| Dutch Open WD | 10/11 16:30 | 3 | Hobara S / Sone N v Efler L / Herttrich I | L | 1-2 | |
| Dutch Open WD | 10/10 14:50 | 4 | Hobara S / Sone N v Karlsson E / Magnusson J | W | 2-0 | |
| Dutch Open WD | 10/09 09:00 | 5 | Hobara S / Sone N v Marran K K / Ruutel H | - | Walkover | |
| Vietnam Open WD | 09/12 05:20 | 4 | Korepap C / Sudjaipraparat K v Hobara S / Sone N | L | 2-0 | |
| Vietnam Open WD | 09/11 11:50 | 5 | Hobara S / Sone N v Lefel E / Tran A | W | 2-1 | |
| Akita Masters 2019, WD | 08/16 04:40 | 3 | Hobara S / Sone N v Chen/Zhang | L | 0-2 | |
| Akita Masters 2019, WD | 08/15 03:10 | 4 | Honda E / Shimizu N v Hobara S / Sone N | W | 1-2 | |
| Akita Masters 2019, WD | 08/14 02:10 | 5 | Ozaki S / Watanabe A v Hobara S / Sone N | W | 0-2 | |
| New Zealand Open 2019, WD | 05/03 08:00 | 3 | Hobara S / Sone N v Matsutomo M / Takahashi A | L | 0-2 | |
| New Zealand Open 2019, WD | 05/02 06:00 | 4 | Yang/Chang v Hobara S / Sone N | W | 0-2 | |
| New Zealand Open 2019, WD | 05/01 06:00 | 5 | Wang V / Zhou C v Hobara S / Sone N | W | 0-2 | |
| Osaka Int. WD | 04/07 03:00 | - | Kawashima R / Ozaki S v Hobara S / Sone N | W | 1-2 |