Round: 44 Ground: Hardcourt outdoor
| ITF Turkey F19 Qual | 2016/05/08 10:00 | Keisuke Numajiri v Polat Gulcur | 6-2,6-1 |
| ITF Turkey F18 | 2016/05/05 09:30 | Keisuke Numajiri v Marc Sieber | 0-6,2-6 |
| ITF Turkey F18 | 2016/05/03 10:00 | Soichiro Moritani v Keisuke Numajiri | 6-4,4-6,3-6 |
| ITF Turkey F18 | 2016/05/02 08:00 | Keisuke Numajiri v Marko Osmakcic | 7-5,7-5 |
| ITF Turkey F17 | 2016/04/28 10:00 | Miliaan Niesten v Keisuke Numajiri | 6-2,6-1 |
| ITF Turkey F17 | 2016/04/27 09:25 | Keisuke Numajiri v Sefa Suluoglu | 6-2,6-1 |
| ITF Turkey F17 | 2016/04/25 08:00 | Soichiro Moritani v Keisuke Numajiri | 1-6,2-6 |
| ITF Japan F4 | 2016/03/28 01:00 | Jumpei Yamasaki v Keisuke Numajiri | 6-4,6-4 |
| ITF Turkey F18 | 2016/05/01 10:00 | Jamie Asanee Praditngam v Yuichiro Inui | 7-5,6-2 |
| ITF Turkey F17 | 2016/04/24 08:00 | Tadas Tarasevicius v Yuichiro Inui | 6-4,5-7,6-2 |
| ITF Japan F1 | 2016/03/05 03:00 | Keisuke Watanuki v Yuichiro Inui | 6-2,6-3 |
| ITF Dominican Republic F2 | 2015/12/06 15:00 | Yuichiro Inui v Benjamin Hannestad | 0-6,1-6 |
| ITF Dominican Republic F1 | 2015/11/30 15:00 | Yuichiro Inui v Martin Cuevas | 1-6,3-6 |
| ITF Australia F8 | 2015/10/12 01:45 | Yuichiro Inui v David Barclay | 1-6,7-6,1-6 |
| ITF Chinese Taipei F1 | 2015/08/23 01:30 | Yuichiro Inui v Ching-Huang Tsai | 6-7,5-7 |
| ITF Japan F7 | 2015/06/17 01:30 | Hiroyasu Ehara v Yuichiro Inui | 6-4,6-0 |