Daniil Medvedev won his opener against Hubert Hurkacz in Turin before injury forced Matteo Berrettini to retire against Alexander Zverev

Top seed Aryna Sabalenka came from a set down to defeat Iga Swiatek and maintain her hopes of reaching the last four in Guadalajara

Garbiñe Muguruza avenged her controversial US Open defeat to Barbora Krejcikova with a battling win in Guadalajara

With the fast conditions wreaking havoc in Guadalajara, Maria Sakkari and Paula Badosa seized the early edge in Group Chichén Itzá

Anett Kontaveit beat Barbora Krejcikova in the opening match of the WTA Finals before Karolina Pliskova edged a three-set thriller

Emma Raducanu’s season ended with a 6-1, 6-7 (0-7), 7-5 defeat to Chinese qualifier Xinyu Wang at the Upper Austria Ladies Linz