"This whole situation has left me really sad and empty. I checked on the lines person and the tournament told me that thank God she is feeling ok. I'm extremely sorry to have caused her such stress. So unintended. So wrong," Djokovic said.
Also on Sunday, Wales edged Bulgaria 1-0 to top the second-tier Group B4, while Ireland lost 1-0 at home to Finland.
“The last three holes were the crucial part. I had a three-putt bogey at the 16th hole where I missed a three-foot par putt. I also missed a 10-footer for birdie at the next hole. At the last hole I hit over the green. I knew then game over,” said the 22-year-old Hainan native.
Then in the third set, Williams was rarely troubled by her rival en route to victory.
Cirstea will face No. 20 seed Karolina Muchova of the Czech Republic in third round. Enditem
HANGZHOU, China, Sept. 4 (Xinhua) -- Having been training behind closed doors for half a year, Rio 200m individual medley bronze medalist Wang Shun is itching to return to competition, with his eyes set on this month's National Championships.
Barcelona insisted that he had to pay his 700-million-euro release clause.
Third seed Williams essayed a signature comeback and served 12 aces to edge past her American compatriot Stephens 2-6, 6-2, 6-2 in one hour and 43 minutes.
"It's going to be one of the young guys, I think, if you count Dominic Thiem as a young guy, as well. He obviously has a chance to win. Now I think it is the time where it gets really interesting. We'll see where we go from here," added the German.
"Everything is focussed on the European Championships next year," the German national coach said after his side's first encounter after a ten-month-long break. The match against Spain in the Nations League ended in a 1-1 draw.
"As for the disqualification, I need to go back within and work on my disappointment and turn this all into a lesson for my growth and evolution as a player and human being."