Sania Mirza was the only Indian left competing in the Western and Southern Open by reaching the semi-finals as Leander Paes and Rohan Bopanna were ousted from the men's doubles with their respective partners in Cincinnati.
After shaking hands with the opponents, the 24-year-old Zverev, ranked third in singles, approached the umpire's chair and hit it repeatedly before heading towards his courtside seat, upset over a line call during the match earlier.
Defending champions Indian Aces bounced back in style to beat Singapore Slammers 27-20 and record their second successive win in the Japan leg of the International Premier Tennis League (IPTL) season 2 in Kobe.
Tennis matches at the Ariake Tennis Park will begin from 3pm local time (0600 GMT) from Thursday, governing body International Tennis Federation said after requests from players who had struggled in the stifling weather.
Indian challenge ended at the ATP Paris Masters when Rohan Bopanna and his French partner Edourad Roger-Vasselin lost their quarter-final against Ivan Dodig and Marcelo Melo.
Rohan Bopanna and Florin Mergea saved a match-point before emerging winners, while Sania Mirza and Martin Hingis were also tested en route to the quarter-finals of the ATP/WTA Western and Southern Open, in Cincinnati, on Thursday.
Rohan Bopanna and Pablo Cuevas shocked top seeds Marcelo Melo and Lukas Kubot to storm into the semi-finals of the Erste Bank Open
Leander Paes and Raven Klaasen breezed into the title clash of the Heineken Open after knocking out second seeds Bruno Soares and Alexander Peya in the semi-finals in Auckland on Friday.
Stan Wawrinka showed his class in both singles and doubles to lead the Singapore Slammers to victory in the International Premier Tennis League (IPTL) final in front of a delighted home crowd at the Indoor Stadium on Sunday.
Bob and Mike Bryan thrashed French duo Julien Benneteau and Edouard Roger-Vasselin 6-0, 6-3 to reach the final of the ATP World Tour Finals on Saturday.
Fifth seeds Sania Mirza and Cara Black cantered into the second round, even as the duo of Rohan Bopanna and Aisam-ul-Haq Qureshi were shown the door in the men's doubles, at the French Open, in Paris, on Thursday.
India's Sania Mirza continues to top the women's double chart while her partner Martina Hingis of Switzerland maintained her second spot in the latest tennis WTA rankings issued on Monday. Sania is atop the list with 11395 points while Hingis has 11355 points in her kitty. Sania and Martina, the world number one women's doubles team, have stitched a 26-match winning streak together, which has brought them six titles in a row at the US Open, Guangzhou, Wuhan, Beijing, WTA Finals and Brisbane. It is the longest winning streak since Italians Sara Errani and Roberta Vinci's 25 in a row in 2012.
India's Rohan Bopanna and his French partner Edouard Roger-Vasselin stormed into the pre-quarterfinals of the Australian Open after registering a comfortable straight sets victory in the men's doubles, on Friday.
Rohan Bopanna secured a direct entry into the men's doubles at the Rio Olympics after officially returning to the top-10 in the ATP men's doubles rankings on Monday.
Spaniards Rafael Nadal and Garbine Muguruza were named as the International Tennis Federation (ITF) world champions on Friday - the first time in 19 years the awards have gone to players from the same country.
Sania Mirza and Leander Paes were on course for a Australian Open showdown as they reached the mixed doubles semifinals with their respective partners, in Melbourne.
Rohan Bopanna and his Romanian partner Florin Mergea on Saturday made it to the final of the men's doubles event at the ATP World Tour Finals, in London, after registering a straight-set victory against Croatian Ivan Dodig and Marcelo Melo of Brazil.
Britain's Andy Murray enjoyed a routine win over Argentina's Juan Monaco to ease into the third round of the tennis tournament at the Rio Games on Tuesday, while Spain's world number nine David Ferrer was knocked out.
World No 8 Muchova withdraws from Aus Open with wrist injury
Sania Mirza's unimpressive campaign at Wimbledon ended on Thursday as she and her Romanian partner Horia Tecau lost to eight seeds Daniel Nestor of Canada and Frenchwoman Kristina Mladenovic in straight sets in the mixed doubles quarter-finals.
Kirsten Flipkens led India Aces to a tight one-point win over defending champions Singapore Slammers with her decisive victory over Kiki Bertens in the do-or-die women's singles clash in IPTL, in Tokyo on Saturday.
