Stadium: Court 2 Round: 45 Ground: Hardcourt outdoor
| Challenger Zhuhai Qual | 2018/03/04 03:45 | Jacob Grills v Gerard Granollers-Pujol | 2-6,6-4,2-6 |
| Challenger Zhuhai Qual | 2018/03/03 05:20 | Jacob Grills v Jie Cui | 6-4,7-6 |
| Challenger Launceston Qual | 2018/02/04 02:00 | Benjamin Mitchell v Jacob Grills | 7-5,6-3 |
| Challenger Launceston Qual | 2018/02/03 02:20 | Benjamin Cawston v Jacob Grills | 0-6,1-6 |
| Challenger Burnie Qual | 2018/01/27 06:30 | Gerard Granollers-Pujol v Jacob Grills | 7-5,6-7,6-1 |
| Challenger Burnie Qual | 2018/01/27 02:10 | Jacob Grills v Peter Kobelt | 6-3,6-3 |
| ITF Thailand F12 | 2017/12/14 03:00 | Billy Harris v Jacob Grills | 2-6,7-5,3-6 |
| ITF Thailand F12 | 2017/12/12 05:20 | Jacob Grills v Wishaya Trongcharoenchaikul | 6-3,7-6 |
| Challenger Zhuhai | 2018/03/06 06:40 | Yusuke Takahashi v Malek Jaziri | 1-6,2-6 |
| Challenger Zhuhai Qual | 2018/03/05 02:00 | Yusuke Takahashi v Renta Tokuda | 6-4,6-4 |
| Challenger Zhuhai Qual | 2018/03/04 06:30 | Yusuke Takahashi v Martins Podzus | 2-6,6-2,6-4 |
| Challenger Zhuhai Qual | 2018/03/03 04:15 | Yusuke Takahashi v Tristan-Samuel Weissborn | 7-6,4-6,6-3 |
| Challenger Kyoto | 2018/02/20 01:30 | Yusuke Takahashi v Blake Ellis | 7-6,4-6,4-6 |
| Challenger Burnie | 2018/02/01 02:40 | Yusuke Takahashi v Daniel Altmaier | 6-7,3-6 |
| Challenger Burnie | 2018/01/31 00:45 | Kevin King v Yusuke Takahashi | 4-6,6-2,2-6 |
| Challenger Burnie | 2018/01/29 23:00 | Alexander Sarkissian v Yusuke Takahashi | 7-5,6-7,0-6 |