Cadiz's win in Bilbao means it has won its two away matches this season, but lost its two home games and it has another difficult task when it entertains a Granada side that qualified for the group stage of the Europa League on Thursday night.
Wuhan had the upper hand for most of a back-and-forth second half, heading into the final frame with a three-point margin, but had to watch as their lead slipped away.
In addition, the quality of the 10 member teams means there are no easy games for anyone; the region boasts four national sides in FIFA's current top 10 and seven in the top 25.
"To be honest I was over the limit today. At the end I gave everything that I had out there, it was an amazing match," the 27-year-old added.
The 31-year-old also became the first Chinese singles player since Li Na in 2012 to reach the fourth round at Roland-Garros.
The ITTF revealed that Zhu has pulled out of the Women's World Cup due to health issues. Sun is also scheduled to play at the 2020 ITTF Finals.
In the women's action, Iga Swiatek, who shocked top seed Simona Halep in the fourth round, continued her momentum by dispatching Italy's qualifier Martina Trevisan 6-3, 6-1 to become the first Polish woman to reach the semifinals at Roland Garros in the open era, one round further than former world No.2 Agnieszka Radwanska.
It was not the only stunning result of the weekend. Tottenham inflicted a humiliating 6-1 defeat on Manchester United at Old Trafford as the home side's defense imploded in a disastrous performance that Spurs exploited to the full.
On the Shandong side, Yang Hengyu contributed 16 points, while Qiao Yanzi added 12.
Against Huesca and Villarreal, Atletico showed their old problems as they struggled to create chances against well-organized rivals, while Suarez looked sluggish.
While predecessor Wagner could count on a seven-week-long preparation phase, only two weeks remain for Baum to get the team back on track, when Schalke faces Union Berlin on October 18 on home soil in the Bundesliga.