Though both drivers were unhurt, the time needed to repair the extensive damage to the barriers meant that the race was not restarted, with the results being taken from the end of lap 5 and only half championship points being awarded.
Koeman changed the style Barca used under Quique Setien, adapting a 4-2-3-1, with Antoine Griezmann leading the line, Frenkie de Jong and Sergio Busquets in the midfield holding roles and Messi, Philippe Coutinho and Ansu Fati in an attacking line of three.
Tianjin once had a good chance to break the deadlock in the 56th minute when midfielder Che Shiwei was fouled by defender Cong Zhen in the penalty area. After a VAR check, the referee awarded Tianjin a penalty kick, but Ghana's striker Frank Acheampong failed to convert it to a goal.
The 24-year-old Sherif, who ranks 172nd in the world, has become the first Egyptian woman to present at a Grand Slam main draw, while Pliskova, 27, is bidding for her first major title in her 33rd Grand Slam appearance.
"I think it's a great variety shot, the dropshot. I think it's important tactically to have it and to use it at the right time so that you can keep your opponent always guessing what the next shot is," said the top seed, who is seeking his 18th Grand Slam title at Paris.
The decision is made in light of the growing reputation and prestige of AFC competitions with the new brand taking effect from 2021, Asian football's governing body said in a statement.
"It was a really hard-fought victory," Zhang told Xinhua after the match.
As the Asia and Oceania Cups were unable to be staged due to COVID-19, prominent names such as Zhu Yuling (China), Kasumi Ishikawa (Japan), Cheng I-Ching (Chinese Taipei) and Feng Tianwei (Singapore) have been selected according to their world rankings.
Hoffenheim then grabbed the lead out of the blue with 16 minutes gone when Ermin Bicakcic headed home Dennis Geiger's corner kick to stun Hansi Flick's men.
This was Inter's first game of the season, as its clash with Benevento was postponed to September 30.
During the festival, the local government will take measures for epidemic prevention and control.