23:59 CET - Sofia Kenin (24) is into the semi-finals in Guadalajara after battling past Leylah Fernandez (21) 6-4, 6-7(6), 6-1.
Up next in Mexico is an exciting clash between Victoria Azarenka (34) and Caroline Garcia (29). Tune in to the Tennis Tracker in the morning to find out the result and see highlights from the match!
22:10 CET - The best of the women’s action today came from the quarter-finals in Guangzhou, where we saw great rallies in Yulia Putintseva’s (28) win over Tatjana Maria (36) and Greet Minnen’s (26) victory over Lucia Bronzetti (24).
21:45 CET - Our men’s moment of the day came from the last match in Zhuhai as Mackenzie McDonald (28) defeated Juncheng Shang (18) 6-4, 6-7(3), 6-3.
The young Chinese player was outclassed in the match but not on this point!
19:34 CET - The rest of today's action will be played in Mexico, with the Guadalajara quarter-finals beginning in just under 90 minutes with a clash between former US Open finalist Leylah Fernandez (21) and former Australian Open champion Sofia Kenin (24).
17:00 CET - In the day’s last match in Zhuhai, sixth seed Mackenzie McDonald (28) battled past Juncheng Shang (18) 6-4, 6-7(3), 6-3.
13:47 CET - Andy Murray (36) is safely through to the second round in Zhuhai (where he is the seventh seed) after beating Ye Cong Mo (23) 7-5, 6-3.
12:40 CET - Tomas Martin Etcheverry (24) has advanced to the second round in Zhuhai after beating Luke Saville (29) 6-4, 6-4.
Over in Chengdu, Marcos Giron (30) has upset fifth seed Alexander Bublik (26) 7-6, 6-3.
09:53 CET - Also overnight in Mexico, the clash between Veronika Kudermetova (26) and Victoria Azarenka (34) was won 6-2, 6-1 by the latter.
Maria Sakkari (28) is the tournament's top remaining seed, making it through to the last eight with a 6-2, 6-2 win over Camila Giorgi (31).
07:40 CET - Hello and welcome to our coverage of today's tennis, which has already produced an upset in Mexico, where Guadalajara top seed Ons Jabeur (29) has lost 6-7, 7-5, 6-3 to Martina Trevisan (29).