Stadium: Grandstand Round: 26 Ground: Clay
| Challenger Sibiu MD | 2019/09/17 13:30 | Kolar/Serdarusic v Cornea/Jecan | 7-5,5-7,8-10 |
| Challenger Banja Luka MD | 2019/09/12 14:30 | Sabanov/Sabanov v Kolar/Serdarusic | 6-4,7-5 |
| ITF Kazakhstan F5 MD | 2017/04/27 07:00 | Kolar/Serdarusic v Pavlioutchenkov/Petrovic | 7-5,6-7,6-10 |
| ITF Kazakhstan F5 MD | 2017/04/24 08:30 | Kolar/Serdarusic v Vilella Martinez/Zhurbin | 4-6,6-1,10-2 |
| ITF Kazakhstan F4 MD | 2017/04/21 08:00 | Kolar/Serdarusic v Vilella Martinez/Zhurbin | 6-2,6-2 |
| ITF Croatia F3 MD | 2017/03/25 12:20 | Kolar/Serdarusic v Casanova/Ficovich | 7-5,6-0 |
| ITF Croatia F3 MD | 2017/03/24 13:30 | Kolar/Serdarusic v Antonescu/Jecan | 6-4,2-6,10-7 |
| ITF Croatia F3 MD | 2017/03/23 14:30 | Kolar/Serdarusic v Ciurletti/Summaria | 6-3,6-1 |