World No. 277 Zhou Yi, a wild card, beat Musetti 7-6(7) 3-6 7-6(1) in Shanghai.
He never broke serve. Not once. 14 aces, zero double faults, and a 7-1 tiebreak to finish it.
Next up: Hurkacz, fresh off ending his 0-8 run against Djokovic. Fun little third round.