Stadium: North Court 5 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2019/05/27 18:00 | Valencia, Alejandro v Preston Brown | 3-6,6-4,10-3 |
| ITF M15 Cancun | 2019/05/27 15:30 | Sikman, Philip v Preston Brown | 1-6,2-6 |
| ITF M15 Cancun | 2019/05/20 13:30 | Smith, Errol v Preston Brown | 4-6,6-1,10-8 |
| ITF M15 Cancun | 2019/05/13 13:30 | Preston Brown v Jesse Flores | 4-6,4-6 |
| Bucaramanga, Singles M-ITF-COL-01A | 2019/04/23 14:30 | Preston Brown v Conner Huertas Del Pino | 3-6,2-6 |
| ITF M15 Guayaquil | 2019/04/17 14:30 | Estevez Maximiliano v Preston Brown | 6-4,6-2 |
| Tel Aviv, Singles Qualifying M-ITF-ISR-01A | 2019/03/26 10:00 | Ugo Blanchet v Preston Brown | 6-4,6-4 |
| Tel Aviv, Singles Qualifying M-ITF-ISR-01A | 2019/03/26 07:30 | Wertheimer, Dor Yakob v Preston Brown | 7-5,3-6,6-10 |
| Challenger Champaign | 2018/11/11 16:00 | Gomes, Gui v Alafia Ayeni | 3-6,2-6 |
| Challenger Champaign | 2018/11/10 16:00 | Gomes, Gui v Hiltzik, Aron | 2-6,6-4,6-4 |
| ITF USA F19 Qual | 2017/06/19 14:00 | Kirkov, Vasil v Gomes, Gui | 6-1,6-3 |
| ITF USA F19 Qual | 2017/06/18 13:00 | Dill, Morgan v Gomes, Gui | 1-6,5-7 |
| ITF USA F2 Qual | 2017/01/08 19:00 | Gomes, Gui v Lucas Renard | 3-6,5-7 |
| ITF USA F1 Qual | 2016/12/31 16:00 | Gomes, Gui v Smith, Tanner K | 4-6,4-6 |
| Challenger Champaign Qual | 2016/11/13 17:50 | Vorster, Tucker v Gomes, Gui | 6-2,6-1 |
| Challenger Champaign Qual | 2016/11/12 19:55 | Lawson, Alex v Gomes, Gui | 5-7,3-6 |