Tennis Tracker: Haddad Maia retires against Andreescu in Tokyo, Shnaider eases through
11:22 CET - A big shame for the Japanese fans as Beatriz Haddad Maia (28) has had to retire from her clash with Bianca Andreescu (24) just three games into the match due to an injury. Former US Open champion Andreescu, who has struggled with plenty of injuries during her career, will be pleased to move through without any issues in what would have surely been a really tight match.
Moving over to Guangzhou, Spaniard Jessica Bouzas Maneiro (22) eased past China's Han Shi (19) 6-3, 6-4.
10:44 CET - Japanese teenager Sayaka Ishii (19) is through on home soil, recovering from a set down to outlast Zeynep Sonmez (22) 4-6, 6-2, 6-3 in Tokyo.
Meanwhile, in Guangzhou, Lucia Bronzetti (25) and Olga Danilovic (23) have eased into the quarter-finals after straight-set victories over Jaqueline Cristian (26) and Diane Parry (22) respectively.
09:13 CET - There have already been a couple of notable results in Tokyo, with sixth seed Diana Shnaider (20) sweeping aside Viktoriya Tomova (29) 6-2, 6-2 and Leylah Fernandez (22) battling past Varvara Gracheva (24) 6-0, 3-6, 7-5 in a topsy-turvy affair.
Check out the full schedule in Tokyo here.
08:30 CET - Good morning and welcome to our coverage of today's tennis!