| TT Cup (2023) | 07/01 12:15 | - | Stanislav Kruti v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 07/01 11:45 | - | Meelis Apsolon v Yuto Kobayashi | L | 3-2 | |
| TT Cup (2023) | 07/01 10:45 | - | Yuto Kobayashi v Oliver Ollman | W | 3-2 | |
| TT Cup (2023) | 06/28 18:15 | - | Yuto Kobayashi v Enno Vinne | W | 3-1 | |
| TT Cup (2023) | 06/28 17:45 | - | Enno Vinne v Yuto Kobayashi | W | 0-3 | |
| TT Cup (2023) | 06/28 16:45 | - | Yuto Kobayashi v Toivo Tuisk | L | 1-3 | |
| TT Cup (2023) | 06/28 15:15 | - | Oliver Ollman v Yuto Kobayashi | W | 2-3 | |
| TT Cup (2023) | 06/13 08:45 | - | Yuto Kobayashi v Koit Karjus | W | 3-1 | |
| TT Cup (2023) | 06/13 08:15 | - | Martin Pakk v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 06/13 07:15 | - | Yuto Kobayashi v Koit Karjus | W | 3-1 | |
| TT Cup (2023) | 06/13 05:45 | - | Vincent Oberle v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 06/03 13:45 | - | Stanislav Kruti v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 06/03 12:45 | - | Yuto Kobayashi v Meelis Apsolon | W | 3-2 | |
| TT Cup (2023) | 06/03 11:15 | - | Martin Salong v Yuto Kobayashi | W | 0-3 | |
| TT Cup (2023) | 06/03 10:45 | - | Stanislav Kruti v Yuto Kobayashi | L | 3-1 | |
| TT Cup (2023) | 05/30 13:45 | - | Yuto Kobayashi v Heldur Nermann | W | 3-0 | |
| TT Cup (2023) | 05/30 12:15 | - | Yuto Kobayashi v Johannes Kant | W | 3-0 | |
| TT Cup (2023) | 05/30 11:15 | - | Yuto Kobayashi v Heino Laidmaa | W | 3-0 | |
| TT Cup (2023) | 05/30 10:15 | - | Yuto Kobayashi v Heldur Nermann | W | 3-0 | |
| TT Cup (2023) | 05/23 09:15 | - | Yuto Kobayashi v Koit Karjus | W | 3-0 | |
| TT Cup (2023) | 05/23 07:45 | - | Madis Vaarpu v Yuto Kobayashi | W | 2-3 | |
| TT Cup (2023) | 05/23 07:15 | - | Mart Ojamaa v Yuto Kobayashi | W | 0-3 | |
| TT Cup (2023) | 05/23 06:15 | - | Yuto Kobayashi v Koit Karjus | W | 3-1 | |
| TT Cup (2023) | 05/15 09:15 | - | Vincent Oberle v Yuto Kobayashi | L | 3-0 | |
| TT Cup (2023) | 05/15 08:15 | - | Koit Karjus v Yuto Kobayashi | W | 1-3 | |
| TT Cup (2023) | 05/15 07:15 | - | Yuto Kobayashi v Valdek Putkemaa | W | 3-0 | |
| TT Cup (2023) | 05/15 05:45 | - | Vincent Oberle v Yuto Kobayashi | L | 3-0 | |
| TT Cup (2023) | 05/12 13:15 | - | Yuto Kobayashi v Valdek Putkemaa | W | 3-2 | |
| TT Cup (2023) | 05/12 12:45 | - | Dmitri Donskov v Yuto Kobayashi | L | 3-0 | |
| TT Cup (2023) | 05/12 11:45 | - | Yuto Kobayashi v Valdek Putkemaa | W | 3-2 |