Round: 28 Ground: Clay
| ITF Romania F1 | 2017/05/19 07:00 | Mertens, Yannick v Ross, Gianni | 2-6,6-3,6-4 |
| ITF Romania F1 | 2017/05/18 11:25 | Mertens, Yannick v Manda, Calin | 6-3,6-3 |
| ITF Romania F1 | 2017/05/16 09:10 | Mertens, Yannick v Voinea, Christian | 6-3,6-4 |
| ITF Italy F12 | 2017/05/10 07:30 | Mertens, Yannick v Ollert, Lukas | 6-3,4-6,2-6 |
| ATP Munich Qual | 2017/04/30 09:00 | Mertens, Yannick v Pella, Guido | 3-6,4-6 |
| ATP Munich Qual | 2017/04/29 10:00 | Alexander Bublik v Mertens, Yannick | 1-6,3-6 |
| ITF USA F13 | 2017/04/14 22:25 | Mertens, Yannick v Quigley, Eric | 6-2,3-6,4-6 |
| ITF USA F13 | 2017/04/13 17:00 | Mertens, Yannick v Yibing Wu | 6-3,6-1 |
| ITF Romania F1 | 2017/05/19 11:20 | Riffice, Sam v Luncanu, Petru-Alexandru | 6-0,7-5 |
| ITF Romania F1 | 2017/05/18 08:20 | Riffice, Sam v Vliegen, Joran | 7-5,6-3 |
| ITF Romania F1 | 2017/05/16 07:00 | Bortolotti, Marco v Riffice, Sam | 3-6,3-6 |
| ITF Romania F4 | 2017/05/15 10:25 | Riffice, Sam v Bodnariuk, Alexandru Cristian | 6-2,6-1 |
| ITF Romania F4 | 2017/05/14 08:00 | Riffice, Sam v Filip, Vladimir | 6-1,6-7,6-0 |
| ITF Romania F4 | 2017/05/13 10:00 | Riffice, Sam v Durnescu, Eugen | 6-2,6-2 |
| ITF USA F15 | 2017/04/30 16:00 | Calvin Hemery v Riffice, Sam | 6-3,6-1 |
| ITF USA F15 | 2017/04/29 17:00 | Riffice, Sam v Cagnina, Julien | 6-3,1-6,6-2 |