Tennis Tracker: Rune & Fritz through in Shanghai, Kalinskaya impresses in Wuhan

18:30 CET - In the final match of the day in Shanghai, Stan Wawrinka fell to a 6-7, 7-6, 6-3 defeat at the hands of 28th seed Flavio Cobolli (22).

The last clash of the day in Wuhan meanwhile saw Magdalena Frech (26) win 6-0, 6-4 against Mai Hontama (25).

17:15 CET - A 3-6, 6-1, 6-3 victory over Elise Mertens (28) has sent world number 18 Donna Vekic (28) into the next round in Wuhan.

16:40 CET - 10th seed Anna Kalinskaya (25) has cruised through in Wuhan with a comfortable 6-1, 6-3 victory over Anna Bondar (27) of Hungary. 

15:23 CET - Another seed has fallen by the wayside with Dayana Yastremska (24) losing 7-5, 6-4 to lucky loser Erika Andreeva (20) in Wuhan.

14:40 CET -  In one of the last matches in Shanghai today, 12th seed Holger Rune (21) has come back to beat Matteo Berrettini (28) 4-6 6-4, 6-3 to progress to the third round. Rune will next face Jiri Lehecka (22).

13:32 CET - All of today's outdoor play has been cancelled in Shanghai due to rain, meaning that only the final second-round matches will be completed. 

11:20 CET - Seeded Lorenzo Musetti (22) has fallen out of Shanghai at his first hurdle after having had a bye in the opening round. Belgian veteran David Goffin (33) defeated the Italian 1-6, 7-6, 6-2 to advance to the third round of the competition.

10:35 CET - Frances Tiafoe (26) has advanced in Shanghai with the 13th seed beating Yi Zhou (19) 6-2, 6-4.

In Wuhan, world number 16 Diana Shnaider (20) has lost 6-7, 6-3, 6-3 to Leylah Fernandez (22). 

09:26 CET - Ninth seed Grigor Dimitrov (33) is through in Shanghai thanks to a hard-fought 6-3, 3-6, 6-2 win over Belgium's Zizou Bergs (25).

08:15 CET - Hello and welcome to Flashscore's coverage of today's tennis, which is already underway.

Taylor Fritz (26) has advanced in Shanghai with a 7-6, 7-6 win over Terence Atmane (22), while Beatriz Haddad Maia (28) has beaten Madison Keys (29) 7-6, 6-2 in Wuhan.