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