"I feel unhappy even though I won. The result is not good, my friend Ge could have done better than me," said Kong.
Mexico will host Costa Rica at Azteca stadium on September 30 before meeting the Netherlands in Amsterdam on October 7.
Nadal, seeded second, lost 6-2, 7-5 to eighth-seeded Schwartzman, who will next play 12th seed Denis Shapovalov of Canada for a spot in the final.
The ExCo meeting opened with a moment of silence in memory of former WADA President John Fahey, who passed away last Saturday in Australia at the age of 75. Enditem
Yu Tianxiao of Beijing competes during the Women's Shot Put Final on Day 2 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 16, 2020. (Xinhua/Wang Lili)
"It is a good start to the Bundesliga season but most importantly, we won today. I am of course delighted that I was able to help my team with a goal," Hertha defender Pekarik said.
Top women's seed Simona Halep made a winning return a month after winning in Prague as she disposed of 99th-ranked Italian Jasmine Paolini 6-3, 6-4.
Fulham almost had the perfect start when an errant pass from Gabriel allowed Aboubakar Kamara through on goal, but Arsenal keeper Bernd Leno was able to scramble the ball to safety.
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The seven-time German Champions (last in 1958) and five-time cup winners (last in 2011) boasts one of Europe's most successful academies.
Up to 20,000 fans will be allowed to enter the 79,000-capacity Maracana Stadium for Flamengo's home match against Athletico Paranaense in Brazil's Serie A on October 4.