Tennis News

Alexander Zverev eased past Thiago Monteiro 6-4, 6-4 as Germany beat Brazil for a winning start to its United Cup defense Sunday.

Novak Djokovic has weighed in on tennis's high-profile doping cases and criticized what he perceives as double standards in the sport.

Four-time Grand Slam champion Naomi Osaka says she won't "hang around" in tennis if her results fail to match her high expectations.