Slovan Bratislava was looking for its first triumph of the season on home ice, but a meager 22 shots and a single goal scored were not going to cut it.
Colombia will face Venezuela in Barranquilla on Friday and Chile in Santiago four days later.
Shanghai will face Shaanxi on Sunday, while Tianjin's opponents on Monday will be Jiangsu. Enditem
They call him El Maestro, and for good reason. Oscar Tabarez, a former school teacher, has been a coach, educator, mentor, strategist and father figure to generations of Uruguayan players since taking charge of the national team for the first time in 1988.
Tuchel's side have been drawn with Manchester United, Istanbul Basaksehir and RB Leipzig in this season's UEFA Champions League group stage.
Head coach Oscar Tabarez also included Real Madrid's Federico Valverde, Barcelona's Ronald Araujo, Valencia's Maxi Gomez, Girona's Cristhian Stuani and Getafe pair Damian Suarez and Mauro Arambarri in his 23-man squad.
The Chinese Super League (CSL), which started the 2020 season behind closed doors in July, has been slowly opening up to a limited number of spectators last month.
Moussa Djenepo scored his first home goal for Southampton in the 41st minute and Oriol Romeu smacked home a sensational volley with just over 20 minutes remaining as the Saints kept their second clean sheet in two games.
"We met some difficulties after our key players' departure," Dongguan coach Lin Yaosen admitted.
Raheem Sterling opened the scoring for the visitors in the 17th minute, but Rodrigo Moreno's first goal for Leeds in the 59th minute, following an error from City keeper Ederson Santana saw Marcelo Bielsa's side take a well-deserved point.
Michail Antonio, Pablo Fornals and Jared Bowen scored West Ham's goals in the 14th, 34th and 84th minute of the game.