| event | round | table | player one | result | player two |
| Grand Prix Buenos Aires 2000 | 11 | 2 | Ostrovich, Diego (1594) | Won 2-0 | Barbero, Jose (1588) |
| Grand Prix London 2003 | 12 | 1 | Ostrovich, Diego (1922) | Lost 1-2 | Barbero, Jose (2009) |
| Grand Prix London 2003 | Q | Ostrovich, Diego (1923) | Won 2-1 | Barbero, Jose (2005) | |
| Pro Tour Kobe 2004 | 9 | 19 | Ostrovich, Diego (1949) | Won 2-1 | Barbero, Jose (2016) |