| Giraldilla Int. XD | 08/08 05:50 | 5 | Saito T / Watanabe A v 쿠샤르야토 R N / 라마드안티 S F S | L | 1-2 | |
| German Open 2019, WD, Qualification | 08/07 08:34 | - | Saito T / Watanabe A v Wong G L J / Citra P S D | W | 2-0 | |
| German Open 2019, WD, Qualification | 08/07 00:59 | - | Tsang/Yeung v Saito T / Watanabe A | W | 0-2 | |
| Giraldilla Int. XD | 07/25 02:55 | 5 | Saito T / Watanabe A v 쳉 M H / 시에 P S | L | 0-2 | |
| Canada Open XD | 06/20 15:10 | 5 | Saito T / Watanabe A v Kaesbauer P / Konon O | L | 1-2 | |
| German Open 2019, WD, Qualification | 06/19 20:58 | - | Saito T / Watanabe A v Kim W H / Kim H R | W | 2-0 | |
| German Open 2019, WD, Qualification | 06/19 19:40 | 1 | Li A / Zhang W v Saito T / Watanabe A | W | 0-2 |