"I just don't know what to say, it was really close to a perfect moment," Vetter told World Athletics.
Chelsea finished fourth in last season's Premier League and reached the final of the FA Cup where they lost to Arsenal.
In March, the Confederation of African Football (CAF) postponed the 2021 AFCON qualifying matches due to the COVID-19 pandemic.
"It's good that I managed to win in three sets and with a day off and just a three-setter to play, I'm feeling good," said last year's runner-up Medvedev.
"It's a completely different match and a completely different scenario, a completely different moment. She was doing so well, she was being so aggressive, and I knew I needed to do the same thing," Sakkari said.
In the men's One Hour event, Britain's and Olympic champion Mo Farah held off the challenge of his training partner, home athlete Bashir Abdi, to set a new mark of 21,330m - eclipsing the 2007 mark of 21,285m set by Haile Gebrselassie. Abdi finished eight meters behind. Enditem
“I played incredible from tee to green for the first two rounds, but I missed too many putts from within 10 feet. In all honesty, I had three putts at the 13th hole today after being on the green in two – that was difference.“
The race continued in a fairly processional manner until lap 20, when Kevin Magnussen's Haas stopped just before the pit entrance, bringing out the safety car and bunching the pack up.
Another interesting returnee is Martin Odegaard, who is back at the club after an excellent loan spell with Real Sociedad, and it will be interesting to see if the youngster finally gets the chance to impress in an attacking midfield role where there is much competition.
Kenin has won her last 10 major main draw matches after hoisting her first Grand Slam title at this year's Australian Open, but the Belgian proved too strong for her, advancing after just 74 minutes.
"I hope we can be among the top four teams in Asia. As a player I would like to go to the World Championships or the Olympic Games and get a medal at the Asian Championships," said Borhani.