The host's efforts paid off with 17 minutes played as Mainz' Leandro Barreiro fouled onrushing Dani Olmo inside the area. Forsberg broke the deadlock with a well-placed shot from the spot into the bottom right corner.
"My buddy, I always believe you, support you and love you," Beijing teammate and Chinese international Zhai Xiaochuan wrote.
The hero of the night became the home team's Moldavian striker Ion Nicolaescu who tied the game five minutes before the end of regulation on his debut and then put Dunajska Streda ahead 4-3 six minutes into overtime with a quick and un-saveable shot from the edge of the box.
Guo Liqin, Cao's coach, has been teaching students aerobics since 2000. Last semester, she and her students were forced to train online by using an app called Ding Talk.
The changes mean that the weekend will open with Villarreal at home to Eibar, with Villarreal looking to improve on an opening day's performance that saw them held 1-1 at home by newly promoted Huesca.
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.
Barcelona's Lionel Messi (C) vies with Elche's Nuke Mfulu (R) during the 55th Joan Gamper Trophy friendly football match between Barcelona and Elche in Barcelona, Spain on Sept. 19, 2020. (Xinhua/Joan Gosa)
Although Qingdao Huanghai's Cordova Cleo converted a penalty with a low shot to the corner in the 31st minute, A Lan scored twice and helped Guoan turn the game around for the 2-1 victory.
But there was no place for striker Edinson Cavani, who has yet to find a new club after parting ways with Paris Saint-Germain in June. The 33-year-old has not played since March.
Top men's seeds Novak Djokovic and Rafael Nadal, and top women's seed Simona Halep will kick off their campaigns on Wednesday.
The platform 'Mes que una mocio (More than a motion)', formed by a group of Barcelona club members, confirmed they had collected 20,731 signatures, comfortably clearing the required 16,520 to trigger the vote.