"Nothing else," he noted. "In every practice, I asked them to fight, play strong defence and play smart in offense. This gave us the result in the second quarter."
Chaux, who was named in Colombia's preliminary squad for last year's Copa America in Brazil, joined America de Cali this year from their Colombian top flight rivals Patriotas Boyaca.
After leading 65-61, Shanxi rode on a 10-3 surge midway through the last quarter and withstood Hebei's comeback afterwards.
Swiatek is to face another unexpected winner from the fourth round - Martina Trevisan, as the world No. 159 stunned another title favorite Kiki Bertens 6-4, 6-4 in a later match on Court Suzanne-Lenglen.
Koeman had made no secret that he wanted the duo and the failure to sign Garcia leaves Barca looking especially lightweight in central defense, where they only have Gerard Pique and Clement Lenglet, with Ronald Araujo to provide cover.
However, Bayern had the last laugh in the closing period after Maximilian Mittelstadt felled Lewandowski inside the box to concede a penalty. The Poland international stepped up and kept his nerves after beating Alexander Schwolow into the bottom left corner.
"This might be another painful setback, but after all, it delivered valuable hints of the topics we have to work on," Baum said.
The reigning German Champion decided to stick to its successful squad and only go for replacements. "It is striking that Bayern wouldn't have made transfers like this in normal times," Rangnick added.
Dongguan started the last quarter with Shen bagging five straight points, followed by Zhang Dongxia's shot from the 3-pointer zone. Powered by Dilana and Shen, Dongguan built an eight-point lead with 1:39 on the clock, and their win was assured by Wang Zhen's three-pointer with 39 seconds remaining.
"I mean, we both gave everything," said the third-seeded Thiem. "The thing in tennis is that there is one loser, one winner. Despite (being) so disappointed, I'm still happy for him."
Ajax had more possession and more chances in the first half, but it was Groningen that found the net after the restart. Ajax goalkeeper Andre Onana stopped a shot from Groningen striker Jorgen Strand Larsen, but he had no answer to the rebound from 19-year-old forward Remco Balk.