The 40-year-old former Portugal right-back will step up from his role as reserve-team boss following Amorim’s departure to Old Trafford.
Pooja Jatyan got a bye into the pre-quarters after finishing inside top-9 in the ranking round and then defeated Yagmur Sengul 6-0.
Mainoo missed England's Nations League games against Greece and Finland due to the injury, along with teammate Harry Maguire
Liren won the world crown in May last year after defeating Russian GM Ian Nepomniachtchi. He took a break from the game after that, owing to his battle with depression.
By defeating Fritz, Team World’s top-ranked player, Alcaraz secured three points and his second singles win of the weekend, sealing the deal for his side.