In other Brazilian top-flight fixtures on Saturday, Gremio drew 1-1 at home to Internacional while Corinthians drew 0-0 at Bragantino. Enditem
Dongguan opened the first quarter on an 11-2 run, sparked by five straight points from Yang Shuyu.
The first 45 minutes were entertaining, but after the break Barca began to look fatigued. Ronald Koeman made several changes, bringing Francisco Trincao, Pedri and Miralem Pjanic into the action, while Sergino Dest made his debut for the injured Jordi Alba. Despite Trincao having a late shot saved, Barca didn't do enough to win, while Sevilla looked happy with a point.
Next up for the 33-year-old is Russia's world No. 16 Karen Khachanov. Djokovic owns a 3-1 lead in the head-to-head record against Khachanov but the latter won the pair's previous encounter in Paris - at the 2018 Paris Masters when the Russian claimed a straight-set win in the final to clinch the biggest title of his career until now.
In other games in the Meizhou division, Zhejiang Energy Greentown beat Jiangxi Liansheng 2-0, and Shaanxi Chang'an Athletic defeated Liaoning Shenyang Urban 1-0.
The injury means that Alba will be forced to pull out of the Spanish national team squad for the forthcoming friendly game in Portugal and the UEFA Nations League ties against Switzerland and Ukraine.
Also absent will be representatives from Oriente Petrolero, due to bickering between club officials and the Bolivian Football Federation (FBF).
Mainz were unable to gain a foothold into the first half and had to wait until the 38th minute to get their first chance on target, as Jean-Philippe Mateta's header came close.
MADRID, Oct. 3 (Xinhua) -- Both Real Madrid and FC Barcelona are in action on Sunday in their last La Liga games before the international break.
Berenguer will cost around 12 million euros (about 14.05 million U.S. dollars) and is contracted to Athletic Bilbao until the end of June 2024.
Third seed Elina Svitolina cruised past 27th-seeded Ekaterina Alexandrova 6-4, 7-5 to advance to the next round. Argentinian qualifier Nadia Podoroska extended her stunning run on clay after the restart of the season, as the 23-year-old dispatched Anna Karolina Schmiedlova 6-3, 6-2 to become the first Argentinian women's player to reach the fourth round in Paris since 2011. Enditem