Six-times champion Federer won 6-7(5) 6-4 6-1 leaving the stage set for Zverev and Sock to slug it out for the runners-up spot and a semi-final against Bulgarian Grigor Dimitrov. Zverev double-faulted to gift Sock another break for a 3-1 lead and was staring defeat in the face at 4-1 down. Here are highlights from both matchesLooking to keep the record intact... Roger Federer vs Marin Cilic LIVE now on Tennis TV https://t.co/kRsZ9udpkC pic.twitter.com/e7zuQsdsUo — Tennis TV (@TennisTV) November 16, 2017An upset on the cards? pic.twitter.com/uAUgE6Li7w — Tennis TV (@TennisTV) November 16, 2017High quality tennis is on show tonight...#NittoATPFinals pic.twitter.com/GAZwRY5Do3 — Tennis TV (@TennisTV) November 16, 2017Advantage, @JackSock... pic.twitter.com/3axDAJDLCw — Tennis TV (@TennisTV) November 16, 2017Federer flicks and sensational Sock tricks were among the memorable moments on Day Five of the #NittoATPFinals... pic.twitter.com/5ilSlyXTOB — Tennis TV (@TennisTV) November 17, 2017(Inputs from Reuters)

Source: dna November 17, 2017 04:18 UTC