[2] She competed in the 2019 ITTF World Tour Grand Finals in the mixed doubles event with Cho Dae-seong.

[4] She also participated in the 2019 Asian Table Tennis Championships in both the women's singles and the mixed doubles, winning against the much higher ranked Cheng I-ching in the round of 32, 3–2, but lost to Feng Tianwei in the round of 16, 0–3 in the women's singles.

[11] Shin also upset Miu Hirano in the round of 16 in an aggressive and dominant win.

Shin and Jeon Ji-hee competed in women's doubles and advanced to the semifinals by winning over Taiwan.

She also won the gold medal in the women's table tennis doubles at the Asian Games for the first time in 21 years.