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