Estadio: Hard Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/05/23 08:00 | Matic Dimic v Christos Keisidis | 2-6,4-6 |
| ITF M15 Sibenik | 2021/05/16 10:00 | Duje Kekez v Matic Dimic | 6-2,6-0 |
| ITF M15 Prijedor | 2021/05/11 08:00 | Matic Dimic v Bozo Barun | 2-6,6-2,7-10 |
| ITF M15 Prijedor | 2021/05/10 12:00 | Gorazd Srbljak v Matic Dimic | 6-7,7-5,7-10 |
| ITF M15 Sibenik | 2021/04/18 08:00 | Matic Dimic v Neil Oberleitner | 7-6,4-6,6-10 |
| ITF M15 Opatija | 2021/03/22 11:20 | Peter Bertran v Matic Dimic | 3-6,6-2,11-9 |
| ITF M15 Porec | 2021/03/07 14:30 | Matic Dimic v Kris Krawcewicz | 1-6,6-2,9-11 |
| ITF M15 Heraklion | 2020/11/08 08:30 | Matic Dimic v Valentin Royer | 1-6,4-6 |
| ITF M15 Tbilisi | 2021/05/22 06:00 | Christian Sigsgaard v Alexander Shevchenko | 6-7,6-7 |
| ITF M15 Tbilisi | 2021/05/21 06:00 | Christian Sigsgaard v Benjamin Lock | 7-5,6-1 |
| ITF M15 Tbilisi | 2021/05/20 06:00 | Christian Sigsgaard v Yurii Dzhavakian | 6-2,6-4 |
| ITF M15 Tbilisi | 2021/05/19 07:25 | Sanjar Fayziev v Christian Sigsgaard | 4-6,3-6 |
| ITF M15 Tbilisi | 2021/05/17 06:00 | Piotr Grynkowski v Christian Sigsgaard | 3-6,3-6 |
| ITF M15 Tbilisi | 2021/05/17 05:30 | Charles Minc v Christian Sigsgaard | 4-6,3-6 |
| ITF M15 Sibenik | 2021/04/22 08:00 | Christian Sigsgaard v David Pichler | 2-6,5-7 |
| ITF M15 Sibenik | 2021/04/21 10:30 | Ugo Blanchet v Christian Sigsgaard | 2-6,0-6 |