# Lalinrat Chaiwan

Lalinrat Chaiwan (Thai: ลลินรัตน์ ไชยวรรณ; born Pattarasuda Chaiwan (Thai: ภัทรสุดา ไชยวรรณ), 21 February 2001) is a Thai badminton player. She has shown her talent as a badminton player in the junior event tournament. She changed her first name to Phittayaporn (Thai: พิทยาภรณ์) after visiting a temple for prayers for a brighter career in badminton. She was crowned champion at the Grand Prix junior tournament in 2017 India and 2018 German, also occupied the girls' singles number 1 in the BWF World Junior Ranking.
Born in Lampang Province, Chaiwan was the silver medalist at the 2017 Asian Junior Championships, where she was before won the Junior U–15 Championships in 2015, and U–17 in 2016. She was part of the national team that won the gold medal at the 2017 SEA Games in the women's team event. She represented her country at the 2018 Summer Youth Olympics in Buenos Aires, Argentina, won a bronze medal in the girls' singles event.

## Achievements
### SEA Games

Women's singles
| Year | Venue | Opponent | Score | Result |
| 2021 | Bac Giang Gymnasium, Bắc Giang, Vietnam | Pornpawee Chochuwong | 14–21, 16–21 | Silver |
| 2023 | Morodok Techo Badminton Hall, Phnom Penh, Cambodia | Supanida Katethong | 12–21, 14–21 | Silver |

### Youth Olympic Games

Girls' singles
| Year | Venue | Opponent | Score | Result |
| 2018 | Tecnópolis, Buenos Aires, Argentina | Jaslyn Hooi | 21–9, 21–13 | Bronze |

### World Junior Championships

Girls' singles
| Year | Venue | Opponent | Score | Result |
| 2019 | Kazan Gymnastics Center, Kazan, Russia | Riko Gunji | 16–21, 19–21 | Bronze |

### Asian Junior Championships

Girls' singles
| Year | Venue | Opponent | Score | Result |
| 2017 | Jaya Raya Sports Hall Training Center, Jakarta, Indonesia | Han Yue | 15–21, 13–21 | Silver |

### BWF World Tour (1 title, 1 runner-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 Tours are divided into levels of World Tour Finals, Super 1000, Super 750, Super 500, Super 300 (part of the HSBC World Tour), and the BWF Tour Super 100.
Women's singles
| Year | Tournament | Level | Opponent | Score | Result |
| 2019 | Syed Modi International | Super 300 | Carolina Marín | 12–21, 16–21 | Runner-up |
| 2023 | Guwahati Masters | Super 100 | Line Christophersen | 21–14, 17–21, 21–16 | Winner |

### BWF International Challenge/Series (3 titles, 4 runners-up)

Women singles
| Year | Tournament | Opponent | Score | Result |
| 2018 | Austrian International | Anna Thea Madsen | 21–23, 17–21 | Runner-up |
| 2019 | Lao International | Natsuki Oie | 20–22, 21–23 | Runner-up |
| 2019 | Azerbaijan International | Lianne Tan | 21–15, 21–16 | Winner |
| 2019 | Spanish International | Kirsty Gilmour | 21–12, 21–15 | Winner |
| 2024 | Bangladesh International | Polina Buhrova | 19–21, 19–21 | Runner-up |
| 2024 | Nepal International | Ira Sharma | 22–20, 21–12 | Winner |
| 2025 | Sri Lanka International | Tidapron Kleebyeesun | 21–13, 14–21, 14–21 | Runner-up |
    BWF International Challenge tournament
    BWF International Series tournament

### BWF Junior International (8 titles, 4 runners-up)

Girls' singles
| Year | Tournament | Opponent | Score | Result |
| 2016 | Granular Junior Open | Ng Qi Xuan | 21–18, 21–13 | Winner |
| 2017 | Dutch Junior International | Yeo Jia Min | 16–21, 15–21 | Runner-up |
| 2017 | Banthongyord Junior International | Gregoria Mariska Tunjung | 11–21, 14–21 | Runner-up |
| 2017 | Jaya Raya Junior International | Jaslyn Hooi | 22–20, 21–12 | Winner |
| 2017 | India Junior International | Moto Hayashi | 21–19, 21–12 | Winner |
| 2017 | Singapore Youth International | Jaslyn Hooi | 21–17, 21–7 | Winner |
| 2018 | German Junior International | Zhou Meng | 22–20, 27–25 | Winner |
| 2018 | Banthongyord Junior International | Wang Zhiyi | 19–21, 16–21 | Runner-up |
| 2019 | Banthongyord Junior International | Zhou Meng | 23–21, 22–20 | Winner |
Girls' doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2015 | Russian Junior International | Supamart Mingchua | Ruethaichanok Laisuan Kilasu Ostermeyer | 17–21, 14–21 | Runner-up |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2018 | Banthongyord Junior International | Kunlavut Vitidsarn | Hiroki Midorikawa Natsu Saito | 23–21, 21–18 | Winner |
| 2019 | Banthongyord Junior International | Kunlavut Vitidsarn | Di Zijian Li Yijing | 21–11, 21–17 | Winner |
    BWF Junior International Grand Prix tournament
    BWF Junior International Challenge tournament
    BWF Junior International Series tournament
    BWF Junior Future Series tournament

## Record against selected opponents

Record against Year-end Finals finalists, World Championships semifinalists, and Olympic quarterfinalists. Accurate as of 28 November 2022.
| Players | Matches | Results | Results | Difference |
| Players | Matches | Won | Lost | Difference |
| Chen Yufei | 3 | 0 | 3 | –3 |
| He Bingjiao | 2 | 0 | 2 | –2 |
| Zhang Yiman | 2 | 1 | 1 | 0 |
| Saina Nehwal | 2 | 1 | 1 | 0 |
| P. V. Sindhu | 1 | 0 | 1 | –1 |
| Nozomi Okuhara | 3 | 1 | 2 | –1 |
| Players | Matches | Results | Results | Difference |
| Players | Matches | Won | Lost | Difference |
| Akane Yamaguchi | 2 | 0 | 2 | –2 |
| An Se-young | 7 | 2 | 5 | –3 |
| Sung Ji-hyun | 1 | 1 | 0 | +1 |
| Carolina Marín | 2 | 0 | 2 | –2 |
| Porntip Buranaprasertsuk | 1 | 1 | 0 | +1 |
| Ratchanok Intanon | 3 | 2 | 1 | +1 |