event | round | table | player one | result | player two |
Grand Prix Miami 2015 | 15 | 26 | Mackl, Valentin (1960) | Won 2-0 | Merriam, Ross (1950) |
Grand Prix Cleveland 2015 | 15 | 69 | Mackl, Valentin (2050) | Lost 0-2 | Merriam, Ross (2043) |
Grand Prix Houston 2016 | 12 | 20 | Mackl, Valentin (1916) | Lost 0-2 | Merriam, Ross (1996) |