Shin became a professional player in July 2012. He qualified as a pro in the same tournament as Shin Jinseo; the "two Shins" (Korean: 양신; Hanja: 兩申) have often been compared.[1] He studied Go under Lee Sedol, staying at Lee Sedol's house from March to July 2013.[1][2]
He won six consecutive games for Korea in the 19th Nongshim Cup (2017–2018). He was finally eliminated in the seventh game by China's Dang Yifei, who went on to win five consecutive games, before Kim Ji-seok won the final two games to clinch the victory for Korea.[3][4]
In 2018, he took second place in the Globis Cup, an international U-20 tournament in Japan.[5][6] He finished in the top four in the 23rd LG Cup, after losing in the semifinal to Yang Dingxin.[7] He won the Globis Cup in 2019.[8][9]
In 2021, he won his first international championship at the 25th LG Cup, with a 2–1 victory in the final over eight-time world champion Ke Jie.[10][11][12]