Petersburg Open (St. Petersburg, Russia)

Russian Andrey Rublev will try to make his mark on home soil this week as the top seed at the St. Petersburg Open. The home favourite, who recently clinched his place at the Nitto ATP Finals, is the defending champion at this event.

But countryman Aslan Karatsev carries top form into the ATP 250, having lifted his second ATP Tour trophy on Sunday in Moscow. The 28-year-old is the fourth seed this week.

Other players to watch include second seed Denis Shapovalov, a semi-finalist at this tournament last year, Russian standout Karen Khachanov and two seeded Americans: fifth seed Taylor Fritz and eighth seed Sebastian Korda.