[10] He claimed the gold medal at the Asian Junior Championships in 2019, where he previously won a silver in 2018 and bronze in 2017.

[34] Due to the COVID-19 pandemic, numerous tournaments on the 2020 BWF World Tour were either cancelled or rescheduled for later in the year.

[35] His best result in 2021 was being finalists in the Swiss Open and in the Indonesia badminton festival the World Tour Finals, where he was defeated by Axelsen.

[15][39][40] Competed as the seed 16, Vitidsarn claimed the silver medal in the World Championships, where in the finals he lost to Axelesen in straight game.

[14] A good start in the 2023 season was shown by Vitidsarn by becoming semi-finalists in the Malaysia Open losing the match to Kodai Naraoka in a close rubber game lasting for an hour 53-minutes.

[41] He then beat the current world number 1 Viktor Axelsen to claim his first title of the year in the India Open.

[42] He then became the fourth Thai men's singles player to win the home soil title, the Thailand Open in early June.

In the final, he prevailed as he defeated Naraoka in a rubber game to win the gold medal, and achieved his highest BWF world ranking of third in the men's singles category.

[4][16] Vitidsarn competed in the Hangzhou 2022 Asian Games, but failed to win medal both in the team and individual event.

Vitidsarn achieved a significant milestone by winning a silver medal at the Paris 2024 Olympics, after advancing to the final by defeating world number one Shi Yuqi of China.

[51] A good srart shown by Vitidsarn in the beginning of the 2025 BWF World Tour, when he reached the quarter-finals at the Malaysia Open.