| Singapore Smash XD | 03/12 05:00 | 4 | Ishiy/Takahashi v Harimoto/Hayata | L | 0-3 | |
| Singapore Smash XD | 03/10 05:40 | 5 | Batra/Gnanasekaran v Ishiy/Takahashi | W | 2-3 | |
| WTT Star Contender Doha XD Quals | 01/08 16:45 | 4 | Takahashi/Ishiy v Dyjas/Bajor | L | 2-3 | |
| Pan American Games XD | 10/30 22:40 | - | Takahashi/Ishiy v Fonseca/Campos | L | 0-4 | |
| Pan American Games XD | 10/30 13:00 | - | Ishiy/Takahashi v Wang/Zhang | W | 4-2 | |
| ITTF Pan American Championships XD | 09/13 19:00 | - | Takahashi/Ishiy v Burgos/Vega | L | 0-3 | |
| ITTF Pan American Championships XD | 09/12 21:30 | - | Takahashi/Ishiy v Castro/Aceves | W | 3-0 | |
| WTT Contender Rio XD | 08/11 16:00 | 3 | Takahashi/Teodoro v Takahashi/Ishiy | L | 3-2 | |
| WTT Contender Rio XD | 08/10 13:00 | 4 | Ishida/Strassburger v Takahashi/Ishiy | W | 0-3 | |
| WTT Contender Lima XD | 08/03 15:35 | 4 | Kukulkova/Wang v Takahashi/Ishiy | L | 3-0 | |
| WTT Contender Tunis XD | 06/23 09:00 | 3 | Ishiy/Takahashi v Liu/Liu | L | 0-3 | |
| WTT Contender Tunis XD | 06/22 09:20 | 4 | Ishiy/Takahashi v Sung/Naresh | W | 3-2 |