Bruno Labbadia's men gained momentum and pushed Braunschweig onto the back foot. Berlin's efforts paid off at the half-hour mark after Matheus Cunha had all the time and space to curl the equalizer into the far post corner.
"Our players are not in good forms. We need to make adjustment before our next matchday," Xie added.
The other game on Tuesday saw powerhouse Guangzhou defeat Shenzhen 2-0 thanks to aggressiveness by Brazilian midfielder Jose Paulo Bezzera Maciel Junior who opened the scoring in the 27th minute and contributed an accurate pass to seal the win in the 53rd minute. Enditem
"The media has mentioned it but nobody has approached me. It [the speculation] makes me happy because I think it's an acknowledgment of a good job, but there is nothing more in it than that. I'm focused on my work with Fortaleza. We hope that by the end of the championship we can extract the best of the team and stay in the first division of Brazilian football."
He returned to Fortaleza almost immediately, leading the side to ninth in the 20-team Serie A standings in 2019. They are 10th in the current table, only eight points behind leaders Internacional, more than a quarter of the way through the season.
"The VNL will be especially important next season as we work to define and prepare the group of players we'll be taking to Tokyo for the Olympics," the veteran coach explained.
Hunan finally sealed the victory with a quick win in the women's doubles as Liu Xuanxuan/Chen Fanghui overwhelmed Lv Rouhao/Ren Linfei 11-5, 11-5, 11-3 in just 19 minutes.
Club co-owner Jorge Mas posted a picture of himself with the 32-year-old at Miami international airport and an official announcement confirming his move was said to be imminent.
World No. 2 Chen Yufei crushed young shuttler Huang Mingxuan 11-3, 11-2, 11-4 in the women's singles later to extend the lead for Qingdao.
A horrible mistake from Valladolid keeper Jordi Masip gifted Real Sociedad a point in their game, which was played in a temperature of around 30 degrees centigrade in Valladolid's Nuevo Zorrilla Stadium.
"Playing Huagun can not only exercise a person's reaction ability but also benefit the mental health," said Zheng, who has played Huagun for almost 10 years and now often teaches others for free in the park.