There were also third round wins for Belgian star Elise Mertens, Belarussian veteran Victoria Azarenka and France's Alize Cornet.
"I don't think I have ever gotten defaulted yet in my career or in my life. No, I haven't been in a situation like that. But as I said, it's very unlucky, very unfortunate," Zverev added.
Elsewhere, fifth seed Alexander Zverev of Germany beat Frenchman Adrian Mannarino 6-7 (4), 6-4, 6-2, 6-2 to advance, while fourth seed Stefanos Tsitsipas of Greece was upset by Croatia's Borna Coric in a five-set thriller.
Despite dominating possession, Albania could not find an equalizing goal and suffered a further blow when captain Elseid Hysaj was sent off after receiving a second yellow card late in the match.
RIO DE JANEIRO, Sept. 3 (Xinhua) -- Ecuador international midfielder Alan Franco scored two first-half goals as Atletico Mineiro beat Sao Paulo 3-0 in Brazil's Serie A championship on Thursday.
Villarreal have also had a good summer after their fifth-place finish last season with the arrival of the experienced Unai Emery as coach followed by the bargain signings of Valencia due Dani Parejo and Francis Coquelin, along with a loan for the exciting winger Taka Kobe from Real Madrid.
The other promoted sides Huesca and Cadiz will also struggle, with Cadiz likely to miss their fans in the Ramon de Caranza Stadium, while Eibar and Alaves might also find life hard after flirting with danger last season. Eibar have lost plyers such as Orellana, Escalante and Di Blasis, while Alaves, who celebrate their centenary this season, will hope a forward line of Joselu, Lucas Perez and Deyverson should have the goals to keep them in the top flight. Enditem
"Serena is Serena," Sakkari said after advancing earlier Saturday by beating 19-year-old American Amanda Anisimova 6-3, 6-1. "You have to come up with some great tennis. Otherwise there is no chance against her."
The start of the race was done in smaller groups of a few hundred people, as opposed to the usual big launch of several thousand.
"I was a little bit in shock," Carreno Busta said. "The rules are the rules. The referee and the supervisor did the right thing, but it's not easy to do it."
However, just 51 league goals and 16 draws show where Atletico's chances all too often disappear. They are hard to break down and they are hard to beat, but all too often they are unable or unwilling to take the initiative and ultimately that costs them points.