| Latvia Int. Qual | 2021/08/26 09:30 | Vilius Bagdanavicius v Thomas, Callum | L | 2-0 |
| Irish Open Qual | 2019/11/13 11:00 | Mo, Tsung Fong v Thomas, Callum | L | 2-0 |
| Czech Open Qual | 2019/09/26 08:00 | Thomas, Callum v Bahro, Matti-Lukka | L | 0-2 |
| Latvia Int. Qual | 2019/05/30 10:00 | Pilve, Hans v Thomas, Callum | L | 2-0 |
| Latvia Int. Qual | 2019/05/30 06:00 | Thomas, Callum v Leung, Toby | W | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/11/14 13:30 | Thomas, Callum v Stensaeth, Peter Roenn | L | 0-2 |
| Bulgarian Int. Qual | 2022/10/06 14:00 | Ben Muir v Yohan Barbieri | L | 0-2 |
| Bulgarian Int. Qual | 2022/10/06 08:45 | Ben Muir v Emil Dantler | W | 2-1 |
| Slovenia Int. Qual | 2022/05/18 10:40 | Ben Muir v Kumar, Dhruv | L | 1-2 |
| Welsh Int Qual | 2021/12/01 12:30 | Ben Muir v Pranav Rao Gandham | L | 0-2 |