It was end of US Open campaign for Somdev Devvarman and Mahesh Bhupathi after they lost their respective hard-fought matches even as Rohan Bopanna had a mixed day.
Japan Warriors did not have to break much sweat in getting past Philippine Marvericks 29-15 but it was a tough day out for UAE Royals, who edged out hosts Singapore Slammers 27-23 in their IPTL match, riding on Roger Federer's win in the deciding men's singles, in Singapore on Friday.
World number one Novak Djokovic has pulled out of the Indian Premier Tennis League (IPTL), commencing from Wednesday, citing fatigue, and he has been replaced by Andy Murray and Stan Wawrinka in his team- OUE Singapore Slammers.
American twins Bob and Mike Bryan underlined their status as the best doubles pair in the world as they claimed the ATP Tour Finals title for the fourth time on Sunday.
Leander Paes and Radek Stepanek upset defending champions Bob and Mike Bryan to move into the men's doubles final of the US Open on Thursday. The pair, seeded fourth, bested the top seeded American dup 3-6, 6-3, 6-4.
Gunning for a record seventh appearance at the Olympics this year, one more milestone beckons veteran Indian tennis star Leander Paes which is a testament to his longevity on the professional circuit. If the 42-year-old veteran manages to win 11 more matches on the ATP doubles tour this season, he will displace American Sherwood Stewart in the list of players with most number of doubles wins. Stewart is sitting sixth in the table with 728 wins while Paes, a winner of 17 Grand Slam titles, has taken his number to 718 after reaching the third round of the ongoing French Open in Paris. These staggering statistics do not include Paes' victories in the mixed doubles event and the ones on the ATP Challenger Tour. Last year when Paes recorded his last win of the season, he overtook Sweden's Jonas Bjorkman (712), ending 2015 with 713 wins.
Temperamental Australian star Nick Kyrgios provided the perfect finish after veteran Carlos Moya's masterclass performance as Singapore Slammers hammered the Philippine Mavericks 30-22 in their opening match of the
Indian challenge in the men's doubles competition of the Wimbledon ended on Thursday with both Leander Paes and Rohan Bopanna losing their respective semi-final matches after being engaged in gruelling five-setters.
Former US Open champion Del Potro fired down 11 aces and did not face a break point during the one hour, 33 minutes match.
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.
The iconic Leander Paes has ruled out immediate retirement from the competitive tennis, saying his comments were misconstrued and he actually aims to capture another Chennai Open trophy next year and motivate his new partner to win his maiden Grand Slam title. Paes and Brazilian Andre Sa began the 2017 season with a defeat against Indian team of Purav Raja and Divij Sharan in the opening round on Wednesday night.
Real Madrid showed their character by beating Barcelona 2-0 in Sunday's top-of-the-table 'Clasico', leapfrogging their rivals at the La Liga summit after a week in which their pride had taken a beating at home and in Europe. Brazilian teenager Vinicius Jr scored the opener in the 71st minute with a strike that deflected off Gerard Pique, flummoxing goalkeeper Marc-Andre ter Stegen who had made some jaw-dropping saves, and substitute Mariano added the second in added time.
Novak Djokovic spurred Serbia to a 3-0 win over neighbours Croatia in the first round of the Davis Cup on Saturday and they will be joined in the quarter-finals by an equally rampant France.
Indian Acres' Rafael Nadal beat UAE Royals' Roger Federer to win the last set 6-5 through a shoot-out to help the Indian team win the Delhi leg of the Indian Premier Tennis League in New Delhi on Saturday.
Barcelona forward Luis Suarez scored a hat-trick as his side thrashed arch-rivals Real Madrid 5-1 on Sunday in a highly entertaining 'Clasico' which surely will signal the end of hapless coach Julen Lopetegui's spell in charge of Real.
The seventh-seeded Bulgarian advanced to his eighth ATP World Tour Masters 1000 quarter-final with a 6-3, 7-5 victory over Del Potro, who struggled with the intense heat in the closing stages of the one hour, 39 minute match.
Garbine Muguruza's preparations for next week's Australian Open were thrown into disarray when the world number three pulled out of the Sydney International with a thigh injury on Wednesday.
Images from the matches played at the All England Lawn Tennis and Croquet Club, in Wimbledon, London, on Monday.
India's Leander Paes and Rohan Bopanna crashed out of the Japan Open following a straight set defeat against Ivan Dodig and Marcelo Melo, in Tokyo on Thursday.