It's the second straight victory for Portugal, as they defeated Croatia 4-1 at home last Saturday. They will visit France in October in their third match in Group 3.
The Iranian men's team, which has superstars like Saeid Marouf and Seyed Mousavi, is one of the leading powers of international volleyball. On the women's side, the country has also been progressing fast in recent years.
Some of the country's top athletes serving sanctions for the doping offices includes 2008 Beijing Olympics 1,500m champion Asbel Kiprop, 2016 Rio Olympics women's marathon champion Jemimah Sumgong, and former three-time Boston Marathon champion Rita Jeptoo, among others.
The reigning champions visited Sweden with their captain Ronaldo back in the squad after the 35-year-old Juventus forward missed their opening Nations League match due to a toe problem three days earlier.
He earned icon status among River fans after scoring the decisive goal in his team's extra-time victory over rivals Boca Juniors in the 2018 Copa Libertadores final.
In the 93rd minute, R&F's goalkeeper Han Jiaqi failed to clear out the ball from the box, giving Paulinho an opportunity to add a buzzer beater for Evergrande.
R&F regained the lead at 39 minutes while Saba tucked an unchallenged shot into net, and left back Ye Chugui slotted in R&F's third goal from Saba's assist four minutes later.
"It's a great result for Wolf because in my first four majors I only won one match," Medvedev said. "In his first one he has already won two, so I'm sure he's going to be climbing up the rankings and playing good."
After a discussion of around 10 minutes between tournament referees and officials, Djokovic was disqualified from the match in accordance with the rules.
Looking to hold onto their narrow lead, Slovakia played more defensively in the game's later stages, and were punished for their caution in the first minute of injury-time, when Ilay Elmkies equalized from Yonatan Cohen's through-ball.
Although Messi will remain at the Camp Nou until he can leave as a free agent, fans are worried at the interview in which he explained how he felt in recent months.