Round: 44 Ground: Hardcourt outdoor
| ITF Indonesia F1 Qual | 2017/02/04 02:00 | Czepielewski, Daniel v Edison, Christian Alvin | 3-6,3-6 |
| ITF Germany F2 Qual | 2017/01/16 14:00 | Elmar Ejupovic v Czepielewski, Daniel | 6-4,6-4 |
| ITF Germany F2 Qual | 2017/01/16 09:00 | Karlo Cubelic v Czepielewski, Daniel | 2-6,3-6 |
| ITF Germany F2 Qual | 2017/01/15 08:00 | Czepielewski, Daniel v Tom Schonenberg | 6-3,7-6 |
| ITF Germany F1 Qual | 2017/01/09 13:00 | Kekez, Duje v Czepielewski, Daniel | 6-3,6-0 |
| ITF Germany F1 Qual | 2017/01/08 13:00 | Czepielewski, Daniel v Burgos, Mark | 6-2,6-4 |
| ITF Germany F1 Qual | 2017/01/08 09:00 | Czepielewski, Daniel v Baumann, Daniel | 2-6,6-3,7-6 |
| ITF Germany F17 | 2016/10/31 09:00 | Czepielewski, Daniel v de Jager, Adriaan | 6-4,6-1 |
| ITF Indonesia F1 | 2017/02/07 07:50 | Shintaro Imai v Sakai, Yuto | 7-6,6-2 |
| ITF Indonesia F1 Qual | 2017/02/06 06:25 | Sakai, Yuto v Robin Thour | 7-5,6-3 |
| ITF Indonesia F1 Qual | 2017/02/05 05:10 | Radinski, Aljaz v Sakai, Yuto | 6-7,5-7 |
| ITF Indonesia F1 Qual | 2017/02/04 06:40 | M Rifqi, Fitriadi v Sakai, Yuto | 7-6,6-7,3-6 |
| ITF Japan F2 | 2016/03/15 03:40 | Sekiguchi, Shuichi v Sakai, Yuto | 6-3,6-1 |
| ITF Japan F4 | 2015/03/30 01:00 | Sakai, Yuto v Hong, Seong Chan | 1-6,0-6 |
| ITF Japan F4 | 2015/03/29 00:00 | Ratiwatana, Sanchai v Sakai, Yuto | 6-4,3-6,1-6 |