Stadium: Court 2 Round: 25 Ground: Clay
| ITF Serbia F3 Qual | 2017/08/22 10:10 | Dennis Novak v Katic, Dejan | 7-6,6-4 |
| ITF Serbia F2 | 2017/08/18 10:40 | Pasha, Nathan v Katic, Dejan | 6-0,6-1 |
| ITF Serbia F2 | 2017/08/17 09:40 | Katic, Dejan v Riccardo Bonadio | 6-4,1-6,7-6 |
| ITF Serbia F2 | 2017/08/16 09:00 | Katic, Dejan v Sabanov, Ivan | 7-6,6-2 |
| ITF Serbia F1 | 2017/08/10 12:35 | David Jorda Sanchis v Katic, Dejan | 6-2,6-3 |
| ITF Russia F5 | 2017/08/02 09:15 | Katic, Dejan v Denis Yevseyev | 6-2,4-6,5-7 |
| ITF Russia F5 | 2017/08/01 08:40 | Valentsev, Nikita v Katic, Dejan | 1-6,3-6 |
| ITF Russia F4 | 2017/07/26 09:30 | Katic, Dejan v Pavel Kotov | 3-6,3-6 |
| ITF Serbia F4 Qual | 2017/08/28 09:20 | Wakita, Shunsuke v Mladenovic, Rajko | 1-6,4-6 |
| ITF Serbia F4 Qual | 2017/08/27 10:30 | Marson, Guido v Mladenovic, Rajko | 6-7,2-6 |
| ITF Serbia F3 | 2017/08/23 10:30 | Mladenovic, Rajko v Kekez, Duje | 2-6,4-6 |
| ITF Serbia F3 Qual | 2017/08/21 07:30 | Tikhomirov, Maksim v Mladenovic, Rajko | 2-6,6-7 |
| ITF Serbia F3 Qual | 2017/08/20 07:00 | Tasenkov, Vladislav v Mladenovic, Rajko | 1-6,2-6 |
| ITF Serbia F3 Qual | 2017/08/19 09:30 | Bilic, Feda v Mladenovic, Rajko | 6-7,6-7 |
| ITF Serbia F1 | 2017/08/08 10:20 | Sabanov, Matej v Mladenovic, Rajko | 5-7,3-6 |
| ITF Serbia F1 Qual | 2017/08/07 07:00 | Yvo Panak v Mladenovic, Rajko | 5-7,5-7 |