Stadium: Court 2 Round: 46 Ground: Hardcourt outdoor
| Launceston, Australia | 2018/02/03 02:10 | Sebastian Fanselow v Mitchell, Benjamin | 3-6,6-3,5-7 |
| Challenger - Burnie - Qualifications | 2018/01/26 23:00 | Mitchell, Benjamin v Caruana, Liam | 1-6,4-6 |
| Challenger Canberra | 2018/01/10 00:50 | Mitchell, Benjamin v Mayer, Florian (1983) | 4-6,6-7 |
| Challenger Canberra | 2018/01/08 00:40 | Propoggia, Dane v Mitchell, Benjamin | 6-3,3-6,1-6 |
| Challenger Canberra 2 | 2017/11/02 00:30 | Marc Polmans v Mitchell, Benjamin | 6-2,2-6,7-5 |
| Challenger Canberra 2 | 2017/10/31 23:00 | Mukund Sasikumar v Mitchell, Benjamin | 4-6,4-6 |
| Challenger Canberra 2 Qual | 2017/10/29 03:00 | Barton, Matthew v Mitchell, Benjamin | 6-3,6-4 |
| Challenger Canberra 2 Qual | 2017/10/29 00:30 | Barton, Matthew v Mitchell, Benjamin | 6-3,6-4 |
| Launceston, Australia | 2018/02/03 02:20 | Benjamin Cawston v Grills, Jacob | 0-6,1-6 |
| Challenger - Burnie - Qualifications | 2018/01/27 06:30 | Granollers, Gerard v Grills, Jacob | 7-5,6-7,6-1 |
| Challenger - Burnie - Qualifications | 2018/01/27 02:10 | Grills, Jacob v Kobelt, Peter | 6-3,6-3 |
| ITF Thailand F12 | 2017/12/14 03:00 | Billy Harris v Grills, Jacob | 2-6,7-5,3-6 |
| ITF Thailand F12 | 2017/12/12 05:20 | Grills, Jacob v Wishaya Trongcharoenchaikul | 6-3,7-6 |
| ITF Thailand F11 | 2017/12/06 03:00 | Wishaya Trongcharoenchaikul v Grills, Jacob | 7-6,6-2 |
| ITF Thailand F11 | 2017/12/05 05:05 | Song, Min-Kyu v Grills, Jacob | 6-4,4-6,3-6 |
| Challenger Canberra 2 | 2017/10/31 00:00 | Grills, Jacob v Alex Bolt | 4-6,4-6 |