Round: 46 Ground: Clay
| Challenger Caltanissetta Qual | 2017/06/10 09:50 | Denys Molchanov v Luca Potenza | 6-3,6-2 |
| Challenger Prostejov Qual | 2017/06/04 12:45 | Petr Michnev v Denys Molchanov | 6-4,6-4 |
| Challenger Prostejov Qual | 2017/06/04 08:00 | Denys Molchanov v Tomas Papik | 6-3,7-6 |
| Challenger Shymkent Qual | 2017/05/20 06:25 | Denys Molchanov v Alexey Kedryuk | 6-0,6-2 |
| Challenger Samarkand | 2017/05/17 07:50 | Jason Jung v Denys Molchanov | 6-4,4-6,6-2 |
| Challenger Samarkand | 2017/05/16 07:00 | Kenneth Raisma v Denys Molchanov | 4-6,4-6 |
| Challenger Samarkand Qual | 2017/05/15 05:00 | Alexander Zhurbin v Denys Molchanov | 4-6,4-6 |
| Challenger Samarkand Qual | 2017/05/14 07:20 | Denys Molchanov v Denis Yevseyev | 6-4,6-3 |
| Challenger Vicenza Qual | 2017/05/28 14:35 | Blaz Rola v Adrian Ungur | 6-3,6-1 |
| Challenger Vicenza Qual | 2017/05/27 13:40 | Romain Barbosa v Adrian Ungur | 2-6,4-6 |
| Challenger Mestre | 2017/05/23 12:45 | Adrian Ungur v Matteo Viola | 6-0,4-6,2-6 |
| Challenger Mestre Qual | 2017/05/22 10:00 | Mathias Bourgue v Adrian Ungur | 0-6,1-6 |
| Challenger Mestre Qual | 2017/05/21 12:15 | Ante Pavic v Adrian Ungur | 6-7,3-6 |
| Challenger Mestre Qual | 2017/05/20 17:35 | Julien Cagnina v Adrian Ungur | 5-7,1-6 |
| Challenger Francavilla Qual | 2017/04/24 09:00 | Filip Krajinovic v Adrian Ungur | 6-1,6-3 |
| Challenger Francavilla Qual | 2017/04/23 11:55 | Artem Smirnov v Adrian Ungur | 1-6,2-6 |