| Open do Paraguai Sub21 | 09/12 20:55 | - | Martin Bentancor v Gustavo Yokota | L | 3-2 | |
| Open do Paraguai | 09/11 20:20 | - | Gustavo Yokota v Nicolas Galvano | L | 0-4 | |
| Open do Paraguai Sub21 - Feminino | 09/11 15:20 | - | Horacio Cifuentes v Gustavo Yokota | L | 3-0 | |
| Open do Paraguai | 09/10 23:25 | - | Matteo Mutti v Gustavo Yokota | W | 0-3 | |
| Open do Paraguai Sub21 - Feminino | 09/10 20:55 | - | David Leon v Gustavo Yokota | W | 1-3 | |
| Open do Paraguai Sub21 - Feminino | 09/10 14:35 | - | Angel Naranjo v Gustavo Yokota | W | 0-3 | |
| Open do Catar - Duplas Mistas | 04/03 08:55 | 1 | Denis Zholudev v Gustavo Yokota | W | 0-4 | |
| Open do Catar - Duplas Mistas | 04/03 07:00 | 1 | Irvin Bertrand v Gustavo Yokota | L | 3-2 | |
| Challenger - Ochsenhausen | 03/30 08:30 | 1 | Gustavo Yokota v Daniel Kiss | W | 3-0 | |
| Challenger - Ochsenhausen | 03/30 06:30 | 1 | Josip Huzjak v Gustavo Yokota | W | 0-3 | |
| Challenger - Ochsenhausen | 03/29 10:30 | 1 | Fedor Kuzmin v Gustavo Yokota | L | 3-1 | |
| Challenger - Ochsenhausen | 03/29 08:30 | 1 | Daniel Kriston v Gustavo Yokota | L | 3-0 |