| Boom Cup | 2020/04/20 20:30 | Gustavo Kodama v Alfredo Neto | W | 3-1 |
| Boom Cup | 2020/04/20 20:00 | Gustavo Kodama v Akira Chikaraishi | L | 1-3 |
| Boom Cup | 2020/04/20 19:30 | Edgar Bull v Gustavo Kodama | L | 3-1 |
| 卡塔尔公开赛 混双 | 2017/05/04 20:00 | Juan Lamadrid v Gustavo Kodama | L | 4-2 |
| 卡塔尔公开赛 混双 | 2017/05/04 15:35 | 威廉•西奥多 v Gustavo Kodama | L | 3-2 |
| Boom Cup | 2020/04/20 19:00 | Edy Sakurada v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/04/20 18:00 | Hugo Suzuki v Ricardo Kojima | W | 2-3 |
| Boom Cup | 2020/04/20 17:30 | Joao Paulo Trecco v Ricardo Kojima | W | 0-3 |
| Boom Cup | 2020/04/20 17:00 | Ricardo Kojima v Kazuo Morishige | W | 3-0 |
| Boom Cup | 2020/04/20 16:00 | Ricardo Kojima v Tiago Fudimori | W | 3-1 |