Stadium: Court 4 Round: 44 Ground: Hardcourt indoor
| ITF Canada F1 | 2018/02/27 16:00 | Deiton Baughman v Frederik Nielsen | 6-3,6-3 |
| ITF Great Britain F3 | 2018/02/14 13:40 | Ronnie Schneider v Frederik Nielsen | 6-2,6-4 |
| ITF Great Britain F3 | 2018/02/13 14:55 | Frederik Nielsen v Yannick Jankovits | 6-2,3-6,6-3 |
| ITF Great Britain F2 | 2018/02/09 10:00 | Frederik Nielsen v Maximilian Neuchrist | 2-6,3-6 |
| ITF Great Britain F2 | 2018/02/08 11:30 | Neil Pauffley v Frederik Nielsen | 4-6,5-7 |
| ITF Great Britain F2 | 2018/02/07 10:00 | Frederik Nielsen v Nicholas S. Hu | 3-6,6-4,7-6 |
| Davis Cup | 2018/02/04 11:40 | Frederik Nielsen v Peter Bothwell | 6-1,6-1 |
| Davis Cup | 2018/02/03 11:00 | Frederik Nielsen v Simon Carr | 6-3,7-6 |
| ITF Canada F2 Qual | 2018/03/03 15:00 | Luis David Martinez v Antoine Leduc | 6-2,6-4 |
| Challenger Morelos Qual | 2018/02/17 21:00 | Luis David Martinez v Federico Zeballos | 6-3,6-3 |
| Challenger Morelos Qual | 2018/02/17 17:40 | Bernardo Saraiva v Luis David Martinez | 4-6,4-6 |
| ITF USA F3 | 2018/01/10 18:10 | Luis David Martinez v Strong Kirchheimer | 2-6,2-6 |
| Challenger Champaign Qual | 2017/11/13 16:00 | Luis David Martinez v Samuel Monette | 1-6,1-6 |
| Challenger Champaign Qual | 2017/11/11 16:00 | Henry Craig v Luis David Martinez | 4-6,6-7 |
| Challenger Charlottesville Qual | 2017/10/28 17:20 | Luis David Martinez v Mikael Ymer | 1-6,2-6 |
| Challenger Las Vegas Qual | 2017/10/15 19:30 | Jan Choinski v Luis David Martinez | 7-5,6-1 |