| German Championship | 2021/12/08 09:00 | Thomas Jan Dafcik v Milan Welte | 2-6,3-6 |
| ITF M15 Allershausen | 2021/08/31 10:00 | Thomas Jan Dafcik v Luke Johnson | 5-7,0-6 |
| ITF M25 Trimbach | 2021/03/08 12:15 | Arthur Bouquier v Thomas Jan Dafcik | 6-3,6-2 |
| German Championship | 2020/12/09 14:00 | Thomas Jan Dafcik v Niklas Schell | 3-6,4-6 |
| German Championship | 2020/12/08 09:30 | Flemming Peters v Thomas Jan Dafcik | 6-3,5-7,3-6 |
| ITF Austria F5 Qual | 2016/08/08 08:00 | Kirill Kivattsev v Thomas Jan Dafcik | 6-3,2-6,6-1 |
| ITF Austria F5 Qual | 2016/08/07 08:30 | Thomas Jan Dafcik v Alexander Thomas Grabher | 6-4,6-0 |
| ITF Austria F5 Qual | 2016/08/06 08:30 | Andreas Kramer v Thomas Jan Dafcik | 3-6,1-6 |
| UTR Pro Tennis Series Zadar | 2021/11/19 09:00 | Vladyslav Manafov v Duje Kekez | 6-3,2-6,6-3 |
| UTR Pro Tennis Series Zadar | 2021/11/18 12:00 | Valerii Naumenko v Duje Kekez | 0-6,0-6 |
| UTR Pro Tennis Series Zadar | 2021/11/16 12:00 | Robert Rumler v Duje Kekez | 2-6,4-6 |
| UTR Pro Tennis Series Zadar | 2021/11/14 12:00 | Vladimir Popov v Duje Kekez | 0-6,2-6 |
| UTR Pro Tennis Series Nis | 2021/10/09 10:15 | Alexander Lazov v Duje Kekez | 6-3,3-6,5-1 |
| UTR Pro Tennis Series Nis | 2021/10/08 17:00 | Duje Kekez v Lazar Radenkovic | 6-1,5-1 |
| UTR Pro Tennis Series Nis | 2021/10/07 14:00 | Duje Kekez v Vladimir Popov | 6-0,5-1 |
| UTR Pro Tennis Series Nis | 2021/10/06 10:00 | Ivan Denisov v Duje Kekez | 1-6,4-6 |