Milan doubled the lead four minutes after the break as Ismael Bennacer was charged down by Riccardo Orsolini in the box, Ibrahimovic stepped up to convert the penalty.
Forward Deng Ziming had injected new energy for Shijiazhuang in the second half. Goalkeeper Deng Xiaofei was sent off in the 46th minute after receiving a second yellow card, and Zambian defender Stoppila Sunzu converted the penalty kick for Shijiazhuang to pull one back.
Djokovic, the world number one and the top seed at the tournament, won 7-5, 6-3 against Argentine Schwartzman to lift his 36th Masters title, one more than Rafael Nadal.
Zahavi finished as Chinese Super League top scorer in the 2019 season with 29 goals.
More than 1,600 participants from over 10 countries and regions have attended the event since its establishment in 2018. Enditem
Leicester City will be without Wilfred Ndidi for 12 weeks with a groin injury and he will be an important absentee for their visit to face Manchester City, who kicked off their season with a 3-1 win away to Wolves, who visit West Ham.
The result at the Beira-Rio stadium meant Gremio jumped to second in the group's standings, equal on points with Internacional but with an inferior goal difference.
The design of the torch needs to take into consideration its applicability with an interior combustor before being finalized, and the route for the torch relay requires careful deliberation. Plans for the opening and closing ceremonies will also see further refinement.
The match was played behind closed doors at Bloomfield Stadium in Jaffa, the southern part of the coastal city of Tel Aviv-Jaffa.
Fans and half of the club are puzzling about who could be the rescuer leading the side out of this deep crisis. Former Schalke and Leipzig coach Ralf Rangnick is one name in the list.
The 16 teams were divided into two groups this season and the top four in each group will advance into the Final Group A for the championship race.