| Challenger Yokohama MD | 2019/03/02 05:00 | Echargui/Mansouri v Ratiwatana/Ratiwatana | 4-6,6-3,10-6 |
| Challenger Yokohama MD | 2019/03/01 05:35 | Fruttero/Perez Sanz v Ratiwatana/Ratiwatana | 5-7,6-7 |
| Challenger Yokohama MD | 2019/02/26 05:55 | Hazawa/Tajima v Ratiwatana/Ratiwatana | 2-6,6-3,5-10 |
| Challenger Bangkok 1A MD | 2019/02/21 08:30 | Lopez-Perez/Moriya v Ratiwatana/Ratiwatana | 6-3,6-2 |
| Challenger Bangkok 1A MD | 2019/02/20 10:00 | Ratiwatana/Ratiwatana v Naen-Udorn/Saimongkol | 6-1,6-0 |
| Challenger Bangkok MD | 2019/02/13 09:00 | Balaji/Kadhe v Ratiwatana/Ratiwatana | 6-1,6-3 |
| Challenger Launceston MD | 2019/01/29 04:15 | Banes/Ellis v Ratiwatana/Ratiwatana | 6-4,4-6,10-8 |
| Challenger Burnie MD | 2019/01/23 01:00 | Fruttero/Perez Sanz v Ratiwatana/Ratiwatana | 7-5,7-6 |
| Davis Cup | 2018/02/04 03:30 | Barki/Susanto v Casey Alcantara/Mendoza | 6-7,3-6 |