Stadium: Court 1 Round: 26 Ground: Clay
| ITF USA F13 | 2018/06/13 18:55 | Skander Mansouri v Shi, Brian | 2-6,6-7 |
| ITF USA F13 Qual | 2018/06/11 18:05 | Shi, Brian v Drew Van Orderlain | 6-3,6-2 |
| ITF USA F13 Qual | 2018/06/10 14:00 | Shi, Brian v Shelton, Robert | 6-1,6-2 |
| ITF USA F13 Qual | 2018/06/09 15:30 | Riffice, Sam v Shi, Brian | 5-7,3-6 |
| ITF Mexico F3 | 2018/05/25 01:20 | El Midhawy, Adam v Shi, Brian | 6-3,6-4 |
| ITF Mexico F3 | 2018/05/24 00:00 | Shi, Brian v Brymer, Gage | 5-7,6-3,6-2 |
| ITF Mexico F3 | 2018/05/22 19:30 | Shi, Brian v Mendoza, Alejandro | 6-3,6-2 |
| ITF Mexico F3 | 2018/05/21 14:00 | Shi, Brian v Rowland Phillips | 3-6,6-4,6-2 |
| ITF USA F13 | 2018/06/13 16:05 | Mantilla, Felipe v Aragone, JC | 6-3,6-7,7-6 |
| ITF Mexico F2 | 2018/05/15 22:30 | Mantilla, Felipe v Lopez Villasenor, Gerardo | 6-4,5-7,6-7 |
| ITF Mexico F1 | 2018/05/07 18:00 | Mantilla, Felipe v Ore, I. A. | 6-7,2-6 |
| Puerto Vallarta, Mexico | 2018/05/02 20:35 | Menendez-Maceiras, Adrian v Mantilla, Felipe | 4-6,7-5,6-2 |
| Puerto Vallarta, Mexico | 2018/05/01 19:05 | Klein, Brydan v Mantilla, Felipe | 4-6,7-6,1-6 |
| Challenger Puerto Vallarta Qual | 2018/04/29 17:40 | Hach Verdugo, Hans v Mantilla, Felipe | 6-2,1-6,5-7 |
| Challenger Puerto Vallarta Qual | 2018/04/28 21:00 | Ruiz-Rosales, Antonio v Mantilla, Felipe | 2-6,4-6 |
| Challenger Leon Qual | 2018/04/22 16:00 | Mantilla, Felipe v Simon, Tobias | 5-7,3-6 |