Leipzig, however, responded straight away and pressed Mainz on the back foot to restore their two-goal lead three minutes later as Haidara made no mistake to tap home Forsberg's square pass.
A new and improved team spirit has developed, he emphasized. "Schalke has a lot of experienced players around that help us to perform better. Everyone is determined to improve."
Permission to play depends on local infection figures. The so-called "7-day-incidence" must be below 35 infections per 100,000 inhabitants within a week.
"We want to sustainably help China on its way to becoming a successful football nation. It's not a sprint but a long-distance race," Jobst emphasized. "An increased market share comes with the effort," he added.
The 33-year-old Serb now faces a semifinal against Casper Ruud of Norway, who beat fourth seed Matteo Berrettini of Italy 4-6, 6-3, 7-6 (5).
The 31-year-old recently commented that he would like to return to the Premier League and said Madrid had blocked previous attempts to leave.
The former Racing Club playmaker also revealed the reason for his move to La Liga.
Former world number one Victoria Azarenka of Belarus advanced to the quarterfinals as her opponent Darya Kasatkina of Russia retired during the first set with the scores at 6-6.
The two-day competition will see the country's most prestigious female race walkers, including world record holder Liu Hong and world champion Yang Jiayu, vying for the women's 20km title on Sunday. Enditem
The ExCo also heard progress on its governance reforms approved by the Board in November 2019, which will see the Board appoint two additional independent ExCo members and discuss the ongoing development of a WADA Code of Ethics.
Adrian Mierzejewski added the third in the 71st minute after collecting Marcelo Cirino's heel pass in close range, bringing three league wins in a row to Lifan.