| WTT Star Contender Doha XD | 2022/03/27 17:20 | Cheng/Lin v Ishiy/Takahashi | L | 3-1 |
| WTT Singapore Smash XD | 2022/03/13 10:30 | Ishiy/Takahashi v Gnanasekaran/Batra | L | 1-3 |
| WTT Contender Muscat XD | 2022/03/03 10:30 | Thakkar/Kamath v Ishiy/Takahashi | L | 3-2 |
| WTT Contender Muscat XD | 2022/03/02 11:00 | Gunduz/Altinkaya v Ishiy/Takahashi | W | 2-3 |
| World Championship XD | 2021/11/23 22:00 | Skachkov/Vorobeva v Ishiy/Takahashi | L | 3-2 |
| WTT Contender Tunis XD | 2021/10/27 17:30 | Ishiy/Takahashi v Gardos/Polcanova | L | 1-3 |
| WTT Star Contender Doha XD | 2021/09/23 14:00 | Ishiy/Takahashi v Jang/Jeon | L | 0-3 |
| WTT Star Contender Doha XD | 2021/09/22 12:30 | Ishiy/Takahashi v Olah/Eerland | W | 3-1 |