| TT Cup (2023) | 12/06 08:45 | - | Mart Martin v Yuto Kobayashi | W | 2-3 | |
| TT Cup (2023) | 12/06 08:15 | - | Stanislav Kruti v Yuto Kobayashi | W | 1-3 | |
| TT Cup (2023) | 12/06 07:15 | - | Yuto Kobayashi v Edvinas Tamashauskas | W | 3-0 | |
| TT Cup (2023) | 12/05 10:25 | - | Oliver Ollman v Yuto Kobayashi | W | 2-3 | |
| TT Cup (2023) | 12/05 09:15 | - | Yuto Kobayashi v Edvinas Tamashauskas | W | 3-1 | |
| TT Cup (2023) | 12/05 07:45 | - | Vincent Oberle v Yuto Kobayashi | W | 0-3 | |
| TT Cup (2023) | 12/05 07:15 | - | Oliver Ollman v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 11/14 09:50 | - | Stanislav Kruti v Yuto Kobayashi | L | 3-2 | |
| TT Cup (2023) | 11/14 09:15 | - | Mart Martin v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 11/14 08:15 | - | Yuto Kobayashi v Edvinas Tamashauskas | L | 1-3 | |
| TT Cup (2023) | 11/14 06:45 | - | Stanislav Kruti v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 11/09 09:55 | - | Vootele Vaher v Yuto Kobayashi | W | 0-3 | |
| TT Cup (2023) | 11/09 09:15 | - | Vootele Vaher v Yuto Kobayashi | L | 3-2 | |
| TT Cup (2023) | 11/09 08:15 | - | Yuto Kobayashi v Toomas Talumets | L | 2-3 | |
| TT Cup (2023) | 11/09 06:45 | - | Stanislav Kruti v Yuto Kobayashi | L | 3-2 | |
| TT Cup (2023) | 11/08 14:55 | - | Yuto Kobayashi v Vootele Vaher | L | 2-3 | |
| TT Cup (2023) | 11/08 13:45 | - | Mart Martin v Yuto Kobayashi | W | 2-3 | |
| TT Cup (2023) | 11/08 12:45 | - | Yuto Kobayashi v Vootele Vaher | W | 3-1 | |
| TT Cup (2023) | 11/08 11:15 | - | Martin Pakk v Yuto Kobayashi | W | 0-3 | |
| TT Cup (2023) | 11/02 10:00 | - | Yuto Kobayashi v Vincent Oberle | L | 2-3 | |
| TT Cup (2023) | 11/02 08:45 | - | Yuto Kobayashi v Vincent Oberle | W | 3-1 | |
| TT Cup (2023) | 11/02 07:45 | - | Yuto Kobayashi v Raul Pirson | L | 1-3 | |
| TT Cup (2023) | 11/02 06:45 | - | Yuto Kobayashi v Vootele Vaher | W | 3-2 | |
| TT Cup (2023) | 10/10 09:15 | - | Mart Martin v Yuto Kobayashi | L | 3-2 | |
| TT Cup (2023) | 10/10 07:45 | - | Yuto Kobayashi v Vincent Oberle | W | 3-1 | |
| TT Cup (2023) | 10/10 06:45 | - | Yuto Kobayashi v Vootele Vaher | W | 3-2 | |
| TT Cup (2023) | 10/10 05:45 | - | Yuto Kobayashi v Mart Martin | L | 0-3 | |
| TT Cup (2023) | 09/21 18:45 | - | Yuto Kobayashi v Toivo Tuisk | W | 3-2 | |
| TT Cup (2023) | 09/21 17:15 | - | Heino Laidmaa v Yuto Kobayashi | W | 1-3 | |
| TT Cup (2023) | 09/21 16:45 | - | Brunold Oja v Yuto Kobayashi | W | 0-3 |