Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| ITF Canada F5 Qual | 2018/07/02 16:00 | Griffith, William v Lunn, Justin | 6-0,6-1 |
| ITF Canada F5 Qual | 2018/06/30 16:00 | Justin Roberts v Griffith, William | 4-6,6-4,1-6 |
| ITF Canada F4 Qual | 2018/06/25 21:30 | Griffith, William v Bradley, Julian | 3-6,6-2,6-7 |
| ITF Canada F4 Qual | 2018/06/24 17:00 | Torres, Richard v Griffith, William | 3-6,1-6 |
| ITF Canada F4 Qual | 2018/06/23 17:00 | Ronald Hohmann v Griffith, William | 4-6,6-3,1-6 |
| USA F34, Singles | 2016/10/26 20:15 | Griffith, William v Michael Zhu | 3-6,4-6 |
| ITF USA F33 Qual | 2016/10/18 16:00 | Smith, Austin v Griffith, William | 7-5,4-6,6-4 |
| ITF USA F33 Qual | 2016/10/17 21:00 | Griffith, William v Kumthonkittikul, W. | 6-1,6-4 |
| ITF Canada F5 Qual | 2018/07/02 18:50 | Brymer, Gage v Mohanty, Arsav | 6-2,6-2 |
| ITF Canada F4 Qual | 2018/06/25 17:00 | Taha Baadi v Brymer, Gage | 7-6,2-6,6-3 |
| ITF USA F15 Qual | 2018/06/18 17:05 | Johnson, Trevor Allen v Brymer, Gage | 6-1,2-6,7-6 |
| ITF USA F15 Qual | 2018/06/17 14:00 | Brymer, Gage v Osgar O'Hoisin | 6-4,6-7,7-6 |
| ITF USA F13 | 2018/06/12 14:00 | Marcos Giron v Brymer, Gage | 6-3,6-3 |
| ITF USA F13 Qual | 2018/06/11 14:00 | Brymer, Gage v Bryde, Trent | 6-3,6-3 |
| ITF USA F13 Qual | 2018/06/10 14:00 | Cungu, Rrezart v Brymer, Gage | 5-7,3-6 |
| ITF USA F13 Qual | 2018/06/09 13:00 | Brymer, Gage v Nava, Eduardo | 6-2,7-5 |