Gauff has 'things to improve' after season-opening win in Auckland
WTA roundup: Ons Jabeur withdraws in Zhengzhou as Pegula advances in Seoul
WTA roundup: Jelena Ostapenko upset in Seoul, Pegula advances
Sinner powers past Alcaraz to book Beijing final with Medvedev, Sabalenka & Swiatek win
Tennis Tracker: Sinner defeats Alcaraz to reach Beijing final, Mannarino wins Astana Open
Iga Swiatek remains on course for fifth Grand Slam after beating Petra Martic
Djokovic and Wawrinka renew age-old rivalry for first time on grass in third round clash
Alcaraz beats Khachanov to reach Madrid semi-finals, Swiatek and Kudermetova advance