ST. PETERSBURG, Russia (AP) — Mikhail Kukushkin reached the quarterfinals of the St. Petersburg Open on Tuesday, while Adrian Mannarino was eliminated in the second round. Kukushkin, the St. Petersburg champion in 2010, recovered from 4-2 down in the first set to win 7-6 (2), 6-2 against 2017 champion Damir Dzumhur, who saved four match […]
