Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2022/02/09 13:50 | Alejandro Manzanera Pertusa v Hikaru Shiraishi | 2-6,2-6 |
| ITF M25 Monastir | 2022/02/07 14:00 | Kaito Uesugi v Hikaru Shiraishi | 4-6,4-6 |
| ITF M25 Monastir | 2022/02/07 09:00 | Hikaru Shiraishi v Dax Donders | 6-2,6-7,10-4 |
| ITF M25 Monastir | 2022/02/06 12:00 | Tanguy Genier v Hikaru Shiraishi | 0-6,3-6 |
| Akishima, Singles M-ITF-JPN-08A | 2019/06/14 03:00 | Hikaru Shiraishi v Yuta Kikuchi | 3-6,6-4,1-6 |
| Akishima, Singles M-ITF-JPN-08A | 2019/06/13 01:00 | Shohei Chikami v Hikaru Shiraishi | 5-7,3-6 |
| Akishima, Singles M-ITF-JPN-08A | 2019/06/11 07:25 | Johansson, Niklas v Hikaru Shiraishi | 4-6,4-6 |
| ITF - M15 Kashiwa | 2019/04/02 02:40 | Yuki Mochizuki v Hikaru Shiraishi | 3-6,6-4,7-6 |
| ITF - M15 Monastir | 2022/02/08 09:40 | Spec, Matic v Christoph Negritu | 6-2,5-7,6-3 |
| ITF - M15 Monastir | 2022/02/01 10:25 | Pietro Marino v Spec, Matic | 6-1,6-4 |
| ITF M25 Monastir | 2022/01/24 12:00 | Spec, Matic v Sandkaulen, Tim | 5-7,6-7 |
| ITF M25 Monastir | 2022/01/23 12:30 | Spec, Matic v Ki Lung NG | 6-4,6-3 |
| ITF M15 Cancun | 2021/12/15 18:10 | Panta Herreros, Jorge Brian v Spec, Matic | 6-4,6-3 |
| ITF M15 Cancun | 2021/12/07 16:00 | Spec, Matic v Juan Sebastian Gomez | 6-7,2-6 |
| ITF M15 Cancun | 2021/12/04 19:15 | Rubin Statham v Spec, Matic | 6-2,6-3 |
| ITF M15 Cancun | 2021/12/04 14:00 | Rousseau, Hillel v Spec, Matic | 3-6,2-6 |