Round: 25 Ground: Clay
| ITF Romania F3 | 2017/06/12 10:00 | Riccardo Maiga v Gabriel P Tumasonis | 6-2,6-1 |
| ITF Romania F3 | 2017/06/11 10:00 | Riccardo Maiga v Martin Valdo Randpere | 6-0,6-0 |
| ITF Czech Republic F3 | 2017/05/30 08:00 | Riccardo Maiga v Pascal Meis | 1-6,4-6 |
| ITF Czech Republic F3 Qual | 2017/05/29 09:45 | Riccardo Maiga v Dominik Suc | 6-3,6-3 |
| ITF Czech Republic F3 Qual | 2017/05/28 09:30 | Riccardo Maiga v James Markiewicz | 6-4,6-1 |
| ITF Czech Republic F3 Qual | 2017/05/27 11:00 | Riccardo Maiga v Daniel Paty | 6-4,6-2 |
| ITF Ukraine F2 | 2017/05/19 07:00 | Pietro Rondoni v Riccardo Maiga | 6-4,6-7,7-5 |
| ITF Ukraine F2 | 2017/05/18 07:00 | Riccardo Maiga v Ivan Nedelko | 6-4,6-3 |
| ITF Hungary F3 | 2017/05/24 09:30 | Ken Onishi v Gabor Borsos | 1-6,1-6 |
| ITF Hungary F2 | 2017/05/17 08:00 | Ken Onishi v Tomislav Jotovski | 6-4,2-6,4-6 |
| ITF Hungary F2 | 2017/05/16 09:25 | Michal Schmid v Ken Onishi | 6-2,4-6,4-6 |
| ITF Hungary F1 | 2017/05/11 11:40 | Attila Balazs v Ken Onishi | 6-2,6-2 |
| ITF Hungary F1 | 2017/05/10 08:00 | Alexander Ovcharov v Ken Onishi | 1-6,3-6 |
| ITF Hungary F1 | 2017/05/08 08:00 | Ken Onishi v Aljaz Radinski | 6-3,7-5 |
| ITF Japan F5 | 2017/04/03 06:20 | Ken Onishi v Ryota Tanuma | 6-7,2-6 |
| ITF Japan F4 | 2017/03/30 01:00 | Ken Onishi v Yosuke Watanuki | 2-6,5-7 |