| Akita Masters Women | 2019/08/14 04:10 | Lyanny Alessandra Mainaky v Phittayaporn Chaiwan | W | 1-2 |
| Hyderabad Open Women | 2019/08/10 09:10 | Jia Min Yeo v Phittayaporn Chaiwan | L | 2-1 |
| Hyderabad Open Women | 2019/08/09 09:10 | Yiman Zhang v Phittayaporn Chaiwan | W | 1-2 |
| Hyderabad Open Women | 2019/08/08 07:15 | Brittney Tam v Phittayaporn Chaiwan | W | 0-2 |
| Hyderabad Open Women | 2019/08/07 08:50 | Vrushali Gummadi v Phittayaporn Chaiwan | W | 0-2 |
| Thailand Open Women | 2019/07/31 08:30 | Saina Nehwal v Phittayaporn Chaiwan | L | 2-0 |
| Thailand Open Women Qual | 2019/07/30 05:25 | Chananchida Jucharoen v Phittayaporn Chaiwan | W | 1-2 |
| Spanish Int. Women | 2019/06/15 15:00 | Kirsty Gilmour v Phittayaporn Chaiwan | W | 0-2 |
| Akita Masters Women | 2019/08/14 04:10 | Lauren Lam v Shiori Saito | W | 0-2 |
| Vietnam Int. Women | 2019/04/12 06:30 | Dinar Dyah Ayustine v Shiori Saito | L | 2-1 |
| Vietnam Int. Women | 2019/04/10 03:00 | Shiori Saito v Li Ting Peng | W | 2-0 |
| Osaka Int. Women | 2019/04/06 04:00 | Saena Kawakami v Shiori Saito | L | 2-0 |
| Giraldilla Int. XD | 2018/09/23 07:00 | Minatsu Mitani v Shiori Saito | L | 2-0 |
| Giraldilla Int. XD | 2018/09/22 07:00 | Shiori Saito v Yulia Y Susanto | W | 2-0 |
| Giraldilla Int. XD | 2018/09/21 09:00 | Shiori Saito v Ruselli Hartawan | W | 2-1 |
| Swiss Open WD Qual | 2018/09/20 08:00 | Shiori Saito v Putri Kusuma Wardani | W | 2-0 |