| Dutch Int. - Qualif. | 2019/04/11 07:30 | Edison, Keith Mark v Sibbald, Thomas | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/12/13 12:00 | Alcala, Alejandro v Sibbald, Thomas | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/11/14 12:00 | Abildgaard, Patrick v Sibbald, Thomas | L | 2-0 |
| Giraldilla Int. XD | 2017/04/20 11:04 | Sibbald, Thomas v Nicolaou, Elias | L | 0-2 |
| Giraldilla Int. XD | 2017/04/12 10:41 | Sibbald, Thomas v Lavrikov, Mikhail | L | 1-2 |
| Dutch Open | 2016/10/12 11:15 | Durkinjak, Zvonimir v Sibbald, Thomas | L | 2-0 |
| Giraldilla Int. XD | 2016/10/11 11:54 | Mund, Tobias v Sibbald, Thomas | W | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/11/14 11:00 | Soderstrom,tom v Jack Taylor | L | 2-0 |