In this series, we'll evaluate which Big 12 program is faced with a must-win game each week based on a variety of circumstances - recent record, upcoming schedule, the timeliness and impact a loss will have on the rest of the season, and other factors.
The German, who has won five tournaments this year, including two Masters 1000 titles, began to swing freely in the next and unlocked Sock with a quick-fire double break to take control and send the match into a final-set shoot-out.
The French duo were set to face No.2 seeds Henri Kontinen and John Peers who will now face the winner of group Woodbridge/Woodforde on Saturday. But he admits that getting to the top of the charts is not a realistic goal for him at this stage in his career despite a staggering year. But his sixth attempt was different, and winning it gave Federer the second set.
The key moment came in the decisive tie-break with Cilic a mini-break ahead at 4-3.
Marin Cilic has lost chances of an exit in the semi-finals, and Jack sock for a place in the four of the strongest argue with Alexander Zverev. "I was down 1-4 within 10 minutes where I didn't put many balls in the court". I had match points in both matches, ' he said. Especially on this little bit faster surface, it's tough for me.
Everything was pointing against American Jack Sock on Thursday night at the Nitto ATP Finals in London.
In their first meeting since that All England Club showdown, Federer haunted Cilic once again as he fought back at the O2 Arena. 'I have no regrets because I exceeded my expectations'.More news: Neymar can lead Brazil to World Cup glory, says Roberto Carlos
Winning the Tour Finals for the first time since 2011 would be another feather in his cap at the end of a remarkable renaissance year, which has seen him capture seven titles.
The American had the advantage in the shortest points, managing to tame Zverev's lethal first groundstroke after the serve, and he also stole the show in the longest points, leaving Sascha to dominate in the mid-range segment, which proved not to be enough.
It was the Croatian who edged through in a tight first set, though Federer found his best at the end of another even stanza to level the match up. I started doing that midway through the second set.
"I think I have a good support team around me right now that's really going to ensure that I can compete at this level", Shapovalov said.
"But of course it gives me time to prepare for Saturday".
Zverev failed to find any rhythm with his forehand early on and looked to be suffering some early jitters. He was 89. Pacheco's daughter, Tina Louise Pacheco, told The Associated Press that he died Thursday morning at his Miami home after a prolonged illness.
Cilic snapped a six-set losing streak to Federer by smashing a crosscourt winner to claim the first-set tiebreak.