Ground: Hardcourt outdoor
| ITF Thailand F9 | 2015/06/20 03:00 | Takeuchi, Kento (1987) v Sekiguchi, Shuichi | 1-6,2-6 |
| ITF Thailand F9 | 2015/06/19 03:00 | Toshihide Matsui v Sekiguchi, Shuichi | 4-6,4-6 |
| ITF Thailand F9 | 2015/06/17 03:30 | Onishi, Ken v Sekiguchi, Shuichi | 3-6,3-6 |
| ITF Thailand F9 | 2015/06/16 08:10 | Bodhidatta, Punn v Sekiguchi, Shuichi | 2-6,1-6 |
| ITF Japan F6 | 2015/06/10 03:10 | Sasai, Masaki v Sekiguchi, Shuichi | 7-6,7-5 |
| ITF Indonesia F3 | 2015/04/15 03:00 | Sekiguchi, Shuichi v Tearney, Finn | 6-7,6-3,6-7 |
| ITF Indonesia F2 | 2015/04/11 04:00 | Tearney, Finn v Sekiguchi, Shuichi | 0-6,1-6 |
| ITF Indonesia F2 | 2015/04/10 06:30 | Patrombon, Jeson v Sekiguchi, Shuichi | 2-6,0-6 |
| ITF Hong Kong F3 | 2014/07/21 04:55 | Kim, Woo-Ram v Song, Min-Kyu | 5-7,2-6 |
| ITF Hong Kong F2 | 2014/07/15 02:00 | Shiga, Masato v Kim, Woo-Ram | 7-6,6-4 |
| ITF Korea F1 | 2014/04/23 03:35 | Arevalo-Gonzalez, Marcelo v Kim, Woo-Ram | 1-6,6-3,6-4 |