Stan Wawrinka's new union with coaching consultant Richard Krajicek got off to the worst possible start as he lost 6-2, 7-6 (3) to Fernando Verdasco in the first round of the Aegon Championships on Tuesday.
Swiss second seed Stanislas Wawrinka was pushed again to three sets before he progressed to the quarter-finals of the Buenos Aires Open on Wednesday.
Continuing his giant-killing spree, Slovenian qualifier Aljaz Bedene knocked out third seed and world number 15 Roberto Bautista Agut to set up the Chennai Open summit clash with top seed and defending champion Stanislas Wawrinka on Saturday.
Stanislas Wawrinka had to dig deep to beat Borna Coric at the Western & Southern Open in Cincinnati on Wednesday and conceded his thoughts had been far from tennis over the past few days.
IMAGES from Day 4 of the Wimbledon Championships, at the All England Lawn Tennis and Croquet Club, London, on Thursday.
Stanislas Wawrinka eked out the "biggest win" of his career when he downed Novak Djokovic in the final of the 2015 French Open and the Swiss champions says staying mentally strong is always key against the Serbian giant.
Stanislas Wawrinka was not supposed to play at the Chennai Open this year. However, following a change of schedule (and desire), the Swiss requested for and obtained a wild card for the event.
After a brief interruption when the players were locked at 5-5 in the opening set, Federer saved two set points in the tiebreak and held firm to gain the upper hand in the contest.
Stanislas Wawrinka trumped fellow Swiss Roger Federer at a grand slam for the first time with a 6-4, 6-3, 7-6(4) victory in the French Open quarter-finals on Tuesday.
Switzerland's Stanislas Wawrinka stepped out of compatriot Roger Federer's shadow and into the US Open semi-finals with a 6-4, 6-3, 6-2 upset of defending champion Andy Murray on Thursday.
Andy Murray hobbled out of the U.S. Open on Sunday, beaten 6-7, 7-6, 6-3, 6-3 in the third round by Switzerland's Stanislas Wawrinka after his ailing body let him down.
Novak Djokovic will meet Andy Murray in the final of the Australian Open. The Serb beat defending champion Stanislas Wawrinka 7-6(1), 3-6, 6-4, 4-6, 6-0 in the semi-final on Friday.
His success in Paris means Wimbledon remains the one major where he has not reached at least the semi-finals.
Images from Day 1 of the Australian Open, in Melbourne, on Monday.
Rafael Nadal fought off a ferocious challenge from Stanislas Wawrinka to earn his second Group A victory at the ATP World Tour Finals on Wednesday and guarantee ending 2013 as world number one.
Images from Day 6 of the 2016 US Open tennis tournament in New York, on Saturday.
World number two Murray, who smashed a frame in anger in the final game, said the proximity of next week's Davis Cup final on a claycourt in Ghent had not been a factor in his defeat.
Stanislas Wawrinka survived a second-set wobble to beat Jo-Wilfried Tsonga 6-1, 3-6, 6-3, 6-2 and give Switzerland a 1-0 lead over hosts France in the Davis Cup final on Friday. In the second match, Gael Monfils rose to the occasion as he upset Roger Federer 6-1, 6-4, 6-3 to help France level.
World No.4 Stan Wawrinka will look to win his third successive Chennai Open title, while the Indian challenge will be spearheaded by rising star Yuki Bhambri
Switzerland's potential Davis Cup fairytale this weekend was clouded by uncertainty over the fitness of Roger Federer and rumours of a strained relationship between the all-time great and his teammate Stanislas Wawrinka. But all seems to be fine now in the Swiss camp as this picture suggests.
If Stanislas Wawrinka's life depended on the outcome of one tennis match he would surely want Rafa Nadal fighting his corner, and while the stakes were not as high as life or death on Friday the Swiss player's fate was in safe hands.
For 15 minutes Novak Djokovic appeared to have a fight on his hands at the ATP World Tour Finals on Wednesday, then the Serb dialled up his A game and tore Stanislas Wawrinka to pieces.
