| Challenger Yokohama MD | 2019/03/02 05:00 | Echargui M / Mansouri S v Ratiwatana Sa / Ratiwatana So | 4-6,6-3,10-6 |
| Challenger Yokohama MD | 2019/03/01 05:35 | Fruttero J-P / Perez Sanz D v Ratiwatana Sa / Ratiwatana So | 5-7,6-7 |
| Challenger Yokohama MD | 2019/02/26 05:55 | Hazawa S / Tajima N v Ratiwatana Sa / Ratiwatana So | 2-6,6-3,5-10 |
| Bangkok II, Thailand, Doubles | 2019/02/21 08:30 | Lopez Perez E / Moriya H v Ratiwatana Sa / Ratiwatana So | 6-3,6-2 |
| Bangkok II, Thailand, Doubles | 2019/02/20 10:00 | Ratiwatana Sa / Ratiwatana So v Naen-Udorn C / Saimongkol P | 6-1,6-0 |
| Bangkok, Thaïlande, Doubles | 2019/02/13 09:00 | Balaji N. S / Kadhe A v Ratiwatana Sa / Ratiwatana So | 6-1,6-3 |
| Challenger Launceston MD | 2019/01/29 04:15 | Banes M / Ellis B v Ratiwatana Sa / Ratiwatana So | 6-4,4-6,10-8 |
| Challenger - Burnie - Doubles Hommes | 2019/01/23 01:00 | Fruttero J-P / Perez Sanz D v Ratiwatana Sa / Ratiwatana So | 7-5,7-6 |
| Coupe Davis | 2018/02/04 03:30 | Barki J / Susanto D A v Alcantara F C / Mendoza J Z | 6-7,3-6 |