After a 7-5, 7-5 defeat to Dominic Thiem in his tournament opener, six-time champion Roger Federer may find it tricky to qualify for the last four of the ATP Finals.
The British parliamentarian became famous for his eloquence, his loud ties and allowing Remain-leading politicians to table emergency debates about Brexit. Now he has left, will British politics ever be the same again?
US Open runner-up Medvedev, chasing his fourth ATP Tour title in a breakthrough 2019 season, will meet Germany's Alexander Zverev in Sunday's final.
Here are the photos making the news during the past few days. They show Vladimir Putin meeting Narendra Modi, Britain's PM Johnson after suffering a major parliamentary defeat over Brexit, and a joyous Grigor Dimitrov after defeating Roger Federer.
Grigor Dimitrov, 78th-ranked, delivered a stunning upset of Roger Federer in the US Open quarter-finals, fighting back for a 3-6, 6-4, 3-6, 6-4, 6-2 triumph over the Swiss star who had beaten him in all seven of their prior meetings.
Federer, a seven-time champion, was ousted from one of his favourite tournaments in barely over an hour, falling in straight sets to a 21-year-old Andrey Rublev he had never faced.
Never before has a final in London lasted so long - it went into the twelfth game of the fifth set and then into the tiebreak.
The 37-year-old eight-time champion now meets defending champion Novak Djokovic in the Grand Slam final.
The most captivating modern rivalry in men's tennis returns to the scene of its most dramatic episode when Roger Federer and Rafael Nadal meet for a place in the Wimbledon final.
Federer and Nadal each won their quarter-finals to set up an epic semi-final between the two, whilst world number 1 Djokovic will face Bautista Agut for a place in the final.
Two-time defending champion Rafael Nadal remains on course for a record 12th French Open men's singles title after beating quarter-final opponent Kei Nishikori in straight sets.
Switzerland's tennis star Roger Federer, a four-time finalist in Rome, returns to Italy after skipping the clay season for the last two years as he concentrated on his grass game.
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