Matthaeus encouraged Schalke not to give up as 31 rounds of matches still remain.
New arrival Pedro Rodriguez scored the winner after the break as the Spaniard unleashed a missile into the net with both power and precision.
"She played really really well today. I think everything is tough. My ball is very short and she opened the court very nice and used very nice winners," said the world 39th-ranked Zhang, who has also achieved a personal best at Roland Garros by reaching the fourth round.
Two-time Grand Slam winner Kvitova had to bounce back from 1-5 down in the opening set against Canada's teenager Leylah Fernandez to set round-of-16 clash with Zhang.
He will also miss the first four Champions League group matches in which Real Madrid line up against Inter Milan, Shakhtar Donetsk and Borussia Monchengladbach following Thursday's draw.
After both exchanged serves in the following two games, the former world No. 23 then delivered a dominant performance in the tie break to seal the first set.
Han Peng's direct corner goal in the 47th minute and Temwa Chawinga's goal in the 81st minute helped Wuhan secure a 4-0 victory, despite a missed penalty by Beatriz Zaneratto Joao in the 78th minute.
The host squandered a promising chance after Axel Witsel failed to make the most out of Reyna's cutback pass into the penalty area.
"We found several problems during the tournament and we will strengthen training in the future," he added.
Players of Shandong pose for group photos during the awarding ceremony of the 2020 Chinese Women's Volleyball Championship in Jiangmen, South China's Guangdong Province, on Oct. 2, 2020. (Xinhua/Qin Lang)
SYDNEY, Oct. 7 (Xinhua) -- Sydney FC striker Adam Le Fondre is set to leave the A-league after the club announced it had accepted a lucrative offer to loan the frontman to an overseas club on Wednesday.