| Indonesia Masters XD | 2018/05/22 03:30 | Endo/Watanabe v Jansen/Zurwonne | W | 2-1 |
| Swiss Open WD Qual | 2018/04/27 09:00 | Huang/Wang v Endo/Watanabe | L | 2-0 |
| Swiss Open WD Qual | 2018/04/26 03:30 | Alfian/Ardianto v Endo/Watanabe | W | 1-2 |
| Swiss Open WD Qual | 2018/04/25 11:20 | Kedren/Puavaranukroh v Endo/Watanabe | W | 0-2 |
| All England Open | 2018/03/17 19:00 | Endo/Watanabe v Boe/Mogensen | L | 0-2 |
| All England Open | 2018/03/16 10:40 | Endo/Watanabe v Liao/Su | W | 2-0 |
| All England Open | 2018/03/15 17:35 | Endo/Watanabe v Lee/Lee | W | 2-1 |
| All England Open | 2018/03/14 16:00 | Endo/Watanabe v Kedren/Puavaranukroh | W | 2-0 |