| Giraldilla Int. XD | 08/08 05:50 | 5 | Saito/Watanabe v Kusharjanto/Ramadhanti | L | 1-2 | |
| Swiss Open WD Qual | 08/07 08:34 | - | Saito/Watanabe v Wong/Citra | W | 2-0 | |
| Swiss Open WD Qual | 08/07 00:59 | - | Tsang/Yeung v Saito/Watanabe | W | 0-2 | |
| Giraldilla Int. XD | 07/25 02:55 | 5 | Saito/Watanabe v Tseng/Hsieh | L | 0-2 | |
| Canada Open XD | 06/20 15:10 | 5 | Saito/Watanabe v Kaesbauer/Konon | L | 1-2 | |
| Swiss Open WD Qual | 06/19 20:58 | - | Saito/Watanabe v Kim/Kim | W | 2-0 | |
| Swiss Open WD Qual | 06/19 19:40 | 1 | Li/Zhang v Saito/Watanabe | W | 0-2 |