Liverpool regained the lead in the 20th minute as Virgil Van Dijk took advantage of some slack marking to smash home a header from Andy Robertson's corner.
Elsewhere, Russia's Andrey Rublev beat Argentinian qualifier Facundo Bagnis 6-4, 6-4 and will meet Poland's Hubert Hurkacz in the next round.
Liverpool manager Jurgen Klopp said he believed Jota's arrival would give his team different options.
"It's just a really exciting moment for me and my family," Jota told Liverpool's website." All of my path since I was a kid and now, to join a club like Liverpool - the world champions - is just unbelievable. I just want to get started."
Maracana SA chief executive Severiano Braga said one section of the pitch had already been replaced with positive results.
Garbine Muguruza, seeded ninth, eased into the final eight. The Spaniard beat Johanna Konta of Great Britain 6-4, 6-1. Enditem
Infantino also reiterated FIFA's prioritization of women's football through the recently-launched FIFA Women's Development Program and investment totaling one billion US dollars over the current four-year cycle.
Last season's top scorer Pierre-Emerick Aubameyang completed the scoring ten minutes later, finishing off a fine team goal by curling home from Willian's assist.
In the gala, Shaanxi announced five image ambassadors of the major tournaments. Olympic diving champion Qin Kai is in the list. Besides him, Chinese famous actress Yan Ni, 'anti-pandemic hero' Han Jianfeng, Tai Chi player Wu Yanan and swimming coach Liu Nan are in the roster.
KPMG recently rated Schalke among the 15 most valuable clubs (814 million euros) worldwide.
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.