Source: Reuters
UPDATE 2-ATP World Tour Finals, World Tour Finals Men's Singles Seeds Progress
Nov 17 (OPTA) - Seeds Progress from the ATP World Tour Finals, World Tour Finals Men's Singles matches on Friday
Seeds
Seed Round Rslt Opponent Score
1 Novak Djokovic (SRB)
semi to play 4-Kevin Anderson (RSA) (start 20:00)
robin won 3-Alexander Zverev (GER) 6-4 6-1
robin won 5-Marin Cilic (CRO) 7-6(7) 6-2
robin won 8-John Isner (USA) 6-4 6-3
2 Roger Federer (SUI).readfullarticle