Round: 26 Ground: Hardcourt outdoor
| ITF Thailand F9 | 2015/06/27 03:00 | Rungkat, Christopher v Sekiguchi, Shuichi | 6-4,6-3 |
| ITF Thailand F9 | 2015/06/26 03:00 | Sekiguchi, Shuichi v Na, Jung-Woong | 6-4,6-3 |
| ITF Thailand F9 | 2015/06/25 03:00 | Sekiguchi, Shuichi v Singh, Karunuday | 6-0,6-2 |
| ITF Thailand F9 | 2015/06/24 05:00 | Sekiguchi, Shuichi v Sornbutnark, Warit | 6-4,6-3 |
| ITF Thailand F9 | 2015/06/22 04:15 | Sekiguchi, Shuichi v Kim, Woo-Ram | 6-2,3-6,6-1 |
| 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 |
| Challenger San Benedetto | 2015/07/17 15:30 | Salvatore Caruso v Donati, Matteo | 3-6,6-4,7-5 |
| Challenger San Benedetto | 2015/07/14 17:00 | Donati, Matteo v Vanni, Luca | 7-6,7-5 |
| Challenger Todi | 2015/07/11 17:00 | Donati, Matteo v Nicolas Kicker | 6-7,6-4,3-6 |
| Challenger Todi | 2015/07/10 15:30 | Arnaboldi, Andrea v Donati, Matteo | 6-7,4-6 |
| Challenger Todi | 2015/07/09 18:35 | Donati, Matteo v Lucas Pouille | 7-5,4-6,6-3 |
| Challenger Todi | 2015/07/08 16:00 | Donati, Matteo v Renzo Olivo | 2-6,7-6,6-3 |
| Challenger Todi Qual | 2015/07/06 15:15 | Donati, Matteo v Salvatore Caruso | 7-6,6-4 |
| Wimbledon Qual | 2015/06/25 10:00 | Hiroki Moriya v Donati, Matteo | 6-4,6-3,6-2 |