The German world number seven claimed his first ATP crown of the year after besting Canada's Felix Auger-Aliassime 6-3, 6-3 to win the bett1HULKS Indoor title at the same venue last Sunday.
UAE Royals returned to winning ways by posting a thrilling 26-21 victory over Manila Mavericks on Day 2 of the Singapore leg of the International Premier Tennis League.
Images from all the action on Day 9 of the Australian Open at Melbourne Park on Tuesday
Briton Andy Murray will take over from Novak Djokovic as World No 1 when the rankings are updated on Monday after his Paris Masters semi-final opponent Milos Raonic withdrew with a leg injury on Saturday.
Marin Cilic sent Croatia into the Davis Cup final with a 6-3, 6-2, 7-5 victory against Richard Gasquet on Sunday that gave the hosts a 3-1 win over France.
David Goffin put the visitors ahead by beating Lucas Pouille in the opening singles before Jo-Wilfried Tsonga levelled for 1-1 when he defeated Steve Darcis in the second singles on Friday.
Switzerland's preparations for the Davis Cup Final against France in Lille on Sunday have been disrupted by a back injury to Roger Federer and a spat within the Swiss camp.
Seeing world number 50 Mischa Zverev and wildcard Denis Istomin upset the top two players in the world at Melbourne Park shows more players believe they can take shake up the established order and that can only be good for tennis, says Roger Federer.
US tennis powerhouse Serena Williams dispatched France's Alize Cornet in two sets on Monday, ending a streak of weak family performances that saw older sister Venus eliminated from singles on Saturday and the pair knocked out in doubles on Sunday.
Top seed and defending champion Novak Djokovic rallied to see off Frenchman Gael Monfils 6-7(4), 6-2, 6-4 in the Shanghai Open quarter-finals on Friday and world number one Rafa Nadal also booked his place in the last four.
Images from the Australian Open matches played at Melbourne Park on Wednesday.
Novak Djokovic's star still burns bright as he returns to Melbourne Park in search of a record seventh Australian Open title.
The charismatic 18-year-old Canadian has infatuated the New York crowds with his skill and on court panache that has made him the youngest man to make it into the fourth round of the US Open since American Michael Chang in 1989.
Factbox on Serbia's Novak Djokovic and Great Britain's Andy Murray who will contest his sixth Australian Open men's singles final on Sunday.
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.
Borna Coric and Marin Cilic put Croatia in complete control of the Davis Cup final on Friday, leaving hosts and defending champions France facing what looks like mission impossible.
World No 1 Novak Djokovic kicked off his bid for a fourth Canadian crown with a 6-3, 7-6(4) second round win over a stubborn Thomaz Bellucci at the Rogers Cup on Tuesday.
Novak Djokovic has admitted that Andy Murray's attempt to surge to the top of the rankings has rejuvenated an otherwise mediocre season for the World No. 1.
Nick Kyrgios's Australian Open ended with a gallant fourth round defeat by an inspired Grigor Dimitrov on Sunday but the maverick talent leaves Melbourne Park after winning over a nation.
Serbia sealed their place in the Davis Cup quarter-finals in straightforward fashion but Britain survived another nail-biter before joining them in the last-eight on Thursday.
British player Dan Evans has been provisionally suspended after admitting on Friday that he had failed a doping test for cocaine at the Barcelona Open in April.
Konta, Sharapova fall at Rogers Cup in Toronto
The latest tennis rankings have been announced by the ATP and WTA
Novak Djokovic and Serena Williams are top seeds at the major starting Monday
Andy Murray is more afraid of losing his wedding ring than a tennis match these days but that did not stop him from storming to a 10th successive win on clay at the Rome Masters on Wednesday.
World No 1s Andy Murray and Angelique Kerber have been named top seeds for the first major of the season, Australian Open, which will commences on January 16.
Roger Federer produced a vintage performance to crush Richard Gasquet 6-4, 6-2, 6-2 and seal Switzerland's maiden Davis Cup title with a 3-1 win over hosts France on Sunday.
Novak Djokovic was dumped out of the Paris Masters in straight sets by Marin Cilic on Friday, opening the door for Andy Murray to end the Serb's two-year stranglehold on the world number one ranking.
Novak Djokovic recovered from a slow start as he continued the bid to retain his world number one ranking with a 4-6, 6-2, 6-3 win over 14th-seeded Bulgarian Grigor Dimitrov in the Paris Masters third round.
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.
Lucas Pouille was not prepared to say his pulsating four hour, fourth-round upset of 14-time grand slam winner Rafael Nadal at the US Open on Sunday was a career changing moment.
Top seed Simona Halep came back from 4-1 down in the deciding set to beat Elina Svitolina 6-3 3-6 6-4 in the Qatar Open semi-final on Friday, marking her first victory over the Ukrainian in nearly two years.
A rampant Novak Djokovic completed a stunning 6-0, 6-2, 6-2 demolition of Lucas Pouille, on Friday, to storm into his seventh Australian Open final and set up a mouthwatering title match with Rafael Nadal.
Milos Raonic, the finalist at Wimbledon this year, and women's world number five Simona Halep of Romania have pulled out from next month's Rio Olympics due to fears over the Zika virus.
Serena Williams was forced to go on the attack once again to defend equal prize money after she reached a ninth Wimbledon final in a new record time. The world number one blasted Russia's Elena Vesnina off Centre Court in just 48mins 34sec, the fastest ever semi-final at the All England Club. Vesnina earned 500,000 ($649,000) by making the last four.
Summary of sports events and persons who made news on Saturday
Images from the Australian Open in Melbourne on Thursday.
Holder Serena Williams survived her toughest challenge yet at this year's French Open as she battled into the fourth round with a 6-4, 7-6(10) win over Frenchwoman Kristina Mladenovic in a rain-disrupted match on Saturday.
Richard Gasquet kept his ATP World Tour finals hopes alive when he overcame Fernando Verdasco 7-5, 6-7(6), 6-3 to reach the Paris Masters third round as fellow Frenchman Jo-Wilfried Tsonga crashed out of the race on Tuesday.
Top seed Novak Djokovic launched his Shanghai Open title defence in fine style, breezing past Spain's Marcel Granollers 6-2, 6-0 on Wednesday. Later Roger Federer, playing his first singles match since a fourth-round exit at the US Open, made a brisk return to winning ways, beating Andreas Seppi 6-4, 6-3.
