Unlucky Dolgopolov get injured to his knee to skip the US Open series. He may need an operation

Tough luck for Alexandr Dolgopolov. The Ukrainian will not be fit to play the entire North American summer as he got injured to his knee in Hamburg.

The world no.21 broke the news on Instagram on Sunday posting “I am really unhappy to announce that I injured my knee in Hamburg and I will probably need a surgery and will be out for 4-6 weeks. Disappointing,specially not playing the great event in Umag, the Us series and Davis cup play offs:((( hopefully il be back ASAP.”