The Indo-Pakistan duo beat top seeds Harel Levy of Israel and Lars Burgsmuller of Germany in the semi-finals.
Aryna Sabalenka rose above geopolitical tumult to become the first player to claim a Grand Slam title as a neutral at the Australian Open.
Nick Kyrgios was given a warning for taking too long to return Tsitsipas's serve
Leander Paes and his Czech partner Radek Stepanek faltered at the final hurdle as they suffered an upset straight-set defeat at the hands of Alexander Peya of Austria and Brazil's Bruno Soares to finish runners-up at the ATP Japan Open in Tokyo on Sunday.
The unseeded Indian Davis Cupper upset world No 86 Bobby Reynolds 6-4, 3-6, 6-3 in the semi-finals of the hardcourt event. He will take on American fourth seed and world No 91 Robert Kendrick in the final.
Paradorn Srichaphan overcame a fighting Tomas Zib 7-6 (7-5), 6-3 to enter his fourth successive ATP Chennai Open final.
'Generally, I'm happy outside the court, happy on the court, happy in life. Then I think you play your best.'
Andy Murray is performing a delicate balancing act as he prepares for a claycourt Davis Cup final and the ATP World Tour Finals on an indoor hardcourt at the O2 Arena.
The Indo-Croatian pair defeated Kristian Pless of Denmark and Danai Udomchoke of Thailand in straight sets in the semi-finals.
The top seeded Indian pair of Divij Sharan and Purav Raja reached their first final of the season together after overcoming a fighting combo of Toshihide Matsui and Danai Udomchoke in straight sets in the ATP Kyoto Challenger event on Friday.
Defending champion Roger Federer overcame some dogged resistance by Spain's David Ferrer to reach the final of the ATP World Tour Finals on Saturday, winning 7-5, 6-3 at the O2 Arena.
Novak Djokovic completed a 100 percent round-robin record at the ATP World Tour Finals with a 6-2, 7-6 defeat of Czech Tomas Berdych on Friday booking his place in the semi-finals.
Indian tennis ace Sania Mirza said she is excited to be part of same team as Swiss veteran Roger Federer in the upcoming International Premier Tennis League (IPTL).
India's Rohan Bopanna and Ramkumar Ramanathan registered a resounding straight-set win to cruise into the doubles semi-finals but it was the end of the road for compatriot Sania Mirza and her Ukrainian partner Nadiia Kichenok, in Adelaide, on Friday.
Mahesh Bhupathi and Max Mirnyi suffered their third defeat in an ATP Masters series final this season, losing the summit clash of the Cincinnati event 3-6, 4-6 to second seeds Mike and Bob Bryan.
Indian tennis ace Mahesh Bhupathi and his Belarussian partner Max Mirnyi reached their third ATP World Tour final of the year together, beating fifth seeds Lukasz Kubot and Oliver Marach in straight sets in the Cincinnati Masters Tennis Tournament.
'It's pretty amazing to get the call from the Spanish king'
Rohan Bopanna reached his first final of the season along with Great Britain's Colin Fleming after outclassing Julian Knowle and Filip Polasek in straight sets at the ATP Open 13, in Marseille.
The second seeds cruised through the second set after a tense opener
Mahesh Bhuapthi and Rohan Bopanna, who need to improve their rankings to earn a direct entry to the London Olympics, stormed into the final of the ATP Dubai Open on Friday. The fourth seeded Indian pair got the better of the giant-killing Austrian pair of Julian Knowle and Alexanderin Peya 7-6(2), 7-6 (7) in the semi-finals of the US $1,700,475 hardcourt event.
Zverev had surgery on torn ligaments in his right ankle this month after he was forced to retire from his French Open semi-final against Rafael Nadal.
India's Leander Paes and his German partner Andre Begemann conceded a one-set advantage to go down to Dominic Inglot and Henri Kontinen in the men's doubles final of the St Petersburg Open on Sunday.
Somdev Devvarman extended his excellent run at the ATP Shanghai Challenger by reaching the singles finals with a hard-fought win over Italy's Luca Vanni.
Norrie's semi-final opponent will be another American, fourth-seeded Tommy Paul, who crushed Stefan Kozlov 6-3, 6-1 in an all-US matchup.
The world number one looked unstoppable as he battered Berdych 7-6, 6-1 to set up last four clash with home favourite Andy Murray before Novak Djokovic crushed a jaded Andy Roddick 6-2, 6-3 in the final Group A action to book a meeting with Roger Federer.
Nadal converted two of three break chances to claim his 19th win in 22 encounters against the Swiss.
Indian Davis Cupper Rohan Bopanna and doubles partner Aisam-ul-Haq Qureshi are in line for their second ATP Tour title of the season after making the final of the clay court event in Casablanca, Morocco.
The Serbian top seed won a fourth successive title at the All England Club to take his overall Grand Slam tally to 21.
Divij Sharan and Purav Raja squandered a superb start and bowed out of the ATP Challenger in Furth, Germany, after losing to local favourites Kevin Krawietz and Dominic Schulz 5-7, 3-6 in the quarter-finals.
The seventh seeded pair beat the Austria-Brazilian combination of Alexander Peya and Bruno Soares 6-3, 5-7, 10-8 in an hour and 42 minutes.
Mahesh Bhupathi and Mark Knowles beat Jonas Bjorkman and Kevin Ullyett 6-2, 6-4 in the semi-finals of the Madrid Masters.
Roger Federer took a big step towards securing his endangered place in the ATP World Tour Finals by overcoming rising Canadian talent Vasek Pospisil 6-3, 6-7(3), 7-5 in the Basel Open semi-finals on Saturday.
Leander Paes and Radek Stepanek outplayed Daniele Bracciali and Frantisek Cermak in straight sets to storm into final of the ATP Japan Open in Tokyo.
Serbia have been drawn in Group B alongside Spain, South Korea and Canada.
Andy Murray saved five match points to defeat Jiri Lehecka at the Qatar Open on Friday and reach a first ATP Tour final since June last year.
India's Rohan Bopanna and Belarussian partner Max Mirnyi reached the doubles final of the St Petersburg Open defeating Mikhail Mertinak of Slovakia and Lovro Zovko of Croatia 7-5, 6-2 in St Petersburg on Saturday.
Mahesh Bhupathi and Rohan Bopanna won their first match at the ATP World Tour Finals, scoring a 6-3, 5-7, 10-5 victory over Robert Lindstedt and Horia Tecau in Group B to keep their semi-final hopes alive, while Leander Paes and Radek Stepanek also made a winning start.
Stefanos Tsitsipas said he would not be surprised if Daniil Medvedev beat Novak Djokovic