Milan, 15 February (LaPresse) – ‘I really like it, even though there are big temperature swings and you have to adapt.’ That's how world number one Carlos Alcaraz spoke to Sky on the eve of the ATP tournament in Doha. The Spaniard will face his rival Jannik Sinner again. ‘We push each other to the limit and we have a good relationship off the court. I'm glad he helps to promote tennis,’ he said.