event | round | table | player one | result | player two |
Grand Prix Stuttgart 2007 | 13 | 44 | Mueller, Andre (1831) | Lost 0-2 | Joens, Klaus (1946) |
Grand Prix Amsterdam 2011 | 8 | 693 | Mueller, Andre (1742) | Lost 0-2 | Joens, Klaus (1800) |
Grand Prix London 2013 | 8 | 458 | Mueller, Andre (1722) | Won 2-0 | Joens, Klaus (1732) |