The victory saw him move up by three places to stand only behind Spain's Rafael Nadal and Swiss star Roger Federer.
They will take on Thai twins Sanchai and Sonchat Ratiwatana in the doubles final at the Chennai Open.
Novak Djokovic began his challenge for a hat-trick of ATP World Tour Finals triumphs in London with a 6-1, 6-1 demolition of Croatia's Marin Cilic.
IMAGES from the matches played at the Miami Masters on Sunday
Defending champion Naomi Osaka of Japan was upset 7-5, 6-4 by Belinda Bencic in the fourth round at the US Open on Monday as the Swiss reached the quarter-finals for the second time.
The fifth-seeded Austrian, who saved two match points, will face Novak Djokovic on Saturday after the world number one's opponent Marin Cilic withdrew with food poisoning.
Check out the gold medallists on Friday, Day 14 of the Olympics in Rio de Janeiro.
Benoit Paire made a remarkable Davis Cup debut for France, outplaying Pablo Carreno-Busta 7-5, 6-1, 6-0 in the opening rubber of the World Group semi-final tie against Spain at the Stade Pierre-Mauroy on Friday.
American qualifier Steve Johnson is through to his first ATP Tour semi-final after an emphatic victory at the Delray Beach Open on Friday.
The FBI chief has warned that the Islamic State has become a bigger threat to the United States than the Al Qaeda as the dreaded group has influenced a significant number of Americans through social media and instructed them to carry out attacks in their own country.
Order of play on the main show courts at the French Open.
Serena Williams wasted no time in sweeping aside big-serving Hungarian Timea Babos.
A controversial 'baby Trump' blimp is flying near British Parliament on Friday morning as hundreds descend on London to protest against the US president's controversial visit to the United Kingdom.
'Tis the season to be jolly! And to celebrate the festive season, the White House has been decorated for Christmas with care and United States First Lady Melania Trump has unveiled its patriotic theme, which contain nods to the first family's various interests, the US president's love of buildings, her 'Be Best' campaign and Barron Trump's love of soccer. Take a look at the decorations.
In the earlier match, Zverev beat Cilic -- the Croat's 9th loss in 10-round robin matches in the Finals
American and Afghanistan forces have killed 40 militants to capture a remote Afghan valley.
'It's a very tough situation. We're talking to India. We're talking to China. They've got a big problem there'
Cilic marches past Querrey into Queen's semis
Images from Monday's action at the French Open.
Big-serving Isner reaches Montreal second round
Djokovic is clubbed with Federer, Juan Martin Del Potro, David Goffin and Alexander Zverev.
The Internet in the sky will allow marines to download imagery from a spy satellite.
Oklahoma Representative John Bennett asked his constituents taking part in the state's third annual 'Muslim Day' to fill out the bizarre questionnaire.
Taking a serious view of the suspicious movement of an American ship in Indian waters, the Centre on Monday sought a report from the Tamil Nadu government on the vessel which was detained for carrying arms and buying diesel unauthorisedly.
The eight-time World champion was a class above the filed in the first leg of the UIM Powerboat World Championship Grand Prix.
Wimbledon champion Garbine Muguruza notched up her first ever victory on Arthur Ashe Stadium with a 6-0, 6-3 win over American Varvara Lepchenko at the US Open on Monday.
Images from Sunday's action at the Australian Open in Melbourne.
Team Europe swept the singles matches at the inaugural Laver Cup on Friday before Australian Nick Kyrgios and American Jack Sock took down top-ranked Rafael Nadal and Tomas Berdych in the doubles to salvage a point for Team World.
Zico has been promised the backing of the Brazilian Football Confederation (CBF) for his bid to run for the FIFA presidency if he can show he has the support of four other federations.
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.
World No 1 Novak Djokovic began his Paris Masters title defence with a routine 6-3, 6-4 win over German Philipp Kohlschreiber in the second round on Tuesday.
Beaten twice by Nadal in the space of a month, in the Barcelona and Madrid Open finals, Thiem took his revenge by handing the 30-year-old Spaniard a first clay court defeat of the season in Rome.
Six-time champion Novak Djokovic's hopes of turning around his season at the Miami Open ended in the second round when he was defeated 6-3, 6-4 by Frenchman Benoit Paire.
It was the 31-year-old Serb's second comfortable win in the Gustavo Kuerten group and combined with Marin Cilic's 6-7(2), 6-3, 6-4 defeat of American John Isner later in the day, he sealed his place in the semi-finals at the year-ender for the eighth time.
How many of these have you tasted?
This quick snack can be prepared in 30 minutes.
Images from matches played on Day 4 at the US Open at the Flushing Meadows in New York on Thursday.
Frenchman Benoit lost his temper in the third game of the second set when top seed Tsitsipas halted the match to attend to a broken shoe lace.
