| event | round | table | player one | result | player two |
| Grand Prix Zurich 2004 | 3 | 244 | Porojan, Raul (1430) | Lost 1-2 | Joens, Klaus (1451) |
| Grand Prix Strasbourg 2007 | Q | Porojan, Raul (1671) | Won 2-1 | Joens, Klaus (1983) | |
| Grand Prix Stuttgart 2007 | 7 | 7 | Porojan, Raul (1701) | Lost 0-2 | Joens, Klaus (1993) |