Leo Messi will also be in the spotlight after a summer in which he asked to leave the Camp Nou, while the pressure will also be ramped up on Antoine Griezmann and Philippe Coutinho, who has returned following his loan to Bayern Munich.
It looked as if it was going to be a stroll for Liverpool, who were in total control and brought Thiago Alcantara on for his debut. The new signing from Bayern Munich was then guilty of a needless foul on Timo Werner to give Jorginho the chance to level from the spot, only for Allisson to save his tame spot kick.
"There is a lot of talk about a tight season and our small squad. I am sure we will have a strong squad with every position doubled up," goalkeeper Manuel Neuer commented.
Salzburg evened the score in the 49th minute, as home team defender Matan Baltaksa committed a foul on Zambian forward Patson Daka in the penalty box, allowing Szoboszlai to make it 1-1 from the penalty spot.
Newly-crowned US Open champion Dominic Thiem, who has lost back-to-back Roland Garros finals to Nadal, has been drawn into the same half as the Spaniard and faces non-seeded former world No. 3 Marin Cilic.
Beer Sheva's Dutch forward Elton Acolatse completed the scoring in the 83rd minute from Sintyahu Sallalich's assist.
She had hoped to make her comeback at Roland Garros, the main draw for which begins on September 27 and runs through to October 11, but has withdrawn from the event last week.
Pellegrini has had a perfect start to life at the club with two wins from two games and with Betis looking a lot harder to score against than last season.
The deadlock was broken in the 37th minute as Huanghai's Gao Xiang jumped high above the Teda defender to head in Yang Yu's unexpected cross.
Chinese naturalized player Ai Kesen, known as Elkeson in Brazil, put the Guangzhou side 1-0 ahead in the 14th minute with a penalty kick.
BWF president Poul-Erik Hoyer Larsen and its secretary-general Thomas Lund said in a joint letter Friday that pushing back the tournament would affect the world rankings and next season's BWF Tournament calendar but it was the best option.