Round: 25 Ground: Hardcourt outdoor
| Challenger Shanghai Qual | 2016/09/05 02:00 | Edan Leshem v Shuichi Sekiguchi | 4-6,4-6 |
| Challenger Shanghai Qual | 2016/09/04 03:45 | Xi Qi v Shuichi Sekiguchi | 4-6,2-6 |
| Challenger Bangkok 4 | 2016/08/30 09:15 | Shuichi Sekiguchi v Zhe Li | 6-7,3-6 |
| Challenger Astana 2 | 2016/07/25 09:25 | Shuichi Sekiguchi v Miki Jankovic | 1-6,2-6 |
| ITF Japan F6 | 2016/06/04 01:00 | Shuichi Sekiguchi v Yasutaka Uchiyama | 3-6,3-6 |
| ITF Japan F6 | 2016/06/03 03:15 | Yuichi Ito v Shuichi Sekiguchi | 1-6,2-6 |
| ITF Japan F6 | 2016/06/01 01:00 | Evan Song v Shuichi Sekiguchi | 3-6,1-6 |
| ITF Japan F6 | 2016/05/31 07:40 | Ryota Kishi v Shuichi Sekiguchi | 3-6,2-6 |
| Challenger Bangkok 4 | 2016/09/03 05:40 | Blaz Kavcic v Norbert Gombos | 6-4,7-6 |
| Challenger Bangkok 4 | 2016/09/02 05:55 | Yuya Kibi v Blaz Kavcic | 2-6,2-6 |
| Challenger Bangkok 4 | 2016/08/31 06:40 | Blaz Kavcic v Amir Weintraub | 6-4,6-3 |
| Challenger Bangkok 4 | 2016/08/30 07:40 | Blaz Kavcic v Yasutaka Uchiyama | 7-5,6-4 |
| US Open Qual | 2016/08/25 21:15 | Steven Diez v Blaz Kavcic | 1-6,6-2,6-4 |
| US Open Qual | 2016/08/24 16:10 | Blaz Kavcic v Austin Krajicek | 7-5,7-6 |
| Challenger Astana 2 | 2016/07/28 06:50 | Blaz Kavcic v Konstantin Kravchuk | 4-6,7-5,3-6 |
| Challenger Astana 2 | 2016/07/26 08:45 | Blaz Kavcic v Dzmitry Zhyrmont | 6-2,6-2 |