Stadium: Court 8 Round: 62 Ground: Hardcourt outdoor
| ITF USA F21 Qual | 2018/07/28 14:00 | Colin Markes v Huang, Austen | 6-3,6-1 |
| ITF USA F20 | 2018/07/24 17:00 | Colin Markes v Ortlip, Joshua | 4-6,2-6 |
| ITF USA F20 Qual | 2018/07/23 15:00 | Colin Markes v Solomon, Yuval | 6-1,6-4 |
| ITF USA F20 Qual | 2018/07/22 15:00 | Colin Markes v Rollins, Pierce | 6-3,6-7,6-3 |
| ITF Canada F5 | 2018/07/05 22:25 | Lucas Miedler v Colin Markes | 6-3,6-3 |
| ITF Canada F5 | 2018/07/03 18:10 | Lu, Tyler v Colin Markes | 1-6,6-3,4-6 |
| ITF Canada F5 Qual | 2018/07/02 17:35 | Bradley, Julian v Colin Markes | 5-7,3-6 |
| ITF Canada F4 | 2018/06/29 17:00 | Sigouin, Benjamin v Colin Markes | 6-2,7-6 |
| ITF USA F21 Qual | 2018/07/30 15:00 | Genesen, William v Garrett Johns | 6-2,6-0 |
| ITF USA F21 Qual | 2018/07/28 14:00 | Evan Bynoe v Genesen, William | 6-7,1-6 |
| ITF USA F20 Qual | 2018/07/21 15:00 | Brooksby, Jenson v Genesen, William | 6-4,6-1 |
| ITF USA F19 Qual | 2018/06/30 13:00 | Stalder, Reese v Genesen, William | 7-5,6-3 |
| ITF USA F17 Qual | 2018/06/23 15:30 | Genesen, William v Boyer, Toby D | 1-6,7-5,0-6 |
| ITF Finland F2 Qual | 2017/08/07 09:30 | Genesen, William v Virtanen, Panu | 7-5,4-6,3-6 |
| ITF Finland F2 Qual | 2017/08/05 07:00 | Genesen, William v Saatela, Leevi | 6-3,6-3 |
| ITF Finland F1 Qual | 2017/07/30 11:45 | Malbasic, Filip v Genesen, William | 3-6,7-6,6-2 |