MELBOURNE: The first round of the Australian Open begins in Melbourne on Sunday. World number one Carlos Alcaraz, who could complete a career Grand Slam if he wins the tournament, faces Adam Walton, while Aryna Sabalenka takes on Tiantsoa Rakotomanga Rajaonah as she seeks a third title at Melbourne Park. Top men’s match: Alcaraz v Walton At 22, Alcaraz could replace Don Budge as the youngest man to achieve the career Grand Slam with victory at the Australian Open.

La testa di serie numero uno Aryna Sabalenka affronterà la francese Tiantsoa Rakotomanga

Who are the favourites? Will there be another Sincaraz final? Will Djokovic play? Al Jazeera has the answers.