Stadium: Cancha 3 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 | 2018/01/29 23:00 | Zhe Li v Sebastian Fanselow | 7-5,6-4 |
| Challenger Newport Beach Qual | 2018/01/21 18:55 | Sebastian Fanselow v Cristian Garin | 1-6,4-6 |
| Challenger Newport Beach Qual | 2018/01/20 18:00 | Nevolo, Dennis v Sebastian Fanselow | 3-6,1-6 |
| ITF USA F38 | 2017/11/21 15:00 | Strong Kirchheimer v Sebastian Fanselow | 6-3,3-6,6-3 |
| Challenger Champaign | 2017/11/13 21:30 | Fratangelo, Bjorn v Sebastian Fanselow | 3-6,7-6,6-1 |
| Challenger Canberra 2 | 2017/11/01 05:00 | Sebastian Fanselow v Alex Bolt | 1-6,6-7 |
| Challenger Canberra 2 | 2017/10/30 00:30 | Noah Rubin v Sebastian Fanselow | 3-6,2-6 |
| Challenger Morelos Qual | 2018/02/17 15:00 | Roelofse, Ruan v Gonzales, Ruben | 6-4,6-4 |
| ITF Germany F2 | 2018/01/24 11:30 | Juan Pablo Ficovich v Roelofse, Ruan | 6-4,1-6,7-5 |
| ITF Germany F2 Qual | 2018/01/22 16:30 | Roelofse, Ruan v Panfil, Grzegorz | 7-6,6-1 |
| ITF Germany F2 Qual | 2018/01/22 09:00 | Roelofse, Ruan v Recek, Dominik | 7-5,7-6 |
| Challenger Koblenz Qual | 2018/01/14 10:35 | Vishnu Vardhan v Roelofse, Ruan | 6-7,7-6,7-5 |
| Challenger Champaign Qual | 2017/11/11 22:35 | Roelofse, Ruan v Monette, Samuel | 3-6,6-2,3-6 |
| Challenger Charlottesville | 2017/11/03 17:30 | Roelofse, Ruan v Michael Mmoh | 6-7,4-6 |
| Challenger Charlottesville | 2017/11/02 20:10 | Cameron Norrie v Roelofse, Ruan | 6-7,2-6 |