| ITF Japan F1 | 2017/03/04 03:30 | Furuta, Ibuki v Kai, Naoto | 6-2,6-0 |
| ITF Japan F5 | 2017/04/02 01:00 | Takeshima, Shunrou v Furuta, Ibuki | 6-2,6-2 |
| ITF Japan F5 | 2017/04/01 02:00 | Furuta, Ibuki v Kawahashi, Yuta | 6-2,6-4 |
| ITF Japan F4 | 2017/03/25 01:00 | Uesugi, Teppei v Furuta, Ibuki | 6-3,6-4 |
| ITF Japan F3 | 2017/03/18 03:00 | Oh, Chan-Yeong v Furuta, Ibuki | 7-6,6-1 |
| ITF Japan F2 | 2017/03/17 02:00 | Yusuke Takahashi v Furuta, Ibuki | 6-3,6-2 |
| ITF Japan F2 | 2017/03/15 03:55 | Kikuchi, Gengo v Furuta, Ibuki | 0-6,6-3,3-6 |
| ITF Japan F2 | 2017/03/13 04:00 | Furuta, Ibuki v Shiga, Masato | 6-4,6-4 |
| ITF Japan F1 | 2017/03/05 01:00 | Furuta, Ibuki v Sho Shimabukuro | 6-7,4-6 |
| ITF Japan F4 | 2017/03/25 00:00 | Nakamura, Yuki v Kai, Naoto | 6-4,4-6,6-1 |
| ITF Japan F1 | 2017/03/04 03:30 | Furuta, Ibuki v Kai, Naoto | 6-2,6-0 |
| ITF Japan F7 | 2016/06/06 01:00 | Tanuma, Ryota v Kai, Naoto | 6-4,6-3 |
| ITF Japan F4 | 2016/03/26 00:00 | Kikuchi, Gengo v Kai, Naoto | 6-2,7-6 |
| ITF Japan F1 | 2016/03/05 03:00 | Kai, Naoto v Kazuma Kawachi | 6-4,3-6,4-6 |
| ITF Japan F7 Qual | 2015/06/13 00:00 | Kai, Naoto v Numajiri, Keisuke | 2-6,3-6 |