# Mananchaya Sawangkaew

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. 112 by the WTA, achieved on 24 February 2025, 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.

## Career
### 2019: Juniors and Davis Cup debut

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.

### 2021–2022: College years

She attended the Oklahoma State University in 2021–2022.

### 2024: WTA debut & first quarterfinal, Thai No. 1, top 150

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.

## WTA Challenger finals
### Singles: 1 (runner-ups)

| Result | Date | Tournament | Surface | Opponents | Score |
| Loss | Feb 2025 | Mumbai Open, India | Hard | Jil Teichmann | 3–6, 4–6 |

## ITF Circuit finals
### Singles: 10 (3 titles, 7 runner-ups)

* Legend
* W75 tournaments (0–1)
* W40/50 tournaments (1–2)
* W25 tournaments (1–1)
* W15 tournaments (1–3)
* Finals by surface
* Hard (3–6)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | May 2018 | ITF Hua Hin, Thailand | W15 | Hard | Bunyawi Thamchaiwat | 1–6, 7–6$^{(3)}$, 2–1 ret. |
| Loss | 1–1 | Oct 2019 | ITF Hua Hin, Thailand | W15 | Hard | Moyuka Uchijima | 2–6, 4–6 |
| Loss | 1–2 | Jun 2022 | ITF Chiang Rai, Thailand | W15 | Hard | Naho Sato | 4–6, 2–6 |
| Loss | 1–3 | Nov 2022 | ITF Sharm El Sheikh, Egypt | W15 | Hard | Aliona Falei | 1–6, 5–7 |
| Loss | 1–4 | Jan 2023 | ITF Nonthaburi, Thailand | W40 | Hard | Lanlana Tararudee | 6–2, 1–6, 0–6 |
| Loss | 1–5 | May 2023 | ITF Goyang, South Korea | W25 | Hard | Hanna Chang | 2–6, 4–6 |
| Win | 2–5 | Jul 2023 | ITF Nakhon Si Thammarat, Thailand | W25 | Hard | Sahaja Yamalapalli | 6–4, 6–0 |
| Loss | 2–6 | Aug 2023 | ITF Hong Kong, China SAR | W40 | Hard | Yang Ya-yi | 3–6, 6–4, 3–6 |
| Win | 3–6 | Jan 2024 | ITF Nonthaburi, Thailand | W50 | Hard | Antonia Ružić | 6–1, 2–6, 6–2 |
| Loss | 3–7 | Aug 2024 | Lexington Challenger, United States | W75 | Hard | Wei Sijia | 5–7, 4–6 |

### Doubles: 4 (1 title, 3 runner–ups)

* Legend
* W25 tournaments (0–1)
* W15 tournaments (1–2)
* Finals by surface
* Hard (1–3)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Dec 2018 | ITF Hua Hin, Thailand | W15 | Hard | Joanna Garland | Nadia Ravita Aldila Sutjiadi | 2–6, 4–6 |
| Win | 1–1 | Apr 2019 | ITF Sharm El Sheik, Egypt | W15 | Hard | Thasaporn Naklo | Katarina Kuzmová Zhibek Kulambayeva | 6–3, 7–5 |
| Loss | 1–2 | Jan 2020 | ITF Nonthaburi, Thailand | W25 | Hard | Supapitch Kuearum | Ankita Raina Bibiane Schoofs | 4–6, 2–6 |
| Loss | 1–3 | Nov 2022 | ITF Sharm El Sheikh, Egypt | W15 | Hard | Dong Na | Cho Yi-tsen Cho I-hsuan | 2–6, 6–7$^{(4)}$ |