Stadium: Center Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Binghamton | 2018/07/25 14:30 | Jay Clarke v Yunseong Chung | 6-1,7-6 |
| Challenger Gatineau | 2018/07/18 17:20 | Bradley Klahn v Yunseong Chung | 7-5,6-4 |
| Challenger Gatineau | 2018/07/17 20:55 | Yunseong Chung v Mitchell Krueger | 7-6,6-4 |
| Challenger Gatineau Qual | 2018/07/16 16:30 | Justin Boulais v Yunseong Chung | 2-6,1-6 |
| Challenger Gatineau Qual | 2018/07/15 18:50 | Alejandro Gomez v Yunseong Chung | 3-6,6-7 |
| Challenger Gatineau Qual | 2018/07/14 17:50 | Tyler Lu v Yunseong Chung | 6-3,3-6,4-6 |
| Challenger Winnipeg | 2018/07/12 20:00 | Yunseong Chung v Go Soeda | 2-6,6-2,4-6 |
| Challenger Winnipeg | 2018/07/10 18:20 | David Volfson v Yunseong Chung | 3-6,3-6 |
| ITF USA F19 | 2018/07/03 13:30 | William Bushamuka v Ryan Peniston | 0-6,1-6 |
| ITF Zimbabwe F3 | 2018/06/13 07:00 | Isaac Stoute v William Bushamuka | 6-0,6-1 |
| ITF Zimbabwe F3 | 2018/06/11 09:00 | Sean Hodkin v William Bushamuka | 4-6,2-6 |
| ITF Zimbabwe F2 | 2018/06/07 07:30 | Frederik Press v William Bushamuka | 6-2,7-6 |
| ITF Zimbabwe F2 | 2018/06/06 09:05 | William Bushamuka v Mark Chigaazira | 6-3,6-4 |
| ITF Zimbabwe F2 Qual | 2018/06/04 08:00 | William Bushamuka v Anze Loviscek | 6-0,6-0 |
| ITF Zimbabwe F2 Qual | 2018/06/03 08:00 | William Bushamuka v Niclas Genovese | 6-4,6-2 |
| ITF Zimbabwe F1 | 2018/05/29 08:40 | Benjamin Lock v William Bushamuka | 6-2,6-7,6-4 |