| ITF W15 Hua Hin | 10/16 04:50 | 25 | Patcharin Cheapchandej v Watsachol Sawatdee | Retired | |
| ITF W15 Hua Hin | 10/12 03:00 | 28 | Jiangxue Han v Watsachol Sawatdee | 6-3,6-7,6-1 | |
| ITF W15 Hua Hin | 10/11 03:00 | 27 | Tamachan Momkoonthod v Watsachol Sawatdee | 5-7,2-6 | |
| ITF W15 Hua Hin | 10/10 04:40 | 26 | Watsachol Sawatdee v Man Ying Maggie Ng | 7-5,6-2 | |
| ITF W15 Hua Hin | 10/09 07:50 | 25 | Jessica Fowler v Watsachol Sawatdee | 5-7,3-6 | |
| ITF W15 Yeongwol | 09/04 06:00 | 25 | Watsachol Sawatdee v Hwui Won Wi | 5-7,5-7 | |
| ITF W15 Yeongwol | 09/01 02:00 | 29 | Yeon Woo Ku v Watsachol Sawatdee | 3-6,6-3,6-2 | |
| ITF W15 Yeongwol | 08/31 02:00 | 28 | Watsachol Sawatdee v Rina Saigo | 6-3,6-4 | |
| ITF W15 Yeongwol | 08/30 02:00 | 27 | Man Ying Maggie Ng v Watsachol Sawatdee | 1-6,1-6 | |
| ITF W15 Yeongwol | 08/29 04:05 | 26 | Tamachan Momkoonthod v Watsachol Sawatdee | 2-6,1-6 | |
| ITF W15 Yeongwol | 08/27 06:30 | 25 | Dami Lee v Watsachol Sawatdee | 2-6,3-6 | |
| ITF W25 Nonthaburi | 07/29 03:50 | 54 | Bojana Marinkovic v Watsachol Sawasdee | 7-5,2-6,10-8 | |
| ITF W25 Nonthaburi | 07/25 05:50 | 26 | Watsachol Sawatdee v Xinyu Wang | 6-4,2-6,2-6 | |
| ITF W25 Nonthaburi | 07/24 03:50 | 25 | Anastasia Sukhotina v Watsachol Sawasdee | 4-6,6-2,4-6 | |
| ITF W25 Nonthaburi | 07/23 02:30 | 54 | Watsachol Sawatdee v Plobrung Plipuech | 7-5,6-3 | |
| ITF W25 Nonthaburi | 07/22 02:30 | 54 | Shiho Akita v Watsachol Sawasdee | 6-7,4-6 | |
| ITF W15 Hua Hin | 07/13 03:00 | 28 | Lou Brouleau v Watsachol Sawatdee | 6-4,6-1 | |
| ITF W15 Hua Hin | 07/12 03:00 | 27 | Watsachol Sawatdee v Aiko Yoshitomi | 6-3,6-3 | |
| ITF W15 Hua Hin | 07/11 03:00 | 26 | Watsachol Sawatdee v Sunam Jeong | Retired | |
| ITF W15 Hua Hin | 07/09 07:05 | 25 | Aunchisa Chanta v Watsachol Sawatdee | 1-6,2-6 | |
| ITF W15 Hua Hin | 07/03 06:45 | 25 | Watsachol Sawatdee v Xinyu Cai | 6-7,4-6 | |
| ITF W25 Nonthaburi | 05/30 07:20 | 26 | Watsachol Sawatdee v Magali Kempen | 3-6,5-7 | |
| ITF W25 Nonthaburi | 05/29 03:00 | 25 | Andrea Ka v Watsachol Sawatdee | 3-6,6-7 | |
| ITF W25 Nonthaburi | 05/28 06:10 | 54 | Watsachol Sawatdee v Silvia Njiric | 7-6,3-6,12-10 | |
| ITF W25 Nonthaburi | 05/27 06:45 | 54 | Watsachol Sawatdee v Jaipet Anontaweesil | 6-0,6-0 | |
| ITF W25 Nonthaburi | 05/22 03:00 | 25 | Watsachol Sawatdee v Risa Ozaki | 3-6,6-7 | |
| ITF W25 Nonthaburi | 05/21 05:40 | 54 | Watsachol Sawatdee v Supapitch Kuearum | 6-4,5-7,10-6 | |
| ITF W25 Hong Kong | 04/09 02:00 | 54 | Yuuki Tanaka v Watsachol Sawatdee | 6-3,6-4 | |
| ITF W25 Hong Kong | 04/08 02:00 | 54 | Yan-Tung Ki v Watsachol Sawasdee | 3-6,4-6 | |
| WTA Hua Hin | 01/26 06:20 | 45 | Watsachol Sawatdee v Ying-Ying Duan | 3-6,3-6 |