Siegemund/Zvonareva, who had never played together prior to this event, had total control over the match and defeated Melichar of the United States and Xu of China 6-4, 6-4 in 79 minutes.
Luneng were dealt a blow in the 20th minute as Marouane Fellaini picked up an injury, making way for Roger Guedes.
As the participants have not taken football training in the first half of the year, all of them are excited at taking part in the tournament and have prepared for nearly two months before it gets started.
The new season of the Premier League will unveil on Saturday. Since no spectators will be allowed in England in September, all 28 games this month will be shown live on TV in the UK. Enditem
Aris is one of Greece's most successful clubs, having won the fourth most Super League titles after Olympiacos, Panathinaikos and AEK Athens. Enditem
Meanwhile, playing in front of empty stands (for the opening months of the campaign at least) once again promises to make a mockery of home advantage and make games much harder to predict.
Despite having the majority of the ball, Zall failed to make an impact as Cote d'Ivoire striker Jean Evrard Kouassi and Dong both squandered chances to level the game.
Martinez Quarta has a European passport because of his Italian heritage, meaning he won't occupy one of the limited places available in Celta's squad for foreign players.
Melichar said: "Before the match, I told my coach I was prepared for a 7-6 in the third set. Obviously I'm thrilled we won 7-6 in the third. You always wish that it's easier, but we fought our hearts out."
According to the Chinese Athletics Association, due to the COVID-19 pandemic, the national championships slated for Sept. 15-18 in Shaoxing, eastern China's Zhejiang province will be the only major event for the athletes in 2020.
The unseeded pairing got off to a superb start, as Siegemund in particular moved all around the court to put away shot after shot. After breaking twice, Siegemund/Zvonareva built up a 5-1 lead before securing the first set 6-4.