He began playing badminton when he was 4.
2012 Soh reached the final of boys' singles and doubles U-15 events at the 2012
Asian Youth Championships and became the runner-up for both events.
2015 In September, Soh partnered
Aaron Chia and reached the final of Malaysia Junior International, finishing as runners-up. In November, the duo competed at the
2015 World Junior Championships but crashed out in the fourth round. In the same month, Soh partnered
Ooi Zi Heng and won gold at the 2015
ASEAN School Games. Based on his improved performance, he was drafted to the national back-up squad at the end of the year where he was coached by
Cheah Soon Kit.
2016 In July, Soh and Ooi won the boys' doubles bronze medal at the
2016 Asian Junior Championships after they were defeated by the Chinese pair of
Han Chengkai and
Zhou Haodong in straight games in the semi-finals. In November, he won a silver medal in the mixed team event of the
2016 World Junior Championships after being defeated by China in the final. He then suffered injuries and was not able to compete in the individual event, failing to improve his performance from last year. Despite this, he was still drafted into the national team after the tournament.
2017 Soh played for Petaling BC at the beginning of the year. He partnered
Chen Tang Jie and reached the finals of
Malaysia International in July and
Waikato International in August. In October, Soh was recruited into the
national team. Before the end of the season, Soh reunited with Chia and managed to qualify for the finals of the
India International. In the following month, they got into the final of Malaysia International but lost out narrowly to
Mohammad Ahsan and
Hendra Setiawan. In August, the pair made their debut at the
2018 World Championships where they reached the quarter-finals before losing out to
Li Junhui and
Liu Yuchen. In November, they reached the final of
SaarLorLux Open but went down to
Marcus Ellis and
Chris Langridge in three games.
2019–2020: All England runner-up & SEA Games gold In March 2019, Soh and Chia participated in the
All England Open where they emerged as a surprise finalist. The pair settled for second best after losing to Ahsan and Setiawan in the final. In December 2019, he helped the Malaysian team to win a silver medal in the
men's team event at the 2019 SEA Games. He and Chia then took part in the
men's doubles event and went on to win the gold, beating
Bodin Isara and
Maneepong Jongjit in the final.
2021: First Olympic bronze In January, Soh and Chia reached their third BWF World Tour final at the
Thailand Open and finished as the runner-ups. In late July, the duo made their debut appearance in the
men's doubles event at the
2020 Summer Olympics. The duo prevailed against Ahsan and Setiawan 17–21, 21–17, 21–14 in the bronze medal playoff, winning bronze for Malaysia.
2022: First world title for Malaysia Soh was part of the Malaysian men's team that won gold at the
2022 Asia Team Championships in February. In late April, he and Chia entered the
2022 Asian Championships final but were bested by Indonesians
Pramudya Kusumawardana and
Yeremia Rambitan. He also won a bronze medal in the
men's doubles event with Chia, ending his debut campaign with two medals. and
Indonesia Open in June. Soh also helped the Malaysian team win a second consecutive bronze medal at the
2023 Sudirman Cup in May. In August, Soh and Chia were unable to defend their title at the
2023 World Championships. They settled for the bronze medal after losing to the eventual champions,
Kang Min-hyuk and
Seo Seung-jae, in the semi-finals. In October, the pair concluded their debut campaign at the
2022 Asian Games with a bronze medal finish in the
men's doubles event.
2024: Second All England runner-up finish & second Olympic bronze In February, Soh won his second silver medal as a part of Malaysia's men's team at the 2024 Asia Team Championships. In March, he and Chia participated in the
All England Open and brought home the silver medals again after surprisingly doing so five years ago in 2019. They lost to
Fajar Alfian and
Muhammad Rian Ardianto of Indonesia after going down with the score of 16–21, 16–21. In the following month, the pair lost in the semi-finals of the
2024 Asian Championships, securing them a bronze medal. In the bronze medal match, he and Chia retained their Olympic bronze medals, defeating
Kim Astrup and
Anders Skaarup Rasmussen of Denmark in three tight games, 16–21, 22–20, 21–19.
2025: Asian Championships title Soh with his normal partner, Chia started the tour with good starting point, reaching semifinals in the
India Open. The next week, they repeated the same feat in
Indonesia Masters, beaten by their compatriots,
Man Wei Chong and
Tee Kai Wun who did go on to win the whole tournament. Although no success in the first three months, Soh and Chia won their first
Asian Championships in April, defeating
Chen Boyang and
Liu Yi of China in their opponent homeground. In May, Soh and Chia maintained their momentum by snatching their first title of the year in
Thailand Open in grueling three sets. Soh and Chia made the final of
Malaysia Masters but for the second time in a year, lost out to Man and Tee in an all-Malaysian finals bout. On the next week, Soh and Chia surging through their good form and making the final for three straight competition, this time winning the
Singapore Open. Soh and Chia the reached
China Open final in July but lost to the Indonesian makeshift pair of
Fajar Alfian and
Muhammad Shohibul Fikri, thus continuing their droughts of gaining the Super 1000 titles after failing in their sixth attempts. Soh and Chia reached the next final at
Arctic Open in October but they are defeated by
Ben Lane and
Sean Vendy. In December, he won two silver medals in the
SEA Games in Thailand. He and his partner, Chia, helps the team reached the final, but they were beaten by
Sabar Karyaman Gutama and
Muhammad Reza Pahlevi Isfahani where the team lost 0–3 in the finals tie against Indonesia. Their pace in the individual men's doubles also stopped by Gutama and Isfahani in the final in straight game.
2026 Soh and Chia were on the good form at the beginning of the year as the became the first Malaysian pair to advance to the
Malaysia Open final in 12 years since
Goh V Shem and
Lim Khim Wah won it back in 2014. Unfortunately their luck ran out in the final as they were dispatched by the number one pair at that moment,
Kim Won-ho and
Seo Seung-jae in a nail-biting three games. Their next final of the year would be at the
All England Open where Soh and Chia once again lost out against Kim and Seo in another three games match. ==Awards==