| TT Cup (2023) | 09/21 15:45 | - | Yuto Kobayashi v Toivo Tuisk | W | 3-0 | |
| TT Cup (2023) | 09/10 18:15 | - | Yuto Kobayashi v Meelis Apsolon | W | 3-1 | |
| TT Cup (2023) | 09/10 17:45 | - | Yuto Kobayashi v Stanislav Kruti | L | 0-3 | |
| TT Cup (2023) | 09/10 16:15 | - | Mart Martin v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 09/10 15:45 | - | Meelis Apsolon v Yuto Kobayashi | W | 2-3 | |
| TT Cup (2023) | 07/27 13:15 | - | Lauri Ulla v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 07/27 12:15 | - | Grigori Maltizov v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 07/27 11:45 | - | Yuto Kobayashi v Lauri Ulla | L | 2-3 | |
| TT Cup (2023) | 07/27 10:15 | - | Stanislav Fjodorov v Yuto Kobayashi | W | 0-3 | |
| TT Cup (2023) | 07/26 18:45 | - | Yuto Kobayashi v Gerrit Hallmagi | L | 0-3 | |
| TT Cup (2023) | 07/26 17:15 | - | Yuto Kobayashi v Gerrit Hallmagi | W | 3-2 | |
| TT Cup (2023) | 07/26 16:15 | - | Yuto Kobayashi v Toivo Tuisk | L | 0-3 | |
| TT Cup (2023) | 07/26 15:15 | - | Yuto Kobayashi v Oliver Ollman | W | 3-1 | |
| TT Cup (2023) | 07/19 08:45 | - | Meelis Apsolon v Yuto Kobayashi | W | 1-3 | |
| TT Cup (2023) | 07/19 07:45 | - | Yuto Kobayashi v Meelis Apsolon | L | 0-3 | |
| TT Cup (2023) | 07/19 06:45 | - | Yuto Kobayashi v Rene Riomar | L | 0-3 | |
| TT Cup (2023) | 07/19 05:45 | - | Yuto Kobayashi v Stanislav Fjodorov | L | 2-3 | |
| TT Cup (2023) | 07/12 09:15 | - | Aleksandr Dulov v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 07/12 07:45 | - | Yuto Kobayashi v Kalle Kask | W | 3-1 | |
| TT Cup (2023) | 07/12 06:45 | - | Yuto Kobayashi v Aleksandr Dulov | L | 1-3 | |
| TT Cup (2023) | 07/12 05:45 | - | Yuto Kobayashi v Martin Pakk | W | 3-0 | |
| TT Cup (2023) | 07/05 18:15 | - | Yuto Kobayashi v Stanislav Kruti | W | 3-1 | |
| TT Cup (2023) | 07/05 17:15 | - | Viljar Laidvee v Yuto Kobayashi | L | 3-2 | |
| TT Cup (2023) | 07/05 16:45 | - | Stanislav Kruti v Yuto Kobayashi | W | 1-3 | |
| TT Cup (2023) | 07/05 15:45 | - | Yuto Kobayashi v Valerii Ignatev | L | 1-3 | |
| TT Cup (2023) | 07/03 18:45 | - | Stanislav Fjodorov v Yuto Kobayashi | L | 3-2 | |
| TT Cup (2023) | 07/03 17:15 | - | Toivo Tuisk v Yuto Kobayashi | W | 0-3 | |
| TT Cup (2023) | 07/03 16:45 | - | Stanislav Kruti v Yuto Kobayashi | L | 3-2 | |
| TT Cup (2023) | 07/03 15:45 | - | Yuto Kobayashi v Stanislav Fjodorov | W | 3-2 | |
| TT Cup (2023) | 07/01 13:15 | - | Yuto Kobayashi v Oliver Ollman | W | 3-2 |