| ITF India F3 | 2016/05/10 03:30 | Ranjeet Virali-Murugesan v Onishi, Ken | 6-7,4-6 |
| ITF India F2 | 2016/05/03 11:00 | Wattanakul, Pol v Onishi, Ken | 6-4,7-6 |
| ITF Japan F5 | 2016/04/06 00:30 | Onishi, Ken v Suzuki, Takao | 6-3,4-6,3-6 |
| ITF Japan F5 | 2016/04/04 01:30 | Onishi, Ken v Sano, Koichi | 6-1,6-0 |
| ITF Japan F5 | 2016/04/03 02:30 | Onishi, Ken v Shimizu, Kazuki | 6-3,6-2 |
| ITF Japan F4 | 2016/03/27 01:00 | Yosuke Watanuki v Onishi, Ken | 6-2,7-6 |
| ITF Japan F3 | 2016/03/23 01:00 | Kibi, Yuya v Onishi, Ken | 7-6,6-1 |
| ITF Japan F3 | 2016/03/22 03:10 | Onishi, Ken v Watanuki, Keisuke | 2-6,6-2,7-5 |
| ITF India F3 | 2016/05/10 10:00 | R Prabodh, Suraj v Ito, Yuya | 0-6,4-6 |
| ITF India F3 | 2016/05/08 10:30 | Ito, Yuya v Qamar, Faisal | 6-3,6-2 |
| ITF India F2 | 2016/05/06 04:30 | Shintaro Imai v Ito, Yuya | 6-4,3-6,6-2 |
| ITF India F2 | 2016/05/05 04:00 | Rungkat, Christopher v Ito, Yuya | 4-6,2-6 |
| ITF India F2 | 2016/05/04 05:50 | Ranjeet Virali-Murugesan v Ito, Yuya | 0-6,1-6 |
| ITF India F2 | 2016/05/03 12:10 | Ito, Yuya v Prashanth, N. Vijay Sundar | 6-3,7-6 |
| ITF India F2 | 2016/05/02 09:30 | Purcell, Rhett v Ito, Yuya | 4-6,1-6 |
| ITF India F2 | 2016/05/01 04:30 | Dahiya, Paras v Ito, Yuya | 1-6,1-6 |