| ITF W40暖武里 | 01/14 02:55 | 28 | Mananchaya Sawangkaew v 阿纳斯塔西娅•库里科娃 | Walkover | |
| ITF W40暖武里 | 01/13 04:25 | 27 | Mananchaya Sawangkaew v 恰拉扬•布尤卡凯 | 6-1,6-1 | |
| ITF W40暖武里 | 01/12 04:40 | 26 | Mananchaya Sawangkaew v Eri Shimizu | 6-3,1-6,6-1 | |
| ITF W40暖武里 | 01/11 03:00 | 25 | 丽娜•格鲁什科 v Mananchaya Sawangkaew | 6-7,4-6 | |
| ITF W40暖武里 | 01/09 03:00 | 54 | 马烨欣 v Mananchaya Sawangkaew | 1-6,6-7 | |
| ITF W40暖武里资格赛 | 01/08 03:00 | 54 | Chompoothip Jundakate v Mananchaya Sawangkaew | 3-6,1-6 | |
| ITF W40暖武里 | 01/02 06:05 | 54 | Yeonwoo Ku v Mananchaya Sawangkaew | 4-6,6-4,6-3 | |
| ITF W40暖武里 | 01/01 10:40 | 54 | 瑞娅∙巴提亚 v Mananchaya Sawangkaew | 1-6,3-6 | |
| ITF W25新孟买 | 12/18 05:30 | 44 | Mananchaya Sawangkaew v Teja Tirunelveli | 弃权 | |
| ITF W25索拉普 | 12/16 04:30 | 27 | 阿纳斯塔西娅•库里科娃 v Mananchaya Sawangkaew | 5-7,6-3,6-4 | |
| ITF W25索拉普 | 12/15 06:35 | 26 | Ishwari Matere Ishwari Matere v Mananchaya Sawangkaew | 1-6,0-6 | |
| ITF W25索拉普 | 12/14 04:25 | 25 | Mananchaya Sawangkaew v 瓦列莉亚∙斯特拉科娃 | 6-3,5-7,7-5 | |
| ITF W25索拉普 | 12/12 04:30 | 54 | Mananchaya Sawangkaew v 埃琳娜 詹姆西迪 | 6-2,7-5 | |
| ITF W25索拉普 | 12/11 04:00 | 54 | Mananchaya Sawangkaew v Arthi Muniyan | 6-4,6-0 | |
| ITF W15沙姆沙伊赫 | 11/27 08:00 | 29 | Mananchaya Sawangkaew v 阿莱娜•法雷 | 1-6,5-7 | |
| ITF W15沙姆沙伊赫 | 11/26 08:00 | 28 | Mananchaya Sawangkaew v 胡何清 | 7-6,6-1 | |
| ITF W15沙姆沙伊赫 | 11/25 10:35 | 27 | 安娜斯塔西娅•阿帕利希纳 v Mananchaya Sawangkaew | 0-6,0-6 | |
| ITF W15沙姆沙伊赫 | 11/24 08:00 | 26 | 卡琳•萨尔基索瓦 v Mananchaya Sawangkaew | 0-6,1-6 | |
| ITF W15沙姆沙伊赫 | 11/23 10:10 | 25 | Sumin Kim v Mananchaya Sawangkaew | 1-6,2-6 | |
| ITF W25沙姆沙伊赫 | 11/16 12:25 | 25 | Mananchaya Sawangkaew v Petra Marcinko | 3-6,6-7 | |
| ITF W25沙姆沙伊赫 | 11/15 09:35 | 44 | 胡何清 v Mananchaya Sawangkaew | 3-6,6-7 | |
| ITF W25沙姆沙伊赫 | 11/14 13:00 | 44 | 施晗 v Mananchaya Sawangkaew | 6-2,2-6,4-10 | |
| ITF W25沙姆沙伊赫 | 11/11 08:00 | 27 | 阿利娜•科尼娃 v Mananchaya Sawangkaew | 6-4,7-6 | |
| ITF W25沙姆沙伊赫 | 11/10 10:35 | 26 | Mananchaya Sawangkaew v 伊莎贝拉•丝尼科娃 | 6-1,6-3 | |
| ITF W25沙姆沙伊赫 | 11/09 13:35 | 25 | Mananchaya Sawangkaew v 叶卡捷琳娜•马克拉科娃 | 6-4,6-4 | |
| ITF W25沙姆沙伊赫 | 11/08 10:30 | 44 | 胡何清 v Mananchaya Sawangkaew | 1-6,5-7 | |
| ITF W25沙姆沙伊赫 | 11/07 11:15 | 44 | 多加•图尔克曼 v Mananchaya Sawangkaew | 1-6,2-6 | |
| ITF W15沙姆沙伊赫 | 11/04 08:00 | 27 | 李宗钰 v Mananchaya Sawangkaew | 6-3,5-7,6-3 | |
| ITF W15沙姆沙伊赫 | 11/03 08:00 | 26 | 叶夫根尼娅•布尔蒂纳 v Mananchaya Sawangkaew | 6-1,4-6,2-6 | |
| ITF W15沙姆沙伊赫 | 11/01 08:00 | 25 | Barbora Matusova v Mananchaya Sawangkaew | 4-6,1-6 |
Mananchaya Sawangkaew (Thai: มนัญชญา สว่างแก้ว; born 10 July 2002) is a tennis player from Thailand.
She has a career-high singles ranking of 247 by the Women's Tennis Association (WTA), achieved on 4 December 2023. Sawangkaew has won two singles titles and one doubles title on the ITF Women's Circuit.
On the ITF Junior Circuit, she achieved a career-high combined ranking of 14, on 28 January 2019. She reached the quarterfinals of the girls' singles draw at the 2019 Australian Open.
Sawangkaew made her debut for Thailand Fed Cup team in 2019.