Stadium: Court 1 Round: 46
| Challenger Busan Qual | 2018/05/12 02:50 | Rubin Statham v Min Gyo Seo | 6-1,6-0 |
| Challenger Gimcheon | 2018/05/08 02:00 | Rubin Statham v Go Soeda | 2-6,6-3,4-6 |
| Challenger Puerto Vallarta | 2018/04/30 20:25 | Rubin Statham v Jose Hernandez-Fernandez | 2-6,4-6 |
| Challenger Leon | 2018/04/25 18:00 | Rubin Statham v Roberto Quiroz | 6-3,6-7,2-6 |
| Challenger Leon | 2018/04/24 15:00 | Marcelo Arevalo v Rubin Statham | 5-7,6-4,2-6 |
| Challenger Leon Qual | 2018/04/23 16:00 | Rubin Statham v Tobias Simon | 7-6,6-3 |
| Challenger Leon Qual | 2018/04/22 17:30 | Rubin Statham v Franco Agamenone | 7-6,6-2 |
| Challenger Leon Qual | 2018/04/21 19:00 | Rubin Statham v Pavel Krainik | 6-4,6-3 |
| Challenger Busan Qual | 2018/05/12 01:00 | Dong Ju Kim v Tae-Woo Lee | 4-6,4-6 |
| Challenger Gimcheon Qual | 2018/05/05 02:50 | Tae-Woo Lee v Makoto Ochi | 4-6,1-6 |
| Challenger Seoul Qual | 2018/04/28 03:05 | Jung-Woong Na v Tae-Woo Lee | 6-1,6-3 |
| ITF Japan F4 | 2018/03/24 00:00 | Tae-Woo Lee v Tamaki Yamao | 1-6,4-6 |
| ITF Japan F3 | 2018/03/19 02:40 | Tae-Woo Lee v Kaito Uesugi | 3-6,3-6 |
| ITF Japan F2 | 2018/03/12 02:30 | Tung-Lin Wu v Tae-Woo Lee | 6-1,6-1 |
| ITF Turkey F6 | 2018/02/15 09:10 | Jordi Samper-Montana v Tae-Woo Lee | 6-1,6-0 |
| ITF Turkey F6 | 2018/02/14 12:20 | Thomas Statzberger v Tae-Woo Lee | 2-6,6-3,4-6 |