| Scottish Open - Mixed dubbel | 2019/11/21 18:10 | Mairs/Williams v Grimley/Sidebottom | W | 2-1 |
| Irish Open - Mixed dubbel | 2019/11/15 10:00 | Delrue/Gicquel v Mairs/Williams | L | 2-0 |
| Irish Open - Mixed dubbel | 2019/11/14 17:50 | Mairs/Williams v Lin/Lin | W | 2-0 |
| Irish Open - Mixed dubbel | 2019/11/14 09:40 | Mairs/Williams v Magee/Boyle | W | 2-0 |
| SaarLorLux Open XD | 2019/10/29 16:20 | Mairs/Williams v Seidel/Efler | L | 0-2 |
| Dutch Open - Mixed dubbel | 2019/10/10 12:05 | Mairs/Williams v Adcock/Adcock | L | 0-2 |
| Dutch Open - Mixed dubbel | 2019/10/08 15:00 | Mairs/Williams v Lu/Lee | W | 2-1 |
| Kharkiv Int. - Mixed dubbel | 2019/09/07 13:00 | Smilowski/Swierczynska v Mairs/Williams | L | 2-1 |
| Scottish Open - Mixed dubbel | 2019/11/21 17:30 | Reynolds/Darragh v Flynn/Lado | W | 0-2 |