Round: 44 Ground: Hardcourt outdoor
| ITF Thailand F9 | 2018/11/10 02:00 | Chanchai Sookton-Eng v Yeongseok Jeong | 3-6,0-6 |
| ITF Thailand F8 | 2018/11/04 06:00 | Yeongseok Jeong v Dusty H. Boyer | 2-6,4-6 |
| ITF Thailand F8 | 2018/11/03 06:00 | Yeongseok Jeong v Natthasith Kunsuwan | 6-2,4-6,6-4 |
| ITF Korea F6 | 2018/08/31 06:00 | Lucas Catarina v Yeongseok Jeong | 3-6,6-2,6-2 |
| ITF Korea F6 | 2018/08/30 04:50 | Chan-Yeong Oh v Yeongseok Jeong | 6-2,4-6,2-6 |
| ITF Korea F6 | 2018/08/28 02:00 | Yeongseok Jeong v Young-Hoon Jeong | 7-5,7-6 |
| ITF Korea F5 | 2018/08/21 03:00 | Hong Chung v Yeongseok Jeong | 6-1,7-6 |
| Challenger Gwangju | 2018/08/13 06:30 | Yeongseok Jeong v Rubin Statham | 4-6,0-6 |
| ITF Thailand F8 | 2018/11/06 03:15 | Roman Safiullin v Thanapet Chanta | 6-3,6-2 |
| ITF Thailand F7 | 2018/10/31 02:00 | Thanapet Chanta v Pruchya Isarow | 3-6,1-6 |
| ITF Thailand F7 | 2018/10/30 02:00 | Neil Pauffley v Thanapet Chanta | 6-1,1-6,1-6 |
| ITF Thailand F7 | 2018/10/28 03:00 | Noppadol Noikor v Thanapet Chanta | 6-4,4-6,2-6 |
| ITF Thailand F5 | 2018/09/30 02:30 | Daisuke Sumizawa v Thanapet Chanta | 2-6,7-5,6-2 |
| ITF Thailand F4 | 2018/09/22 04:30 | Thanapet Chanta v Liran Chen | 6-7,5-7 |
| ITF Thailand F3 | 2018/09/05 02:00 | Thomas Fancutt v Thanapet Chanta | 6-2,6-4 |
| ITF Thailand F3 | 2018/09/03 06:00 | Lance-Pierre Du Toit v Thanapet Chanta | 4-6,3-6 |