# Supanida Katethong

Supanida Katethong (Thai: ศุภนิดา เกตุทอง; born 26 October 1997) is a Thai badminton player. She won the gold medal in the women's singles at the 2023 SEA Games, and also part of Thai winning team at the Games in 2021 and 2023. She is nicknamed as May Sai (Thai: เมย์ซ้าย, lit. 'left May'), so as to not only avoid confusion with another May, which is Ratchanok "May" Intanon, but to also reference her left-handedness.

## Career

Katethong started playing badminton at age nine and joined the Thailand national junior team in 2015. She won her first international title at the 2014 Singapore International tournament in the women's singles event. In the early of 2015, she won the women's singles title at the Granular Thailand International Challenge tournament. In May 2015, she won double titles at the Smiling Fish International tournament in the women's singles and doubles event. She also won the Sri Lanka International tournament in the women's singles event.
In 2018, Katethong finished runners-up in the Indonesia International and Spanish International. She then claimed two titles in 2019 in the Iran Fajr International and Mongolia International.
Katethong reached her first final in the BWF World Tour at the India Open, losing to her compatriot Busanan Ongbamrungphan.

### 2023–2024

Katethong opened the 2023 season as a semi-finalist in the India Open, losing to the then world number 1 Akane Yamaguchi. She also reached the semi-finals in the Thailand Masters. In May, Katethong competed at the SEA Games in Cambodia, and won the gold medals in the women's singles and team events. On 16 July, she won her first BWF World Tour title at the 2023 U.S. Open after defeating Gao Fangjie in two straight games. In the next two tournaments, she was defeated by her compatriot Ratchanok Intanon in the second round of the Japan Open, and in the quarter-finals of the Australian Open.
In 2024, Katethong reached three finals, where she won the Thailand Open, and also became finalists in the Thailand and Spain Masters.

## Achievements
### SEA Games

Women's singles
| Year | Venue | Opponent | Score | Result | Ref |
| 2023 | Morodok Techo Badminton Hall, Phnom Penh, Cambodia | Lalinrat Chaiwan | 21–12, 21–14 | Gold | |

### BWF World Tour (2 titles, 3 runners-up)

The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018, is a series of elite badminton tournaments sanctioned by the Badminton World Federation (BWF). The BWF World Tour is divided into levels of World Tour Finals, Super 1000, Super 750, Super 500, Super 300, and the BWF Tour Super 100.
Women's singles
| Year | Tournament | Level | Opponent | Score | Result |
| 2022 | India Open | Super 500 | Busanan Ongbamrungphan | 20–22, 21–19, 13–21 | Runner-up |
| 2023 | U.S. Open | Super 300 | Gao Fangjie | 21–15, 21–16 | Winner |
| 2024 | Thailand Masters | Super 300 | Aya Ohori | 21–18, 17–21, 13–21 | Runner-up |
| 2024 | Spain Masters | Super 300 | Ratchanok Intanon | 12–21, 9–21 | Runner-up |
| 2024 | Thailand Open | Super 500 | Han Yue | 21–16, 25–23 | Winner |

### BWF International Challenge/Series (7 titles, 2 runners-up)

Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2014 | Singapore International | Millicent Wiranto | 21–11, 22–20 | Winner |
| 2015 | Thailand International | Kim Hyo-min | 21–16, 21–16 | Winner |
| 2015 | Smiling Fish International | Sarita Suwannakitborihan | 21–14, 21–17 | Winner |
| 2015 | Sri Lanka International | Sabrina Jaquet | 17–21, 21–11, 12–6 retired | Winner |
| 2018 | Indonesia International | Aurum Oktavia Winata | 19–21, 16–21 | Runner-up |
| 2018 | Spanish International | Michelle Skødstrup | 11–21, 15–21 | Runner-up |
| 2019 | Iran Fajr International | Choirunnisa | 21–16, 21–13 | Winner |
| 2019 | Mongolia International | Sim Yu-jin | 21–19, 19–21, 21–9 | Winner |
Women's doubles
| Year | Tournament | Partner | Opponent | Score | Result | Ref |
| 2015 | Smiling Fish International | Panjarat Pransopon | Thidarat Kleebyeesoon Ruethaichanok Laisuan | 21–13, 21–8 | Winner | |
    BWF International Challenge tournament
    BWF International Series tournament