| event | round | table | player one | result | player two |
| Grand Prix Seville 2003 | 5 | 3 | Herzog, Nicolai (1930) | Lost 1-2 | Ostrovich, Diego (1921) |
| Grand Prix Seville 2003 | 12 | 13 | Herzog, Nicolai (1937) | Won 2-1 | Ostrovich, Diego (1943) |
| Pro Tour Venice 2003 | 1 | 36 | Herzog, Nicolai (1954) | Lost 1-2 | Ostrovich, Diego (1918) |