Stadium: Court 4 Round: 62 Ground: Clay
| ITF USA F12 | 2018/04/20 16:00 | Allen, Leighton v Pratt, Jared | 1-6,1-6 |
| ITF Mexico F3 | 2018/05/22 17:55 | Panta Herreros, Jorge Brian v Mcmann, Conner | 6-1,6-1 |
| ITF Mexico F3 | 2018/05/21 14:00 | Mcmann, Conner v Lam, Brandon | 7-5,4-6,6-3 |
| ITF Mexico F3 | 2018/05/20 14:30 | Rosas-Zarur, Raul-Isaias v Mcmann, Conner | 5-7,2-6 |
| ITF Mexico F2 | 2018/05/12 15:00 | Mcmann, Conner v Every, Michael-John | 0-6,6-7 |
| ITF Mexico F1 | 2018/05/05 16:00 | Sepulveda, Marcelo v Mcmann, Conner | 4-6,6-3,6-1 |
| ITF USA F12 | 2018/04/20 18:00 | Greif, Lukas v Mcmann, Conner | 6-3,6-0 |
| ITF USA F11 | 2018/04/13 16:00 | Karl Poling v Mcmann, Conner | 6-1,6-1 |
| ITF USA F9 Qual | 2018/03/31 14:00 | Strong Kirchheimer v Mcmann, Conner | 6-2,6-3 |