Stadium: Court 7 Round: 62 Ground: Hardcourt outdoor
| ITF China F9 | 2018/07/05 03:00 | Hao Wu v Young-Hoon Jeong | 6-7,6-0,6-2 |
| ITF China F9 | 2018/07/03 09:45 | Bang Shuo Yin v Young-Hoon Jeong | 0-6,2-6 |
| ITF Korea F3 Qual | 2018/06/18 01:00 | Young-Hoon Jeong v Geun Jun Kim | 4-6,4-6 |
| ITF Korea F3 Qual | 2018/06/17 03:00 | Young-Hoon Jeong v Jae Won Yun | 6-2,6-2 |
| ITF Korea F3 Qual | 2018/06/16 02:00 | Young-Hoon Jeong v Sung Jun Park | 6-3,6-3 |
| ITF Korea F1 | 2018/06/08 02:00 | Jeamoon Lee v Young-Hoon Jeong | 6-1,6-4 |
| ITF Korea F1 | 2018/06/07 04:00 | Hyeong Jin Cho v Young-Hoon Jeong | 0-6,1-6 |
| ITF Korea F1 | 2018/06/06 01:00 | Young-Hoon Jeong v Seong Chan Hong | 1-6,6-3,6-2 |
| ITF China F10 Qual | 2018/07/07 02:00 | Leo Tang v David Barclay | 1-6,0-6 |
| ITF China F9 Qual | 2018/07/01 02:00 | David Barclay v Kousuke Ogura | 6-4,1-6,3-6 |
| ITF China F9 Qual | 2018/06/30 02:00 | David Barclay v Jiaqi Duan | 6-1,6-4 |
| ITF Guam F1 | 2018/06/21 00:00 | Yuichi Ito v David Barclay | 6-2,6-2 |
| ITF Guam F1 | 2018/06/20 00:00 | Keisuke Numajiri v David Barclay | 6-1,2-6,2-6 |
| ITF Japan F8 | 2018/06/09 01:00 | Yutaro Matsuzaki v David Barclay | 1-6,6-4,6-3 |
| ITF Japan F7 Qual | 2018/06/03 01:00 | Kazuki Shimizu v David Barclay | 6-0,6-4 |
| ITF Japan F6 Qual | 2018/04/08 01:00 | Takuya Kumasaka v David Barclay | 5-7,6-3,6-1 |