| Tournament played | Round | Matthew O'Connor | Tim Weiss |
| 1 | 05.08.2015 North American Champs Collins Division, Reno, NV
(USA) | 31 | 534 | 385 |
| 2 | 18.10.2015 Lake George, NY Collins
(USA) | 5 | 419 | 393 |
| 3 | 24.07.2016 Stamford, CT Main Event
(USA) | 2 | 377 | 422 |
| 4 | 24.07.2016 Stamford, CT Main Event
(USA) | 7 | 290 | 463 |
| 5 | 10.08.2016 North American Scrabble Championship, IN
(USA) | 10 | 296 | 399 |
| 6 | 16.10.2016 Lake George NY Collins Main Event
(USA) | 1 | 529 | 387 |
| 7 | 02.01.2017 Albany 2017 New Year's CSW
(USA) | 6 | 455 | 444 |
| 8 | 26.07.2017 North American Championship Collins
(USA) | 26 | 325 | 404 |
| 9 | 04.09.2017 John Weston Memorial Tournament
(CAN) | 2 | 399 | 432 |
| 10 | 04.09.2017 John Weston Memorial Tournament
(CAN) | 18 | 392 | 388 |
| 11 | 15.01.2018 Crescent City Cup
(USA) | 2 | 392 | 398 |
| 12 | 11.03.2018 Poughkeepsie NY CSW
(USA) | 7 | 343 | 465 |
| 13 | 03.09.2018 Ottawa, Ontario
(CAN) | 1 | 422 | 462 |
| 14 | 03.09.2018 Ottawa, Ontario
(CAN) | 16 | 433 | 394 |
| 15 | 03.09.2018 Ottawa, Ontario
(CAN) | 18 | 413 | 379 |
| 16 | 03.09.2018 Ottawa, Ontario
(CAN) | 21 | 412 | 510 |
| 17 | 17.03.2019 Poughkeepsie, NY
(USA) | 4 | 528 | 255 |
| 18 | 23.07.2019 North American Scrabble Championship - Collins Division
(USA) | 18 | 364 | 426 |
| 19 | 23.07.2019 North American Scrabble Championship - Collins Division
(USA) | 20 | 458 | 442 |
| Head-to-head after 19 games | 9 | 10 |
| Average score | 409.52 | 413.05 |
