| ITF Hong Kong F6 | 2018/01/02 02:00 | Matteo Viola v Chun Hun Wong | 6-2,6-1 |
| ITF Israel F16 | 2017/12/02 08:30 | Yannick Mertens v Matteo Viola | 6-2,6-2 |
| ITF Israel F16 | 2017/11/30 09:35 | Julien Dubail v Matteo Viola | 1-6,1-6 |
| ITF Israel F16 | 2017/11/29 11:50 | Edan Bakshi v Matteo Viola | 2-6,1-6 |
| Challenger Andria | 2017/11/20 19:00 | Albano Olivetti v Matteo Viola | 7-6,3-6,6-2 |
| ITF Finland F4 | 2017/11/14 19:55 | Patrik Niklas-Salminen v Matteo Viola | 6-4,3-6,7-5 |
| Challenger Bratislava | 2017/11/08 12:20 | Marcos Baghdatis v Matteo Viola | 6-4,6-4 |
| Challenger Bratislava Qual | 2017/11/06 09:00 | Matteo Viola v Niels Desein | 6-3,6-7,2-6 |
| ITF Hong Kong F6 | 2018/01/01 02:00 | Ming Chun Alan Sou v Takashi Saito | 2-6,1-6 |
| ITF Hong Kong F5 | 2017/12/28 02:00 | Takashi Saito v Alexander Zhurbin | 6-7,4-6 |
| ITF Hong Kong F5 | 2017/12/27 02:30 | Takashi Saito v Chun Hun Wong | 5-7,7-6,7-5 |
| ITF Hong Kong F5 | 2017/12/26 06:10 | Sora Fukuda v Takashi Saito | 6-4,6-7,3-6 |
| ITF Hong Kong F5 | 2017/12/24 03:00 | Francesco Bessire v Takashi Saito | 3-6,2-6 |
| ITF Hong Kong F5 | 2017/12/23 05:00 | Wai Yu Kai v Takashi Saito | 1-6,0-6 |
| ITF Turkey F44 | 2017/11/21 07:15 | Alexander Zhurbin v Takashi Saito | 6-0,6-2 |
| ITF Turkey F43 | 2017/11/16 06:45 | Takashi Saito v Pietro Rondoni | 3-6,6-3,6-7 |