Stadium: Court 7 Round: 62 Ground: Clay
| ITF M15 Kramsach | 2019/07/15 08:00 | Aleksandar Tomas v Philipp Dittmer | 1-6,2-6 |
| ITF M25 Prijedor | 2019/05/08 07:00 | Dejan Katic v Aleksandar Tomas | 7-6,6-1 |
| ITF Turkey F39 | 2018/12/01 06:30 | Marcel Hornung v Aleksandar Tomas | 6-4,6-1 |
| ITF Turkey F32 | 2018/10/13 07:00 | Bjorn Nareyka v Aleksandar Tomas | 6-2,7-5 |
| ITF Turkey F31 | 2018/10/08 07:00 | Aleksandar Tomas v Eric Vanshelboim | 1-6,1-6 |
| ITF Austria F6 | 2018/08/04 07:00 | Aleksandar Tomas v Niklas Waldner | 4-6,4-6 |
| ITF Austria F4 Qual | 2018/07/21 10:00 | Nicolas Parizzia v Aleksandar Tomas | 6-4,6-1 |
| ITF Austria F3 | 2018/07/14 07:15 | Ivan Davydov v Aleksandar Tomas | 6-1,6-2 |
| ITF M15 Sharm El Sheikh | 2021/03/28 14:30 | Ivan Mikhaylyuk v Christian Sigsgaard | 4-6,6-4,10-2 |
| ITF M15 Sharm El Sheikh | 2021/03/22 07:30 | Marco Miceli v Christian Sigsgaard | 7-6,3-6,10-5 |
| ITF M15 Sharm El Sheikh | 2021/03/21 09:30 | Tomas Papik v Christian Sigsgaard | 4-6,2-6 |
| ITF M15 Manacor | 2021/01/12 11:00 | Peter Benjamin Privara v Christian Sigsgaard | 3-6,6-1,10-8 |
| ITF M15 Manacor | 2021/01/11 13:30 | Christian Sigsgaard v Hugo Pontico | 6-2,3-6,10-0 |
| Davis Cup | 2019/09/14 14:30 | Christian Sigsgaard v Altug Celikbilek | 1-6,6-7 |
| Davis Cup | 2019/09/13 14:00 | Christian Sigsgaard v Cem Ilkel | 6-7,7-6,2-6 |
| ITF Belgium F4 | 2017/07/13 13:35 | Christian Sigsgaard v Alexis Musialek | 4-6,3-6 |