| ITF Belgium F4 | 2017/07/13 13:35 | Christian Sigsgaard v Alexis Musialek | 4-6,3-6 |
| ITF Belgium F4 | 2017/07/11 15:15 | Christian Sigsgaard v Victor Poncelet | 7-5,6-4 |
| ITF Belgium F4 Qual | 2017/07/09 12:30 | Christian Sigsgaard v Lucas Poullain | 6-7,6-3,7-6 |
| ITF Belgium F4 Qual | 2017/07/09 08:50 | Christian Sigsgaard v Tommaso Metti | 6-0,6-4 |
| ITF Belgium F4 Qual | 2017/07/08 12:30 | Dennis Uspensky v Christian Sigsgaard | 4-6,2-6 |
| ITF Belgium F3 Qual | 2017/07/02 08:00 | Florian Lakat v Christian Sigsgaard | 6-2,6-4 |
| ITF Belgium F3 Qual | 2017/07/01 10:00 | Guillaume Dermiens v Christian Sigsgaard | 1-6,0-6 |
| ITF Greece F2 | 2016/03/30 09:00 | Vaclav Safranek v Christian Sigsgaard | 1-6,6-1,6-4 |
| ATP Antalya | 2019/06/25 10:30 | Altug Celikbilek v Damir Dzumhur | 3-6,6-4,3-6 |
| ATP Antalya | 2019/06/24 12:10 | Ernests Gulbis v Altug Celikbilek | 3-6,6-4,4-6 |
| Challenger Fergana | 2019/06/20 05:00 | Altug Celikbilek v Roberto Cid Subervi | 5-7,6-1,2-6 |
| Challenger Fergana | 2019/06/18 09:30 | Mukund Sasikumar v Altug Celikbilek | 6-3,6-7,2-6 |
| Challenger Fergana | 2019/06/17 08:30 | N. Vijay Sundar Prashanth v Altug Celikbilek | 3-6,4-6 |
| ITF M15 Kaltenkirchen | 2019/06/13 10:30 | Altug Celikbilek v Damien Wenger | 6-2,2-6,1-6 |
| ITF M15 Kaltenkirchen | 2019/06/12 12:50 | Altug Celikbilek v Peter Torebko | 6-4,2-6,6-2 |
| ITF M15 Kaltenkirchen | 2019/06/11 17:05 | Altug Celikbilek v Flemming Peters | 6-2,6-1 |