTournament · View matches | 1,854 | 1,673 | -181 | 12W / 12L |
| Nov 27, 2003 | USA Junior Girls Team TrialsTournament · View matches | 1,907 | 1,854 | -53+1 / -54 | 1W / 3L |
| Aug 10, 2003 | Eastern Open on the 2003 StigaTournament · View matches · USATT readjusted 1,735 → 1,875 | 1,735 | 1,907 | +32+38 / -6 | 8W / 1L |
| Aug 1, 2003 | 2003 JR. Olympics & JR NationalsTournament · View matches | 1,751 | 1,735 | -16+0 / -16 | 5W / 6L |
| Jul 6, 2003 | 2003 U.S. OpenTournament · View matches | 1,728 | 1,751 | +23+63 / -40 | 4W / 6L |
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