Stadium: Court 4 Round: 25 Ground: Hardcourt indoor
| Challenger Drummondville | 2020/02/20 16:55 | Christopher O'Connell v Ji Sung Nam | 6-1,4-6,6-4 |
| Challenger Drummondville | 2020/02/19 18:00 | Evan Song v Ji Sung Nam | 2-6,1-6 |
| Challenger Cleveland | 2020/02/11 19:50 | Ji Sung Nam v Raymond Sarmiento | 3-6,2-6 |
| Australian Open | 2020/01/14 01:25 | Frederico Ferreira Silva v Ji Sung Nam | 2-6,6-4,6-4 |
| Challenger Noumea | 2020/01/07 00:00 | Joao Menezes v Ji Sung Nam | 4-6,6-1,6-3 |
| Challenger Noumea | 2020/01/05 23:30 | Ji Sung Nam v Tung-Lin Wu | 6-4,3-6,6-3 |
| Australian Open WC | 2019/12/06 03:55 | Ji Sung Nam v Tatsuma Ito | 6-3,1-6,1-6 |
| Australian Open WC | 2019/12/04 03:50 | Bu Yunchaokete v Ji Sung Nam | 4-6,0-6 |
| Challenger Columbus | 2020/02/24 22:05 | Lloyd Glasspool v Cannon Kingsley | 7-6,6-3 |
| Challenger Drummondville | 2020/02/18 15:00 | Lloyd Glasspool v Vasil Kirkov | 6-7,6-3,0-6 |
| ITF M25 Rancho Santa Fe | 2020/01/15 17:25 | Juan Manuel Cerundolo v Lloyd Glasspool | 1-6,6-2,6-4 |
| Challenger Ann Arbor | 2020/01/06 15:25 | Lloyd Glasspool v John McNally | 4-6,1-6 |
| Challenger Champaign | 2019/11/14 19:25 | Lloyd Glasspool v Blaz Kavcic | 5-7,6-7 |
| Challenger Champaign | 2019/11/12 20:40 | Kaichi Uchida v Lloyd Glasspool | 5-7,6-7 |
| Challenger Champaign | 2019/11/11 18:15 | Lloyd Glasspool v Michael Geerts | 3-6,6-3,6-2 |
| Challenger Knoxville | 2019/11/06 16:30 | Lloyd Glasspool v Brandon Nakashima | 6-7,6-3,6-7 |