Stadium: Centre Court Round: 26 Ground: Hardcourt indoor
| ITF Japan F5 | 2017/04/09 07:30 | Tatsuma Ito v Masato Shiga | 6-4,6-2 |
| ITF Japan F5 | 2017/04/09 03:30 | Tatsuma Ito v Yusuke Takahashi | 6-4,6-2 |
| ITF Japan F5 | 2017/04/07 06:10 | Tatsuma Ito v Tung-Lin Wu | 6-4,6-4 |
| ITF Japan F5 | 2017/04/06 03:10 | Tatsuma Ito v Ryota Tanuma | 6-2,6-4 |
| ITF Japan F5 | 2017/04/04 04:40 | Tatsuma Ito v Katsuki Nagao | 7-6,6-4 |
| Challenger Quanzhou | 2017/03/21 04:50 | Yuki Bhambri v Tatsuma Ito | 7-6,6-2 |
| Challenger Shenzhen | 2017/03/14 06:00 | Duckhee Lee v Tatsuma Ito | 6-1,5-7,6-4 |
| Challenger Yokohama | 2017/03/04 05:50 | Tatsuma Ito v Soonwoo Kwon | 4-6,4-6 |
| Challenger Taipei | 2017/04/18 05:10 | Jason Jung v Lukas Lacko | 1-6,4-6 |
| Challenger St Brieuc | 2017/03/31 12:00 | Gleb Sakharov v Lukas Lacko | 6-2,7-6 |
| Challenger St Brieuc | 2017/03/30 09:50 | Maxime Janvier v Lukas Lacko | 0-6,5-7 |
| Challenger St Brieuc | 2017/03/29 12:25 | Franko Skugor v Lukas Lacko | 2-6,3-6 |
| ATP Miami | 2017/03/23 19:25 | Darian King v Lukas Lacko | 7-6,6-4 |
| ATP Miami Qual | 2017/03/21 14:00 | Lukas Lacko v Miomir Kecmanovic | 6-3,6-2 |
| ATP Miami Qual | 2017/03/20 14:00 | Lukas Lacko v Vasil Kirkov | 6-4,4-6,6-4 |
| Challenger Irving | 2017/03/16 20:20 | Karen Khachanov v Lukas Lacko | 6-4,3-6,6-1 |