Sofia Open—Sofia, Bulgaria
Second-round results:
Jannik Sinner Defeats Marc-Andrea Huesler 63 64
(3) Alex de Minaur Defeats Aslan Karatsev 64 76(5)
(5) Adrian Mannarino Defeats Egor Gerasimov 64 76(6)
(6) John Millman Defeats Gilles Simon 75 67(3) 62
