The 28-year-old, back in Cincinnati after a four-year absence from the US Open warmup event, powered down 17 aces to rally past Berdych after he surrendered the opening set following a listless start

Del Potro makes winning return in Cincinnati Open

czech-tomas-berdych

Czech Tomas Berdych, News on Czech Tomas Berdych, stories on Czech Tomas Berdych, articles on Czech Tomas Berdych, Czech Tomas Berdych stories at Wion, Czech Tomas Berdych news, Czech Tomas Berdych latest news

czech tomas-berdych

Del Potro makes winning return in Cincinnati Open