| Vietnam Open WD | 09/11 13:50 | 5 | Ozaki S / Watanabe A v Dong W / Feng X | L | 1-2 | |
| Akita Masters 2019, WD | 08/14 02:10 | 5 | Ozaki S / Watanabe A v Hobara S / Sone N | L | 0-2 | |
| US Open 2019, WD | 07/10 18:15 | 5 | Matsuyama/Shida v Ozaki S / Watanabe A | L | 2-0 | |
| Canada Open WD | 07/05 00:45 | 4 | Baek H N / Jung K E v Ozaki S / Watanabe A | L | 2-0 | |
| Canada Open WD | 07/03 19:10 | 5 | Ozaki S / Watanabe A v Chen/He | W | 2-0 | |
| Denmark Int. WD | 05/12 09:00 | - | Birch C / Smith L v Ozaki S / Watanabe A | W | 0-2 | |
| Denmark Int. WD | 05/11 15:30 | - | Ozaki S / Watanabe A v Piek S / Seinen C | W | 2-1 | |
| Denmark Int. WD | 05/10 16:20 | - | Ozaki S / Watanabe A v Delrue D / Palermo L | W | 2-0 | |
| Denmark Int. WD | 05/10 11:00 | - | Magelund A / Ravn F v Ozaki S / Watanabe A | W | 0-2 |