| Challenger Seoul Qual | 2018/04/28 01:30 | Daniel Yoo v Ji Sung Nam | 2-6,2-6 |
| ITF Turkey F5 | 2018/02/06 08:30 | Ji Hoon Son v Ji Sung Nam | 4-6,7-6,6-1 |
| ITF Turkey F5 | 2018/02/05 07:30 | Ji Sung Nam v Yuichiro Inui | 7-5,6-0 |
| ITF Turkey F5 | 2018/02/04 07:30 | Ji Sung Nam v Ki Su Jung | 7-6,6-3 |
| ITF Turkey F4 | 2018/01/29 08:00 | Ji Sung Nam v Dan Dowson | 7-5,6-7,4-6 |
| ITF Turkey F4 | 2018/01/28 07:30 | Ji Sung Nam v Sorin Andrei Iordache | 6-2,6-4 |
| ITF Thailand F12 | 2017/12/14 03:30 | Renta Tokuda v Ji Sung Nam | 6-3,6-2 |
| ITF Thailand F12 | 2017/12/13 04:30 | Ji Sung Nam v Daniel Altmaier | 7-5,6-2 |
| ITF Australia F4 | 2018/03/30 00:00 | Blake Ellis v Max Purcell | 1-6,3-6 |
| ITF Australia F4 | 2018/03/29 00:00 | Blake Ellis v Stephen Kaldawi | 6-3,7-5 |
| ITF Australia F4 | 2018/03/27 03:20 | Blake Ellis v Zac Osborne | 6-4,6-4 |
| ITF Australia F3 | 2018/03/23 03:40 | Jeremy Beale v Blake Ellis | 6-0,6-3 |
| ITF Australia F3 | 2018/03/22 02:05 | Matthew Dellavedova v Blake Ellis | 6-7,3-6 |
| ITF Australia F3 | 2018/03/20 00:50 | Chanchai Sookton-Eng v Blake Ellis | 2-6,2-6 |
| Challenger Zhuhai Qual | 2018/03/03 07:20 | Martins Podzus v Blake Ellis | 6-3,6-3 |
| Challenger - Yokohama | 2018/02/27 01:00 | Blake Ellis v Cem Ilkel | 3-6,4-6 |