Stadium: Court 17 Round: 62 Ground: Hardcourt outdoor
| ITF Mexico F2 | 2018/05/12 15:00 | Lamble, John v Hastings Fernandez Oro, Alejandro | 6-2,6-1 |
| ITF Mexico F1 | 2018/05/09 19:15 | Krainik, Pavel v Lamble, John | 4-6,7-5,6-2 |
| ITF Mexico F1 | 2018/05/08 19:40 | Alejandro H Franco v Lamble, John | 0-6,6-2,2-6 |
| ITF USA F12 | 2018/04/24 16:30 | Alejandro Tabilo v Lamble, John | 7-6,6-4 |
| ITF USA F11 | 2018/04/17 14:00 | Lamble, John v El Midhawy, Adam | 6-7,1-6 |
| ITF USA F10 Qual | 2018/04/08 16:00 | Lamble, John v Shabaz, Michael | 3-6,4-6 |
| ITF USA F8 Qual | 2018/03/17 17:00 | Bangoura, Sekou v Lamble, John | 5-7,6-0,6-1 |
| ITF Tunisia F8 | 2018/02/25 08:30 | Lamble, John v Arthur Reymond | 2-6,6-4,2-6 |
| ITF Mexico F1 | 2018/05/08 18:25 | Ruiz Velasco, Santiago v Endara, Ivan | 3-6,0-6 |
| ITF Mexico F1 | 2018/05/07 15:00 | Ruiz Velasco, Santiago v Ortiz, Ricardo | 7-6,6-2 |
| ITF Mexico F1 | 2018/05/06 16:00 | Rosas-Zarur, Raul-Isaias v Ruiz Velasco, Santiago | 6-3,3-6,6-7 |
| Challenger Puerto Vallarta Qual | 2018/04/28 19:05 | Ruiz Velasco, Santiago v Gonzalez-Aramburu, Alvaro | 6-7,6-7 |
| ITF Mexico F2 | 2015/05/02 18:00 | Reyes, Nicholas Alexander v Ruiz Velasco, Santiago | 6-0,6-4 |