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 Cameroonian added another six minutes later on cross by Harold Preciado. Referee Fu Ming awarded the goal after reviewing VAR.
Hertha's new arrival remained in the thick of things as Cordoba scored his debut goal in his first match in the closing period.
"I feel unhappy even though I won. The result is not good, my friend Ge could have done better than me," said Kong.
Li Jialun of Heilongjiang competes during the Men's High Jump Final on Day 2 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 16, 2020. (Xinhua/Wang Lili)
"In collaboration with the Premier League, Tencent Sports hopes to leverage its platforms and technology to bring the drama of Premier League matches to fans and share with them the passion and excitement of football," noted Ewell Zhao, Tencent Sports General Manager.
"The situation was complicated so it was important to win tonight. It's hard, we created some chances, but we're not 100%."
The second half saw Sharjah take the first lead after Moroccan defender Medhi Benatia received a red card for an elbow on Sharjah playmaker Igor Coronado, who beat the goalkeeper with a curled effort, but the ball bounced off the upright and fell to midfielder Majed Surour whose diving header help Sharjah establish the lead for the first time in the tie.
"To have kept the team together might turn into our big advantage," Borussia's managing director Max Eberl said.
The 20-year-old Duplantis, who set the world record of 6.18m on the World Indoor Tour in February, secured his victory after clearing 5.85m with his second attempt. He went on to clear 6.00m and finally conquered 6.15m with his second effort of the day.
Jota is Liverpool's third signing this summer, following Spanish midfielder Thiago Alcantara and Greek defender Kostas Tsimikas.