Novak Djokovic of Serbia enters the court before the singles group semifinal against Dominic Thiem of Austria at the ATP World Tour Finals 2020 in London, Britain, Nov. 21, 2020. (Xinhua/Han Yan)
In pics: singles group semifinal at ATP World Tour Finals 2020
Source: Xinhua| 2020-11-22 09:28:39|Editor: huaxia
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