18:36 CET - Former Wimbledon champion Elena Rybakina (24) has pulled out of the Pan Pacific Open in Tokyo, days after slamming the WTA for the introduction of performance byes at the tournament.
17:26 CET - Petra Kvitova (33) is into the next round in Ningbo after beating Anna-Lena Friedsam (29) 7-6(2), 6-1.
16:24 CET - Aslan Karatsev (30) has been unable to set up an all-Russian final in Zhuhai, losing 6-4, 6-4 to eighth seed Yoshihito Nishioka (27).
15:34 CET - Alexander Zverev (26) is into the Chengdu final after beating Grigor Dimitrov (32) 6-3, 7-6(2).
14:41 CET - The WTA 500 event in Tokyo began earlier today, with Anhelina Kalinina (26) defeating Ashlyn Krueger (19) 6-3, 6-1, and Liudmila Samsonova (24) downing Tatjana Maria (36) 6-0, 6-2.
13:42 CET - Top seed Karen Khachanov (27) has made it to the final in Zhuhai, defeating fourth seed Sebastian Korda (23) 7-5, 6-4.
13:14 CET - The first of today's ATP semi-finals has produced a big upset, with world number 55 Roman Safiullin (26) defeating second seed Lorenzo Musetti (21) 6-3, 6-4 to move into the Chengdu final.
07:30 CET - Hello and welcome to our coverage of what should be a day full of top tennis, with Alexander Zverev (26) playing Grigor Dimitrov (32) and Sebastian Korda (23) facing Karen Khachanov (27).
