event | round | table | player one | result | player two |
Grand Prix Kansas City 2003 | 10 | 18 | Sonne, Jonathan (1826) | Lost 1-2 | Aten, Timothy (1694) |
Pro Tour London 2005 | 5 | 74 | Sonne, Jonathan (1871) | Won 2-0 | Aten, Timothy (1705) |
Grand Prix Kansas City 2011 | 4 | 102 | Sonne, Jonathan (2031) | Lost 0-2 | Aten, Timothy (1833) |