Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Challenger Gimcheon | 2017/05/02 05:55 | Tatsuma Ito v Duckhee Lee | 6-4,3-6,4-6 |
| Challenger Taipei | 2017/04/23 07:55 | Tatsuma Ito v Yen-Hsun Lu | 1-6,6-7 |
| Challenger Taipei | 2017/04/22 05:00 | Akira Santillan v Tatsuma Ito | 4-6,6-2,5-7 |
| Challenger Taipei | 2017/04/21 06:00 | Konstantin Kravchuk v Tatsuma Ito | 4-6,6-7 |
| Challenger Taipei | 2017/04/20 06:00 | Tatsuma Ito v Lukas Lacko | 6-4,6-4 |
| 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 |
| Challenger Gimcheon | 2017/05/02 02:00 | Illya Marchenko v Marko Tepavac | 5-7,7-5,6-1 |
| Challenger Anning | 2017/04/26 02:00 | Blaz Kavcic v Marko Tepavac | 7-6,6-4 |
| Challenger Anning | 2017/04/25 02:00 | Marko Tepavac v Felix Auger Aliassime | 2-6,6-4,6-4 |
| Challenger Qingdao | 2017/04/18 04:45 | Nikola Milojevic v Marko Tepavac | 6-3,6-2 |
| Challenger Shenzhen Qual | 2017/03/13 04:00 | Marko Tepavac v Franko Skugor | 3-6,4-6 |
| Challenger Shenzhen Qual | 2017/03/12 07:05 | Marko Tepavac v Lorenzo Sonego | 6-3,3-6,6-2 |
| Challenger Shenzhen Qual | 2017/03/12 03:05 | Marko Tepavac v Yannick Maden | 7-6,6-2 |
| Challenger Zhuhai | 2017/03/07 07:40 | Evgeny Donskoy v Marko Tepavac | 6-7,6-4,7-5 |