Biggest upsets on Day 1 at the French Open

KANEPI KNOCKS OUT MUGURUZA IMAGE: Spain’s Garbine Muguruza farewells the crowd after losing her women’s singles first round against Kaia Kanepi of Estonia. Photograph: Adam......

Olympics: World No. 1 Barty out in Round 1; Murray withdraws

IMAGE: Spain's Sara Sorribes Tormo celebrates winning a point during her women’s singles first round match against Australia's Ashleigh Barty at the Tokyo Olympics on Sunday. Photograph:......

Djokovic to start quest for Tokyo Olympic gold

IMAGE: Serbia’s Novak Djokovic serves during the practice session ahead of the Tokyo 2020 Olympic Games. Photograph: Clive Brunskill/Getty Images Tennis world number one Novak Djokovic......

Two players in quarantine at US Open bubble

IMAGE: Men's world number 35 Guido Pella (in picture) and Hugo Dellien, who is ranked 94, posted separate videos on Instagram to confirm that they have returned negative results for the COVID-19......

What to expect at Australian Open on Day 4

Red-hot Nadal faces Delbonis, says majors tally not a focus IMAGE: Sweat pours off the face of Rafael Nadal during practice. Photograph: Morgan Hancock/Getty Images Rafael Nadal's immediate......