| ITF W15沙姆沙伊赫 | 04/06 08:00 | 28 | Mananchaya Sawangkaew v 马加里•科姆普恩 | 6-4,1-6,2-6 | |
| ITF W15沙姆沙伊赫 | 04/05 08:00 | 27 | Mananchaya Sawangkaew v Maria Daniels Sierra | 6-3,6-2 | |
| ITF W15沙姆沙伊赫 | 04/04 08:00 | 26 | Mananchaya Sawangkaew v 巴尔博拉 Miklova | 6-2,7-5 | |
| ITF W15沙姆沙伊赫 | 04/03 10:40 | 25 | 娜嘉•吉查里丝特 v Mananchaya Sawangkaew | 2-6,4-6 | |
| ITF W15沙姆沙伊赫 | 03/28 08:00 | 26 | 阿纳斯塔西娅•库里科娃 v Mananchaya Sawangkaew | 6-4,6-2 | |
| ITF W15沙姆沙伊赫 | 03/26 08:00 | 25 | Mai Napatt Nirundorn v Mananchaya Sawangkaew | 2-6,2-6 | |
| 联合会杯 2019 | 02/06 05:00 | 1 | 扎里纳•狄雅丝 v Mananchaya Sawangkaew | 6-1,6-3 | |
| ITF华欣 女子 | 12/05 03:00 | 26 | Bunyawi Thamchaiwat v Mananchaya Sawangkaew | 7-6,7-5 | |
| ITF华欣 女子 | 12/04 03:00 | 25 | Dolavee Tumthong v Mananchaya Sawangkaew | 2-6,3-6 | |
| ITF华欣 女子 | 11/30 03:00 | 28 | Mananchaya Sawangkaew v 努尼达•卢安格纳姆 | 7-5,0-6,3-6 | |
| ITF华欣 女子 | 11/29 03:00 | 27 | Bunyawi Thamchaiwat v Mananchaya Sawangkaew | 1-6,7-5,6-7 | |
| ITF华欣 女子 | 11/28 03:00 | 26 | Chie Kezuka v Mananchaya Sawangkaew | 4-6,0-6 | |
| ITF华欣 女子 | 11/27 04:25 | 25 | Ashmitha 埃瓦拉穆河 v Mananchaya Sawangkaew | 0-6,4-6 | |
| ITF华欣 女子 | 06/06 04:05 | 26 | Mananchaya Sawangkaew v Shuyue Ma | 6-7,1-6 | |
| ITF华欣 女子 | 06/05 05:15 | 25 | 伊万娜•尤洛维奇 v Mananchaya Sawangkaew | 弃权 | |
| ITF华欣 女子 | 05/12 02:30 | 29 | Bunyawi Thamchaiwat v Mananchaya Sawangkaew | 弃权 | |
| ITF华欣 女子 | 05/11 02:30 | 28 | Mananchaya Sawangkaew v 祖扎娜∙兹洛霍娃 | 3-6,6-1,6-0 | |
| ITF华欣 女子 | 05/10 04:30 | 27 | Mananchaya Sawangkaew v 努尼达•卢安格纳姆 | 6-1,6-2 | |
| ITF华欣 女子 | 05/09 03:20 | 26 | Mananchaya Sawangkaew v 卓宜岑 | 6-1,2-6,6-2 | |
| ITF华欣 女子 | 05/07 08:55 | 25 | 齐尔•德赛 v Mananchaya Sawangkaew | 6-2,5-7,1-6 | |
| ITF华欣资格赛 女子 | 04/30 02:30 | 44 | Mananchaya Sawangkaew v Xinyu Cai | 6-2,2-6,0-6 | |
| ITF华欣资格赛 女子 | 04/29 06:00 | 44 | Mananchaya Sawangkaew v Chanikarn Silakul | 6-2,7-5 | |
| ITF华欣 女子 | 07/24 04:00 | 25 | 戈萨尔 Ainitdinova v Mananchaya Sawangkaew | 0-6,7-5,6-2 | |
| ITF华欣 女子 | 05/08 03:00 | 25 | Mananchaya Sawangkaew v 格尔曼•考尔•桑恩迪 | 2-6,7-6,2-6 | |
| ITF华欣 女子 | 05/03 03:00 | 26 | 哈里特•达特 v Mananchaya Sawangkaew | 6-3,6-3 | |
| ITF华欣 女子 | 05/01 03:00 | 25 | 彭宁•科瓦皮图克特 v Mananchaya Sawangkaew | 6-7,4-6 | |
| ITF华欣资格赛 女子 | 04/23 04:15 | 54 | 西本惠 v Mananchaya Sawangkaew | 6-2,6-0 | |
| ITF华欣资格赛 女子 | 04/22 06:30 | 54 | Mananchaya Sawangkaew v 艾丽西亚∙巴内特 | 4-6,7-6,6-4 | |
| ITF华欣 女子 | 11/22 03:00 | 25 | 马力汤川 v Mananchaya Sawangkaew | 6-1,6-1 |
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.