Wins
301
Indexed tournament wins
Player record
Ma, Karen
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
Zheng, Sarah
9 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
45 tournament appearances · synced Aug 9, 2026, 2:20 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 4, 2003 | Long Island ChampionshipsTournament · View matches | 1,754 | 1,728 | -26+0 / -26 | 1W / 2L |
| Dec 22, 2002 | 2002 US National ChampionshipsTournament · View matches · USATT readjusted 1,660 → 1,731 | 1,660 | 1,754 | +23+53 / -30 | 6W / 5L |
| Dec 1, 2002 | Stiga N.A. Teams ChampionshipsTournament · View matches | 1,580 | 1,660 | +80 | 7W / 14L |
| Nov 10, 2002 | NJTTC November OpenTournament · View matches | 1,640 | 1,580 | -60+0 / -60 | 3W / 3L |
| Sep 8, 2002 | Spinmania 2002Tournament · View matches | 1,656 | 1,640 | -16+0 / -16 | 3W / 2L |
| Aug 10, 2002 | AAU Jr Olympics/Jr NationalsTournament · View matches | 1,642 | 1,656 | +14 | 6W / 4L |
| Jul 28, 2002 | Eastern Open on the 2002 StigaTournament · View matches | 1,682 | 1,642 | -40+23 / -63 | 6W / 7L |
| Jul 7, 2002 | 2002 U.S. OpenTournament · View matches | 1,640 | 1,682 | +42 | 5W / 5L |
| Mar 31, 2002 | 2002 Spintech OpenTournament · View matches | 1,662 | 1,640 | -22+2 / -24 | 5W / 2L |
| Nov 25, 2001 | 2001 Stiga No. American TeamsTournament · View matches | 1,733 | 1,662 | -71+16 / -87 | 2W / 16L |
| Jul 22, 2001 | Eastern Open on the 2001 NA ToTournament · View matches | 1,685 | 1,733 | +48+52 / -4 | 12W / 3L |
| Jul 8, 2001 | 2001 US Open 3Tournament · View matches | 1,531 | 1,685 | +154 | 12W / 3L |
| Apr 15, 2001 | 2001 Spin OpenTournament · View matches | 1,561 | 1,531 | -30 | 2W / 4L |
| Nov 26, 2000 | No. Amer. Teams Open ChampionshipsTournament · View matches | 1,019 | 1,561 | +542 | 7W / 4L |
| Aug 20, 2000 | Matthew Murad Memorial Open oTournament · View matches | 975 | 1,019 | +44 | 9W / 1L |
| Apr 23, 2000 | 2000 Spin OpenTournament · View matches | 957 | 975 | +18+23 / -5 | 8W / 5L |
| Feb 13, 2000 | STTC Feb 2000Tournament · View matches | 957 | 957 | 0+0 / 0 | 0W / 3L |
| Nov 28, 1999 | 1999 NA Teams 2Tournament · View matches | 959 | 957 | -2 | 4W / 8L |
| Aug 8, 1999 | Maryland August CircuitTournament · View matches | 764 | 959 | +195 | 13W / 2L |
| Apr 4, 1999 | Spin OpenTournament · View matches | 726 | 764 | +38 | 7W / 3L |