The ATP has pushed for changes in scoring rules and qualifying methods for doubles competitions at tour events
Dimitrov was showing signs of fatigue from his three-hour third-round match earlier in the week and could do little to stop the Spanish world number three, who next faces Argentine Francisco Cerundolo.
The WTA and ATP have jointly announced on Tuesday new scheduling regulations that restrict evening matches to two per court and per day, with a recommended start time of 1830 local time to curb matches from concluding in the early morning hours.
Rajeshwaran shown the door at Mumbai Open
Roger Federer will make his return to the tennis circuit from a double knee surgery at an ATP 250 tournament in Qatar in March, having not played since last year's Australian Open.
As the spotlight shines on Carlos Alcaraz's title defence and Novak Djokovic's pursuit of a record 25th Grand Slam, a determined group of challengers is quietly preparing to shake up the draw.
Brad Drewett, executive chairman and president of the men's ATP Tour since 2012, died aged 54 on Friday from Motor Neurone Disease, the ATP said in a statement.
The sight of immaculately-dressed line judges standing or crouching at the side and back of the grass courts has been a feature at the Grand Slam for 147 years.
Unseeded Alejandro Tabilo beat twice champion Novak Djokovic 6-3, 6-4 in the second round of the Monte Carlo Masters on Wednesday to maintain a remarkable 100 percent record win record over the 24-times major winner.
Rohan Bopanna and his Australian partner Matthew Ebden sailed into the men's doubles final at the Miami Open.
World number one Rafael Nadal said on Wednesday he would skip the Asian leg of the ATP tour to recover from the knee injury he picked up at the US Open, a decision that will boost Novak Djokovic's chances of ending the year top of the rankings.
The American duo won 5-7, 6-1, 13-11 as they added the season-ending crown to the Wimbledon and US Open titles.
AITA President Anil Jain, who was accused of using his position for personal gains, avoided facing a no-confidence motion from the state associations only after he agreed to step aside.
The Asian tennis body wants 25 percent of the field at every event held in the continent is reserved for their players.
Rafael Nadal's mauling of Novak Djokovic in the final of the Monte Carlo Masters on Sunday was memorable in more ways than one.
World number one Novak Djokovic will not compete in the Miami Open as he tries limit the number of events he plays this year, the 36-year-old Serb said on Saturday.
Russian Nikolay Davydenko has won his appeal against a fine for not trying hard enough during a match.
Former world number one Novak Djokovic, the last surviving member of tennis' "Big Four", said he does not plan on stopping any time soon but admitted that the retirement of rivals Roger Federer, Andy Murray and Rafa Nadal has been overwhelming.
The All India Tennis Association (AITA) selection panel picked a five-member squad in which Mukund will be the highest-ranked singles player at number 368.
Daniil Medvedev destroyed his racket and a net camera in a mid-match meltdown as he survived a huge scare against Thai wildcard Kasidit Samrej.
Novak Djokovic may have played at the Madrid Open for the last time after crashing out
India has never beaten Sweden in five attempts in the Davis Cup.
Rafa Nadal suffered a setback in his Paris 2024 Olympics preparations on Sunday as he was beaten 6-3 6-2 in the Swedish Open final by Portuguese seventh seed Nuno Borges.
Alexander Zverev cruised past Frenchman Lucas Pouille in straight sets in the first round of the Australian Open on Sunday.
Factbox on Italy's Jannik Sinner, who beat Germany's Alexander Zverev 6-3, 7-6(4), 6-3 in the Australian Open final
Auger-Aliassime, now coached by Nadal's uncle and long-time mentor Toni who sat in his box, will face Fritz in his final group match with a chance of making the last four.
He will surpass Roger Federer's record as the oldest No. 1 in ATP Rankings history on Sunday when he will be 36 years and 321 days old.
Roger Federer's decision to withdraw means Switzerland can no longer take part in the nation-based event on January 3-12
India's Yuki Bhambri and his French partner Albano Olivetti frittered away a solid start to make a semi-final exit from the ASB Classic in Auckland.
Earlier on Tuesday, Murray said players were aware that matches on the ATP Tour were being thrown. "It is pretty disappointing for all the players, but everyone knows that it goes on," the Scot, who is in Moscow for the Kremlin Cup, told the BBC.
Team Europe and Team World are tied at 2 after one day of the Laver Cup after play opened Friday in Berlin.
Yuki Bhambri claimed his maiden ATP title as he along with South Africa's Lloyd Harris of South Africa won the doubles title in the ATP tennis tournament in Mallorca
India's Yuki Bhambri and his Dutch partner Robin Haase squandered three match points in the deciding set to go down against Nicolas Barrientos of Colombia and Rafael Matos of Brazil in the Australian Open men's doubles first round in Melbourne on Tuesday.
Chess great Magnus Carlsen is launching a world Freestyle Chess tour as the variant of the game, also known as Chess960, is gaining in popularity, the world number one announced on Friday.
Twenty four time Grand Slam champion Novak Djokovic closed the 2023 ATP season by clinching the year-end No. 1 spot for a record-extending eighth time.
Unheralded Joao Sousa completed a fairytale run at the Malaysian Open on Sunday when he beat France's Julien Benneteau 2-6, 7-5, 6-4 in the final to become the first Portuguese to win an ATP Tour title.
With Federer certain, young Austrian Dominic Thiem is third in the ATP race to London, followed by Stan Wawrinka, Alexander Zverev, Djokovic, world number one Andy Murray, and Belgium's David Goffin.
Third seed Alexander Zverev eased past home favourite Ugo Humbert