Kvitova arrived for the match against the world No. 66 Siegemund as statistically the best server of this year's French Open remaining women's players, both in terms of ace struck and percentage of service games won.
"I wanted to play this match as if it was the first round. I didn't want to think it was a semifinal because it would have stressed me out."
Also on Sunday, defending champions Kristina Mladenovic of France and her Hungarian partner Timea Babos claimed the women's doubles title with a 6-4, 7-5 win over Chile's Alexa Guarachi and American Desirae Krawczyk. Enditem
Fujian coach Gong Songlin emphasized the role defense played in his side's victory.
Flamengo have now won each of their past three league matches to move level on points with leaders Atletico Mineiro, who have a game in hand.
Having observed the league games for nearly a month, Jia said he already had a new national team roster in mind, which would be based on the lineup that drew with Australia in February's Olympic qualifiers.
The two players exchanged serves in the first two of the second set, but after Kenin called for a medical timeout at 2-1 down, the battle was in Swiatek's dominance as she swept four consecutive games to wrap up the second set in just 31 minutes.
In Group D, TES double killed DRX to rank first.
Wang scored 11 straight points as Fujian ended a defense-driven first quarter 19-16 ahead of Wuhan, whose substitute Deng stepped up to nail seven points in a row.
Argentina have not beaten Bolivia at the Hernando Siles stadium - located 3,600 meters above sea level - since 2005, when Jose Pekerman's side won 2-1 on the road to the 2006 World Cup in Germany.
Coutinho, who was also deployed in a more central role by Brazil coach Tite against Bolivia, said his time at Bayern had taught him the importance of a strong work ethic.