The 46-year-old talked about the efforts to, in the future, find talented young Chinese players to join the club in the Rhine-Ruhr-region.
Maccabi now face Austrian champions Red Bull Salzburg over two legs, to be played on September 22 in Israel, and on September 30 in Austria.
"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.
Pressure on the 58-year-old escalated on Thursday following Flamengo's 5-0 Copa Libertadores defeat to Independiente del Valle in Ecuador.
Garbine Muguruza, seeded ninth, eased into the final eight. The Spaniard beat Johanna Konta of Great Britain 6-4, 6-1. Enditem
Xiao, world number 31, turned pro in 2007 after winning the Asian U21 Championship. His best ranking performances were runner-up finishes at the 2013 Shanghai Masters and the 2017 Shoot Out.
Walter, who replaced Christian Alves in the 83rd minute, latched onto Jonathan Cicero's cross and needed just one touch before rifling a shot into the bottom right corner.
The following games conclude the first round on Sunday: RB Leipzig face Mainz, while Wolfsburg host Bayer Leverkusen. Enditem
"In the three weeks we have been working, we have improved a lot in the physical aspect and this week we have been working on tactics. We saw some of that against Girona and I hope we see a more complete display against Elche," he commented.
Gilbert and Lu met in the last match of the group both with one win and one draw. The world No. 11 won the final frame to draw 2-2 with Lu but advanced by claiming the highest break of 98.
The Changchun team went ahead in the ninth minute with a header from Tan Long.