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