WTA Hong Kong | 09/30 06:00 | 14 | Mananchaya Sawangkaew v Peangtarn Plipuech | Cancelled | |
WTA Beijing | 09/28 05:25 | 24 | [2] Aryna Sabalenka v Mananchaya Sawangkaew [187] | 6-4,6-1 | |
WTA Beijing | 09/26 09:35 | 23 | Zarina Diyas v Mananchaya Sawangkaew | 2-6,3-6 | |
WTA Beijing | 09/24 06:45 | 15 | [117] Emina Bektas v Mananchaya Sawangkaew [187] | 4-6,2-6 | |
WTA Beijing | 09/23 05:50 | 14 | [187] Mananchaya Sawangkaew v Nao Hibino [145] | 6-2,6-7,6-1 | |
WTA Hua Hin | 09/17 13:10 | 25 | [195] Mananchaya Sawangkaew v Rebecca Sramkova [102] | 2-6,6-2,4-6 | |
WTA Hua Hin | 09/15 05:15 | 19 | [188] Mananchaya Sawangkaew v En Shuo Liang [267] | 1-6,6-4,6-2 | |
WTA Hua Hin | 09/14 07:40 | 14 | [188] Mananchaya Sawangkaew v Prarthana Thombare [146] | 6-0,6-3 | |
ITF W100 Incheon | 09/04 03:40 | 25 | [196] Mananchaya Sawangkaew v Tatiana Prozorova [334] | 4-6,3-6 | |
US Open Women | 08/22 19:15 | 19 | [118] Arina Rodionova v Mananchaya Sawangkaew [182] | 6-4,6-2 | |
US Open Women | 08/21 21:05 | 15 | [181] Celine Naef v Mananchaya Sawangkaew [182] | 2-6,6-7 | |
US Open Women | 08/20 19:00 | 14 | [182] Mananchaya Sawangkaew v Laura Pigossi [141] | 6-4,6-0 | |
ITF W100 Cary | 08/15 20:00 | 27 | [107] Rebeka Masarova v Mananchaya Sawangkaew [192] | 6-4,6-2 | |
ITF W100 Cary | 08/14 21:25 | 26 | [192] Mananchaya Sawangkaew v Rebecca Marino [141] | 7-6,7-6 | |
ITF W100 Cary | 08/14 15:00 | 25 | [192] Mananchaya Sawangkaew v Linda Fruhvirtova [142] | 7-6,7-5 | |
ITF W100 Cary | 08/12 19:35 | 19 | [167] Talia Gibson v Mananchaya Sawangkaew [195] | 6-1,3-6,4-6 | |
ITF W100 Cary | 08/11 23:00 | 54 | Tatum Evans v Mananchaya Sawangkaew | 1-6,1-6 | |
ITF W100 Landisville | 08/07 20:55 | 25 | [195] Mananchaya Sawangkaew v Sara Saito [158] | 1-6,7-6,2-6 | |
ITF W75 Lexington | 08/04 17:00 | 29 | [177] Sijia Wei v Mananchaya Sawangkaew [221] | 7-5,6-4 | |
ITF W75 Lexington | 08/03 18:10 | 28 | [221] Mananchaya Sawangkaew v Rebecca Marino [149] | 6-3,6-4 | |
ITF W75 Lexington | 08/02 16:00 | 27 | [221] Mananchaya Sawangkaew v Iryna Shymanovich [218] | Retired | |
ITF W75 Lexington | 08/01 17:20 | 26 | [221] Mananchaya Sawangkaew v Shrivalli R Bhamidipaty [400] | 3-6,6-3,6-2 | |
ITF W75 Lexington | 07/31 16:45 | 25 | [175] Lanlana Tararudee v Mananchaya Sawangkaew [221] | 1-6,4-6 | |
ITF W50 Dallas | 07/26 19:05 | 27 | [227] Mananchaya Sawangkaew v Clervie Ngounoue [363] | 2-6,5-7 | |
ITF W50 Dallas | 07/25 14:50 | 26 | [227] Mananchaya Sawangkaew v Katrina Scott [366] | 7-6,6-3 | |
ITF W50 Dallas | 07/24 17:45 | 25 | Mananchaya Sawangkaew v Drew Morris | 6-2,6-0 | |
Billie Jean King Cup | 07/19 05:55 | 2 | Mananchaya Sawangkaew v Elsa Wan | 6-0,6-2 | |
Billie Jean King Cup | 07/18 04:10 | 2 | [228] Mananchaya Sawangkaew v Eudice Wong Chong [293] | 3-6,6-2,6-0 | |
Billie Jean King Cup | 07/17 03:05 | 2 | [228] Mananchaya Sawangkaew v Beatrice Gumulya [447] | 6-3,6-2 | |
Billie Jean King Cup | 07/16 04:10 | 2 | Mananchaya Sawangkaew v Meshkatolzahra Safi | 6-3,6-1 |
Mananchaya Sawangkaew (Thai: มนัญชญา สว่างแก้ว; born 10 July 2002) is a tennis player from Thailand. She has a career-high singles ranking of world No. 133 by the WTA, achieved on 11 November 2024, and a doubles ranking of No. 546, achieved on 31 July 2023. She is currently the No. 1 Thai player. Sawangkaew has won three 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 No. 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.
She attended the Oklahoma State University in 2021–2022.
Sawangkaew made her WTA main draw debut at the 2024 Thailand Open 2 in Hua Hin, after qualifying but lost to eventual champion Rebecca Šramková. She also qualified for the next tournament, the WTA 1000 2024 China Open making her debut at this WTA level and defeated fellow qualifier Zarina Diyas in straight sets for her first WTA Tour win, but lost in the second round to top seed Aryna Sabalenka. As a result she reached a new career-high singles ranking of No. 167 on 7 October 2024 and a week later of No. 165 and became the Thai player No. 1.
She qualified for the main draw of the 2024 Guangzhou Open and defeated lucky loser Ella Seidel for a second time, having previously beaten her in the last round of qualifying. In the second round Sawangkaew overcame third seed Yuan Yue to become the first Thai player to reach a WTA Tour quarterfinal since Luksika Kumkhum in Hong Kong in 2018. She lost in the last eight to eventual champion Olga Danilović. As a result she reached the top 150 in the rankings on 28 October 2024. At the next and last 2024 Asian swing tournament, the Jiangxi Open, Sawangkaew qualified for the main draw and recorded wins over seventh seed Lucia Bronzetti, and then Zheng Saisai against whom she saved two match points, to reach back-to-back quarterfinals. Once again she went out at the last eight stage, this time losing to Laura Siegemund.