Australian Open champion Jannik Sinner reached the Miami semi-finals by ending Tomas Machac's stunning run at the ATP Masters event.Second seed Sinner used his explosive power and precision to win 6-4 6-2 against his 60th-ranked Czech opponent.Machac beat Andy Murray and Andrey Rublev to play a first Masters quarter-final but Sinner's level was too good.The 22-year-old Italian faces Russian third…

World number one Novak Djokovic has split with coach Goran Ivanisevic.Former Wimbledon champion Ivanisevic became Djokovic's main coach in March 2022, having worked with him alongside long-time mentor Marian Vajda since 2018.Serb Djokovic has won a joint-record 24 Grand Slam singles titles but has made a disappointing start to 2024."Goran and I decided to stop working together a few days…

Top seed Carlos Alcaraz reached the Miami Open quarter-finals with a 6-3 6-3 win over Italy's Lorenzo Musetti.Spaniard Alcaraz, 20, will next play Bulgarian 11th seed Grigor Dimitrov, who beat Poland's 2021 champion Hubert Hurkacz 3-6 6-3 7-6 (7-3).Italian Jannik Sinner and Russia's Daniil Medvedev also progressed.Australian Open champion Sinner won 6-4 6-3 against Australian Christopher O'Connell, while Medvedev defeated…

Victoria Azarenka continued her bid for a fourth Miami Open title with victory over Yulia Putintseva to set up a semi-final encounter with Elena Rybakina.The Belarusian 27th seed, who won her last title at Miami Gardens in 2016, needed almost three hours to claim a 7-6 (7-4) 1-6 6-3 win against Putintseva.There was a 45-minute stoppage in the opening set…