Aardvark: Joshua Castellano vs Matthew O'Connor
| Tournament played | Round | Joshua Castellano | Matthew O'Connor | |
| 1 | 02.01.2017 Albany 2017 New Year's CSW (USA) | 22 | 467 | 407 |
| 2 | 11.03.2018 Poughkeepsie NY CSW (USA) | 2 | 564 | 428 |
| 3 | 03.09.2018 Ottawa, Ontario (CAN) | 12 | 287 | 413 |
| 4 | 03.09.2018 Ottawa, Ontario (CAN) | 17 | 327 | 458 |
| 5 | 17.03.2019 Poughkeepsie, NY (USA) | 9 | 582 | 422 |
| 6 | 23.07.2019 North American Scrabble Championship - Collins Division (USA) | 15 | 421 | 509 |
| Head-to-head after 6 games | 3 | 3 | ||
| Average score | 441.33 | 439.5 | ||