Gauff cruises past Zidansek to reach French Open third round
Roger Federer's honeymoon at the Monte Carlo Masters ended abruptly when he went down 6-4, 7-5 to fellow-Swiss Stanislas Wawrinka in the third round on Thursday. World number three Novak Djokovic made sure he did not suffer the same fate as Federer when he overcame a second set hiccup to tame Spain's Albert Montanes 6-1, 6-7, 6-0.
Defending champion Stan Wawrinka avoided a repeat on Wednesday of his first-round scare, though he was still made to work hard in a straight-sets win over Japan's Taro Daniel. The Swiss third seed won 7-6(7) 6-3 6-4 and is now on a six-match winning streak on clay, having warmed-up for Roland Garros by winning the title in Geneva last week. Progress was by no means straightforward against a skilful opponent ranked 93rd in the world and Wawrinka has yet to switch to his A game. But he says it's there when he needs it. "If you look at the first two matches, for sure I'm not playing my best tennis, but I know I have my best tennis in me," the 31-year-old Wawrinka, playing in his 45th consecutive grand slam tournament, told reporters.
David Nalbandian survived a testing encounter with Stanislas Wawrinka to prevail 6-4, 3-6, 6-4, 6-2
Top seed Stanislas Wawrinka of Switzerland was bundled out of the Swiss Open on Thursday when he lost 6-4, 6-4 to unseeded Thomaz Bellucci in the second round. The 21-year-old Brazilian left-hander, ranked 119th in the world, controlled the game from early on and service breaks in the final game of the first set and the sixth of the second were enough to give him the victory.
Former champion Stan Wawrinka battled past Russian fourth seed Daniil Medvedev in five sets to reach the Australian Open quarter-finals with a 6-2, 2-6, 4-6, 7-6(2), 6-2 victory. Fifth seed Dominic Thiem kept his flawless record against Gael Monfils intact with a trouble-free 6-2, 6-4, 6-4 victory on Monday to reach his maiden Australian Open quarter-final.
Photos from the ATP World Tour Finals matches played in London on Monday
Coric, who had failed to win a match in his last two appearances in Beijing and Shenzhen, saved two break points at 3-3 in the second set and clinched the first four games of the decider to record his 32nd match win of the season.
Top seed Stanislas Wawrinka scored a clinical 6-3, 6-1 win over Benjamin Becker to progress to the quarter-finals of the ATP Chennai Open even as second seed Michael Youzhny conceded his singles match in yet another the player pull out in Chennai.
Seven-time Italian Open winner Rafael Nadal lost 7-6(7), 6-2 to Stanislas Wawrinka.
Former world number one Rafael Nadal displayed more signs of a return to top form with a ruthless 6-2, 6-1 hammering of Stanislas Wawrinka to reach the semi-finals of the Shanghai Masters on Friday.
Novak Djokovic began his bid to hold on to his number one ranking with an easy win over Gilles Muller in the Paris Masters second round while Andy Murray struggled through and Stan Wawrinka faltered on Wednesday.
Stanislas Wawrinka breezed into the fourth round of the BNP Paribas Open on Monday and saw another seed removed from his path to the final when lucky loser Yoshihito Nishioka of Japan turned his match against Tomas Berdych upside down.
Defending champion Stanislas Wawrinka said he is targeting a good showing at the ATP Chennai Open before he gets ready for his Australian Open title defence later this month.
With the Davis Cup final against France looming, Roger Federer and his Swiss team mate Stanislas Wawrinka on Tuesday played down talk of an internal row, sparked by the pair's fiery clash at the ATP World Tour Finals last week.
They now face eighth-seeded pair of Canada's Vasek Pospisil and local boy Jack Sock, whom they beat 6-1, 6-4 in Paris.
Ramkumar Ramanathan's good run at the Chennai Open continued as he combined with compatriot N Sriram Balaji to knock out fourth seeded Kiwi pair of Artem Sitak and Marcus Daniel on Wednesday and storm into the doubles quarter-finals.
Top seeded Briton Andy Murray was knocked out of the Australian Open in the fourth round on Sunday, losing 7-5 5-7 6-2 6-4 to German world number 50 Mischa Zverev on Rod Laver Arena.