| ITF - Hongkong W40 | 08/24 04:40 | 26 | [303] Mananchaya Sawangkaew v Misaki Matsuda [297] | 7-5,6-3 | |
| ITF - Hongkong W40 | 08/22 02:00 | 25 | [371] Ya-Hsuan Lee v Mananchaya Sawangkaew [303] | 2-6,0-6 | |
| ITF - Nakhon Si Thammarat W25 | 07/09 03:00 | 29 | [394] Sahaja Yamalapalli v Mananchaya Sawangkaew [370] | 4-6,0-6 | |
| ITF - Nakhon Si Thammarat W25 | 07/08 02:00 | 28 | [473] Luksika Kumkhum v Mananchaya Sawangkaew [370] | 6-3,4-6,0-6 | |
| ITF - Nakhon Si Thammarat W25 | 07/07 02:00 | 27 | Mananchaya Sawangkaew v Anchisa Chanta | 6-2,6-2 | |
| ITF - Nakhon Si Thammarat W25 | 07/06 03:00 | 26 | [370] Mananchaya Sawangkaew v Kaylah McPhee [476] | 6-2,6-4 | |
| ITF - Nakhon Si Thammarat W25 | 07/04 02:00 | 25 | Mananchaya Sawangkaew v Miho Kuramochi | 6-4,6-1 | |
| ITF - Daegu W25 | 06/07 01:00 | 25 | [406] Mananchaya Sawangkaew v Sohyun Park [452] | 6-4,1-6,4-6 | |
| ITF - Changwon W25 | 05/31 01:00 | 25 | [484] Yeonwoo Ku v Mananchaya Sawangkaew [406] | 6-1,6-3 | |
| ITF - Goyang W25 | 05/28 09:00 | 29 | [356] Hanna Chang v Mananchaya Sawangkaew [406] | 6-2,6-4 | |
| ITF - Goyang W25 | 05/27 07:40 | 28 | Hanyu Guo v Mananchaya Sawangkaew | 2-6,4-6 | |
| ITF - Goyang W25 | 05/26 01:55 | 27 | [400] Mananchaya Sawangkaew v Lizette Cabrera [239] | 2-6,6-3,6-3 | |
| ITF - Goyang W25 | 05/25 01:00 | 26 | [395] Hong Yi Cody Wong v Mananchaya Sawangkaew [400] | 6-7,6-3,4-6 | |
| ITF - Goyang W25 | 05/24 02:55 | 25 | Mananchaya Sawangkaew v Haram Kim | 6-1,6-1 | |
| Puchar Billie Jean King | 04/14 04:55 | 1 | Xinyu Jiang v Mananchaya Sawangkaew | 6-3,0-6,6-1 | |
| Puchar Billie Jean King | 04/13 06:35 | 2 | [421] Yeonwoo Ku v Mananchaya Sawangkaew [394] | 6-7,6-1,2-6 | |
| Puchar Billie Jean King | 04/12 06:15 | 2 | Moyuka Uchijima v Mananchaya Sawangkaew | 4-6,7-5,5-7 | |
| ITF - Jakarta W25 | 03/30 06:25 | 26 | [421] Mananchaya Sawangkaew v Zhuoxuan Bai [301] | 1-6,0-6 | |
| ITF - Jakarta W25 | 03/29 05:50 | 25 | [239] Valeria Savinykh v Mananchaya Sawangkaew [421] | 1-6,2-6 | |
| ITF - Jakarta W25 | 03/28 04:45 | 44 | Mananchaya Sawangkaew v Mio Mushika | 6-3,6-3 | |
| ITF - Jakarta W25 | 03/27 06:20 | 44 | Mananchaya Sawangkaew v Mao Mushika | 6-4,6-1 | |
| ITF - Jakarta W25 | 03/24 02:00 | 27 | [421] Mananchaya Sawangkaew v Anastasia Zakharova [214] | 2-6,6-7 | |
| ITF - Jakarta W25 | 03/23 02:00 | 26 | [421] Mananchaya Sawangkaew v Xinyu Gao [330] | 6-2,6-2 | |
| ITF - Jakarta W25 | 03/22 03:35 | 25 | [297] Arina Rodionova v Mananchaya Sawangkaew [421] | 6-7,3-6 | |
| ITF - Jakarta W25 | 03/21 04:10 | 19 | Mananchaya Sawangkaew v Nana Kawagishi | 6-3,6-0 | |
| ITF - Jakarta W25 | 03/20 03:00 | 44 | Mananchaya Sawangkaew v Sunam Jeong | 6-1,6-2 | |
| ITF - Bengaluru W40 | 03/09 08:30 | 26 | [432] Mananchaya Sawangkaew v Dalila Jakupovic [243] | 4-6,6-4,4-6 | |
| ITF - Bengaluru W40 | 03/08 04:25 | 25 | [308] Misaki Doi v Mananchaya Sawangkaew [432] | 3-6,3-6 | |
| ITF - Bengaluru W25 | 03/01 10:50 | 25 | [291] Ekaterina Reyngold v Mananchaya Sawangkaew [431] | 4-6,6-2,6-2 | |
| ITF - Nonthaburi W40 | 01/15 03:00 | 29 | [428] Mananchaya Sawangkaew v Lanlana Tararudee [416] | 6-2,1-6,0-6 |
Mananchaya Sawangkaew (ur. 10 lipca 2002) – tajska tenisistka, reprezentantka kraju w rozgrywkach Pucharu Billie Jean King.