Round: 62 Ground: Clay
| ITF USA F12 Qual | 2017/04/03 16:45 | Ryan Haviland v Lammons, Nathaniel | 6-7,6-1,6-3 |
| ITF USA F11 Qual | 2017/03/18 16:00 | Lammons, Nathaniel v Iftikhar, Samir | 1-6,7-5,3-6 |
| ITF USA F10 | 2017/03/16 02:10 | Kimmer Coppejans v Lammons, Nathaniel | 6-3,6-4 |
| ITF USA F10 Qual | 2017/03/13 20:30 | Lammons, Nathaniel v Hudson, Oliver | 0-6,6-0,7-6 |
| ITF USA F10 Qual | 2017/03/11 19:00 | Lammons, Nathaniel v Riechmann, Michael | 6-7,6-3,6-2 |
| Canada F2, Singles | 2017/03/08 21:00 | Felix Auger Aliassime v Lammons, Nathaniel | 6-3,6-3 |
| ITF Canada F2 Qual | 2017/03/06 17:00 | Lin, Winston v Lammons, Nathaniel | 2-6,7-6,6-4 |
| ITF Canada F2 Qual | 2017/03/05 14:30 | Damov, Kamen v Lammons, Nathaniel | 4-6,4-6 |
| ITF USA F13 Qual | 2017/04/09 15:00 | Kylar, Kevin v Haworth, Christopher G | 4-6,4-6 |
| ITF USA F13 Qual | 2017/04/08 16:00 | Haworth, Christopher G v Wattanakul, Pol | 3-6,7-6,6-1 |
| ITF USA F12 Qual | 2017/04/02 14:00 | Haworth, Christopher G v Chang, Jonathan | 6-7,3-6 |
| ITF USA F12 Qual | 2017/04/01 13:30 | Davidson, Patrick v Haworth, Christopher G | 3-6,3-6 |