Wins
751
Indexed tournament wins
Player record
Johnson, Mark
Losses
714
Indexed tournament losses
Matches
1,465
Decisive results
Win rate
51.3%
Across indexed matches
Peak rating
1,987
Highest rating in the available history.
Biggest upset
Yang, Justin
US Nationals · Jul 2, 2018 · +369 rating
Open →Biggest loss
Davila, Ruben
2013 Berkeley Open on JOOLA North America Tour · Sep 8, 2013 · -667 rating
Open →Most frequent opponent
Chen, Peter
12 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
148 tournament appearances · synced Aug 8, 2026, 2:20 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 7, 2010 | 2010 Spin Magicians FremontTournament · View matches | 1,858 | 1,815 | -43+0 / -43 | 2W / 4L |
| Sep 5, 2010 | 2010 Berkeley Open on the JOOLA NA TourTournament · View matches | 1,881 | 1,858 | -23+9 / -32 | 6W / 7L |
| Jul 3, 2010 | 2010 US OpenTournament · View matches | 1,872 | 1,881 | +9 | 10W / 9L |
| May 30, 2010 | Golden State OpenTournament · View matches | 1,894 | 1,872 | -22+12 / -34 | 8W / 4L |
| May 2, 2010 | ICC CA State OpenTournament · View matches | 1,895 | 1,894 | -1+7 / -8 | 4W / 2L |
| Feb 28, 2010 | ICC CA State OpenTournament · View matches | 1,941 | 1,895 | -46+2 / -48 | 3W / 2L |
| Feb 20, 2010 | 2010 Western Open on the JOOLA NA TourTournament · View matches | 1,933 | 1,941 | +8 | 11W / 5L |
| Feb 14, 2010 | Year of the Tiger OpenTournament · View matches | 1,947 | 1,933 | -14+2 / -16 | 2W / 1L |
| Dec 19, 2009 | 2009 US NationalsTournament · View matches | 1,877 | 1,947 | +70 | 10W / 5L |
| Dec 6, 2009 | ICC California State OpenTournament · View matches | 1,838 | 1,877 | +39+50 / -11 | 3W / 3L |
| Sep 6, 2009 | Berkeley Open on the JOOLA NA Tournament · View matches | 1,842 | 1,838 | -4+29 / -33 | 7W / 6L |
| Jul 26, 2009 | Alameda OpenTournament · View matches | 1,897 | 1,842 | -55+7 / -62 | 3W / 6L |
| Jul 4, 2009 | US Open TT ChampionshipTournament · View matches | 1,901 | 1,897 | -4+32 / -36 | 8W / 8L |
| May 24, 2009 | Golden State OpenTournament · View matches | 1,884 | 1,901 | +17 | 15W / 4L |
| May 10, 2009 | ICC California State OpenTournament · View matches | 1,812 | 1,884 | +72 | 7W / 4L |
| Mar 1, 2009 | ICC California State OpenTournament · View matches | 1,831 | 1,812 | -19 | 5W / 5L |
| Feb 22, 2009 | Western Open on the JOOLA NA TourTournament · View matches | 1,884 | 1,831 | -53+10 / -63 | 9W / 7L |
| Dec 20, 2008 | USATT Nationals ChampionshipsTournament · View matches | 1,874 | 1,884 | +10+49 / -39 | 10W / 7L |
| Dec 6, 2008 | ICC California State OpenTournament · View matches | 1,879 | 1,874 | -5+22 / -27 | 5W / 3L |
| Aug 31, 2008 | 2008 Life West OpenTournament · View matches | 1,921 | 1,879 | -42 | 9W / 4L |