Stadium: C Round: 46 Ground: Hardcourt outdoor
| Challenger Cary | 2018/09/08 23:10 | Thai-Son Kwiatkowski v Mikael Torpegaard | 6-7,7-6,6-2 |
| Challenger Chicago | 2018/09/05 19:15 | Kaichi Uchida v Thai-Son Kwiatkowski | 6-1,6-3 |
| US Open | 2018/08/23 23:00 | Mitchell Krueger v Thai-Son Kwiatkowski | 3-6,7-6,7-5 |
| US Open | 2018/08/22 16:30 | Thai-Son Kwiatkowski v Sergiy Stakhovsky | 6-4,3-6,6-1 |
| Challenger Vancouver | 2018/08/14 21:25 | Lloyd Harris v Thai-Son Kwiatkowski | 6-3,6-4 |
| Challenger Vancouver | 2018/08/13 20:35 | Vincent Millot v Thai-Son Kwiatkowski | 4-6,0-6 |
| Challenger Vancouver | 2018/08/12 23:10 | Thai-Son Kwiatkowski v Alexander Ward | 6-2,6-0 |
| Challenger Vancouver | 2018/08/11 18:20 | Thai-Son Kwiatkowski v Henry Craig | 6-4,6-1 |
| Challenger Cary | 2018/09/08 21:10 | Petros Chrysochos v Robert Maciag | 6-2,6-1 |
| ATP Winston-Salem | 2018/08/18 21:30 | Radu Albot v Petros Chrysochos | 6-3,6-2 |
| ITF USA F20 | 2018/07/28 23:00 | Mohamed Aziz Dougaz v Petros Chrysochos | 7-6,6-4 |
| ITF USA F20 | 2018/07/27 22:45 | Sebastian Korda v Petros Chrysochos | 2-6,6-7 |
| ITF USA F20 | 2018/07/26 23:00 | Ezekiel Clark v Petros Chrysochos | 6-1,2-6,1-6 |
| ITF USA F20 | 2018/07/25 17:20 | Jonathan Chang v Petros Chrysochos | 0-6,6-3,4-6 |
| ITF USA F20 | 2018/07/24 21:00 | Aleksandar Kovacevic v Petros Chrysochos | 5-7,3-6 |
| ITF USA F19B | 2018/07/19 18:35 | Nick Chappell v Petros Chrysochos | 6-4,4-6,6-3 |