13:18 CET - Rebecca Sramkova (27) has continued her remarkable run of form with a 6-4, 6-4 victory over Laura Siegemund (36) in the Hua Hin final to capture her maiden WTA title.
12:31 CET - Marin Cilic (35) has moved into the semi-finals of an ATP event for the first time since 2022, saving two match points on his way to a 6-2, 6-7, 7-6 win over Yasutaka Uchiyama (32).
11:35 CET - Italian Lorenzo Musetti (22) has moved into the Chengdu semi-finals after a hard-fought 6-2, 5-7, 6-2 triumph over Adrian Mannarino (36).
11:18 CET - Beatriz Haddad Maia (28) is the champion in Seoul after coming from behind to defeat top seed Daria Kasatkina (27) 1-6, 6-4, 6-1 in just under two hours. It's a first title of the season for the Brazilian.
Read more about Haddad Maia's win here.
09:57 CET - Fourth seed Brandon Nakashima (23) has booked his spot in the final four in Hangzhou, sweeping aside Rinky Hijikata (23) 7-5, 6-3.
08:48 CET - Alibek Kachmazov (22) is the first man through to the semi-finals in Chengdu after an impressive 6-3, 6-4 victory over third seed Nicolas Jarry (28).
08:00 CET - Good morning and welcome to our coverage of today's tennis action!