Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| Challenger - Yokohama | 2018/02/27 05:35 | Daniel Nguyen v Yosuke Watanuki | 6-2,6-4 |
| Challenger Yokohama Qual | 2018/02/26 01:00 | Hiroki Moriya v Daniel Nguyen | 6-2,6-3 |
| Challenger Yokohama Qual | 2018/02/25 02:20 | Yuta Shimizu v Daniel Nguyen | 6-4,5-7,2-6 |
| Challenger Yokohama Qual | 2018/02/24 06:35 | Nasa Hatakeyama v Daniel Nguyen | 1-6,3-6 |
| ITF Egypt F5 | 2018/02/16 12:00 | Jaimee Floyd Angele v Daniel Nguyen | 6-7,6-2,6-3 |
| ITF Egypt F5 | 2018/02/15 09:45 | Jelle Sels v Daniel Nguyen | 4-6,7-5,0-6 |
| ITF Egypt F5 | 2018/02/13 08:00 | Kirill Kivattsev v Daniel Nguyen | 5-7,6-7 |
| ITF Egypt F4 | 2018/02/07 08:00 | David Poljak v Daniel Nguyen | 4-6,7-6,6-3 |
| Challenger - Yokohama | 2018/02/27 04:45 | Jumpei Yamasaki v Stephane Robert | 6-3,1-6,3-6 |
| Challenger Kyoto | 2018/02/20 04:10 | Prajnesh Gunneswaran v Stephane Robert | 6-3,1-6,6-4 |
| Challenger - Launceston | 2018/02/08 00:00 | Bradley Mousley v Stephane Robert | 7-6,6-4 |
| Challenger - Launceston | 2018/02/06 01:40 | Gianni Mina v Stephane Robert | 6-7,1-6 |
| Challenger - Burnie | 2018/02/03 03:00 | Daniel Altmaier v Stephane Robert | 1-6,2-6 |
| Challenger - Burnie | 2018/02/02 08:50 | Stephane Robert v Yoshihito Nishioka | 6-3,3-6,6-4 |
| Challenger - Burnie | 2018/02/01 00:00 | Stephane Robert v Evan King | 6-1,6-4 |
| Challenger - Burnie | 2018/01/31 02:15 | Stephane Robert v Harry Bourchier | 7-5,7-5 |