Round: 26 Ground: Clay
| ITF Hungary F2 | 2017/05/16 09:25 | Schmid, Michal v Onishi, Ken | 6-2,4-6,4-6 |
| ITF Hungary F1 | 2017/05/11 11:40 | Balazs, Attila v Onishi, Ken | 6-2,6-2 |
| ITF Hungary F1 | 2017/05/10 08:00 | Ovcharov, Alexander v Onishi, Ken | 1-6,3-6 |
| ITF Hungary F1 | 2017/05/08 08:00 | Onishi, Ken v Radinski, Aljaz | 6-3,7-5 |
| ITF Japan F5 | 2017/04/03 06:20 | Onishi, Ken v Tanuma, Ryota | 6-7,2-6 |
| ITF Japan F4 | 2017/03/30 01:00 | Onishi, Ken v Yosuke Watanuki | 2-6,5-7 |
| ITF Japan F4 | 2017/03/29 01:00 | Masaya Kobayashi v Onishi, Ken | 4-6,6-7 |
| Bangkok-2, Thailand, Qualifying | 2017/01/07 08:15 | Onishi, Ken v Wang, Jimmy | 1-6,4-6 |
| ITF Hungary F2 | 2017/05/16 09:25 | Jotovski, Tomislav v Domagoj Biljesko | 6-4,5-7,6-2 |
| Turkey F16, Singles Qualifying | 2017/04/27 07:00 | Lazov, Alexander v Jotovski, Tomislav | 6-3,6-3 |
| Turkey F15, Singles Qualifying | 2017/04/18 07:00 | Thiago Seyboth Wild v Jotovski, Tomislav | 6-4,6-4 |
| Coupe Davis | 2017/04/08 11:40 | Jotovski, Tomislav v Tholl, Christophe | 6-2,6-2 |
| Coupe Davis | 2017/04/07 10:10 | Jotovski, Tomislav v Gunnarsson, Birkir | 6-0,6-1 |
| Coupe Davis | 2017/04/06 10:15 | Jotovski, Tomislav v Asciak, Matthew | 3-6,6-3,2-6 |
| ITF Tunisia F11 | 2017/03/23 08:30 | Santos, Nicolas v Jotovski, Tomislav | 6-1,6-4 |
| ITF Tunisia F11 | 2017/03/21 11:30 | Jotovski, Tomislav v Dabbabi, Youssef | 6-2,6-1 |