2016 ATP World Tour Finals: 5 matches to look forward to

LONDON, ENGLAND - NOVEMBER 10:  Andy Murray of Great Britain, Novak Djokovic of Serbia, Stan Wawrinka of Switzerland, Milos Raonic of Canada, Kei Nishikori of Japan, Gael Monfils of France, Marin Cilic of Croatia and Dominic Thiem of Austria are introduced on stage at Cutty Sark on November 10, 2016 in London, England.  (Photo by Julian Finney/Getty Images)
The ATP World Tour Finals begin today

#4. Stan Wawrinka vs Kei Nishikori

NEW YORK, NY - SEPTEMBER 09:  Stan Wawrinka (R) of Switzerland shakes hands with Kei Nishikori (L) of Japan after their Men's Singles Semifinal Match on Day Twelve of the 2016 US Open at the USTA Billie Jean King National Tennis Center on September 9, 2016 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Mike Hewitt/Getty Images)
Nishikori and Wawrinka will be locking horns for the third time this year

Kei Nishikori and Stan Wawrinka have locked horns six times with the Swiss leading the head-to-head by 4-2. While Nishikori has had a good run of form for most of the year, Wawrinka did not have a very consistent year.

Wawrinka began the year by winning his fourth Chennai Open title before going down to eventual semi-finalist Milos Raonic in the fourth round of the Australian Open. He then won the Dubai Tennis Championships before a string of disappointing performances at Indian Wells and Miami where he exited in the fourth and second rounds respectively.

After a quarter-final appearance at the Monte Carlo Masters, Wawrinka disappointed at the Madrid and Italian Opens before winning the Geneva Open. He ended his clay-court season by reaching the semi-finals of the French Open before losing to Andy Murray, thus failing to defend his winners’ points from last year.

He had a poor grass-court season where he was knocked out in the opening round of the Queen’s Club Championships and in the second round of Wimbledon. After reaching the final of the Rogers Cup, Wawrinka lost in the third round of the Cincinnati Masters. This was followed by his crowning moment of the year as he won the US Open by beating defending champion Novak Djokovic in the final.

He was then shocked in the final of the St. Petersburg Open by emerging talent Alexander Zverev before a string of poor performances in the Shanghai Masters, Swiss Indoors, and the Paris Masters.Their meeting at the World Tour Finals will be the third time Wawrinka and Nishikori will be facing one another this year with their head-to-head for this year being 1-1 with Nishikori beating Wawrinka at the semi-finals of the Rogers Cup and Wawrinka avenging his defeat at the same stage of the US Open.

Even though both have been kind of patchy following the US Open, they will be expected to put up an enthralling showing at the World Tour Finals.Prediction- Wawrinka to win in three sets.

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