event | round | table | player one | result | player two |
Grand Prix New Jersey 2004 | 9 | 20 | Herberholz, Mark (1887) | Won 2-1 | Hoaen, Rich (1901) |
Grand Prix Minneapolis 2005 | 13 | 7 | Herberholz, Mark (1832) | Won 2-1 | Hoaen, Rich (2032) |
Grand Prix Richmond 2006 | 13 | 10 | Herberholz, Mark (1920) | Lost 0-2 | Hoaen, Rich (1954) |
Grand Prix Dallas 2007 | 4 | 48 | Herberholz, Mark (1927) | Lost 1-2 | Hoaen, Rich (2024) |