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