Off-court distractions and a neck injury could not prevent Novak Djokovic from extending his winning run this year to 23 matches and the Serbian could not be in more intimidating form ahead of the US Open.
Tennis great Billie Jean King says the financial fallout from the coronavirus shutdown has exposed the unfairness of the sport and that it is important for the top players to lead the cause for change. The tennis season was suspended in March due to the COVID-19 pandemic and the shutdown will continue at least until mid-July, depriving lower-level players, who depend solely on tournament winnings, of the chance to earn a living.
World number one Novak Djokovic was sensationally disqualified in the US Open fourth round on Sunday after striking a line judge with a ball following a point during the first set of his match against Spain's Pablo Carreno Busta.
After dropping the third set, Tsitsipas took a medical timeout to receive treatment on his left foot. Following set four, in which he held a 5-0 lead before a late Murray charge, Tsitsipas took an extended bathroom break and changed his kit.
After a dominant start, Djokovic struggled in the second set and lost his temper even after closing it out.
Organisers of the world's biggest tournaments say they will not make the same mistakes as they reopen the sport and seek to keep the players safe.
Earlier in the day, Russia was banned from defending its Davis Cup and Billie Jean King Cup titles but its players will still be allowed to compete at the Grand Slams and in regular tour events.
More sporting bodies sanctioned Russian and Belarusian athletes on Tuesday over Russia's invasion of Ukraine
The new scoring format for doubles matches in ATP tournaments and ATP Challenger series comes into play at the Chennai Open.
Tennis must avoid "internal battles" if its growth is to keep pace with other sports, Roger Federer said on Monday in response to news that the ATP was to launch a revamped World Team Cup.
Canada's Denis Shapovalov said he would flat out refuse to go on court if forced to compete in poor air quality and believed other leading players at the tournament will similarly decline to risk their health.
Summary of sports events and persons who made news on Monday
Roger Federer is keeping a lid on expectations.
A summary of sports events and sports persons, who made news on Saturday
A summary of sports events and persons who made news on Monday