14:20 CET - Emma Raducanu - who was really suffering with an injury in the final set of her match - has fallen at the first hurdle in Ningbo, losing 3-6, 6-4, 6-1 to home favourite Lin Zhu.
12:52 CET - Dayana Yastremska has defeated 19-year-old Victoria Mboko in Ningbo, seeing off the Canadian 6-3, 7-6(3) to progress into the next round.
Meanwhile, Elise Mertens is through to the last 16 in Osaka after a hard-fought 7-6(5), 6-3 win over Cristina Bucsa.
11:35 CET - Over in Osaka, another Czech star in Tereza Valentova has won 6-1, 6-2 against fellow rising star Alexandra Eala.
11:30 CET - Karolina Muchova has come out on top in a fascinating clash between two experienced Czech players after defeating Marketa Vondrousova 6-4, 6-3 in a dominant opening round win in Ningbo.
11:15 CET - Meanwhile in Almaty, Australians Adam Walton and Aleksandar Vukic are the first winners of the day.
11:00 CET - Eighth seed Liudmila Samsonova is the latest winner in Ningbo after defeating qualifier Hanyu Guo 6-2, 6-4.
09:35 CET - Clara Tauson's woes have continued this morning as the Dane has been stunned in three sets by Ajla Tomljanovic.
The Australian showed great fight to respond to losing the first set to claim a stunning 1-6, 7-6 (4), 6-3 victory.
09:30 CET - A few players have advanced in Osaka, meanwhile, including Jaqueline Cristian, Viktorija Golubic and Dalma Galfi.
09:00 CET - World number 31 Veronika Kudermetova is the first player through in Ningbo today after a dominant 6-3, 6-2 victory against lucky loser Antonia Ruzic.
07:30 CET - The first matches have finished in Osaka and the headline story is that fourth seed Leylah Fernandez defeated American Hailey Baptiste 6-2, 7-5.
Follow all the action from Osaka here.
Play has got underway in the last few minutes in Ningbo as fifth seed Clara Tauson takes on Australian qualifier Ajla Tomljanovic as the Dane looks to a return to form after a difficult end to her 2025 season.
Follow all the action from Ningbo here.
Meanwhile, there is more ATP first round action to look forward to in Europe from Almaty, Brussels and Stockholm.