In the women's draw, former world no.1 Angelique Kerber, the 15th seed, lost 6-3, 6-1 to the Czech Republic's Katerina Siniakova, who now faces Daria Kasatkina of Russia.
Gilbert Alvarez had given the hosts an early lead before Lucho Gonzalez equalized from the penalty spot.
Forward Serginho restored Jorge Wilstermann's advantage with a 56th-minute strike but Alves pulled his team level again with a smart finish after combining with Fabio Luciano.
The collaboration between Premier League and Tencent came after the termination of the English top flight's big-money contract with its former broadcaster PP Sports on September 3.
Amadou Haidara (L) of Leipzig controls the ball under the defense from Karim Onisiwo of Mainz during a German Bundesliga match between RB Leipzig and 1.FSV Mainz 05 in Leipzig, Germany, Sept. 20, 2020. (Photo by Kevin Voigt/Xinhua)
"I used to fail in the final shot, this time I was the one who turned the tide," Liu said with a smile.
Getafe's Matchday 1 fixture against Real Madrid was pushed back to a later date due to Real Madrid's European commitments in the summer and Osasuna may feel that after beating Cadiz last week they have a competitive edge against Pepe Bordalas' always tough-to-beat side.
"We've taken note of all of his personal and technical characteristics as well as watching him play," Tite told a virtual news conference. "He is a new emerging talent in an important position," he added.
Now, the 29-year-old says he is fully fit again and ready to shine for the Albiceleste, should he be given the chance.
Real Madrid have only had one preparation game and although that saw them brush past Getafe, there have to be some doubts over match fitness. Meanwhile Eden Hazard is unlikely to play, while by the time the match kicks off both Gareth Bale and Sergio Reguilon will probably have joined Tottenham.
"We have to improve in order to be able to compete in the league with guarantees," added Dutchman.