World champion Daniel Stahl took his 13th consecutive victory in the men's discus, with the Swede throwing 67.28m.
"Piatek traveled to Bosnia against our agreement," said Preetz in an interview for Kicker magazine on Sunday evening.
Though it was clear that Djokovic had not intended to hit the line judge, organizers nevertheless said the Serbian was disqualified in accordance with the rules.
Madrid claimed last season's title with an impressive run of results in the last 11 games of the season and with coach Zidane Zidane's options improved by returning loanees Martin Odegaard and Alvaro Odriozola (and perhaps Sergio Reguilon), he maintains a balanced squad, despite the likely departure of Gareth Bale and James Rodriguez's move to England, neither of whom contributed much to their title win.
Sakkari threatened to repeat her come-from-behind victory over Williams in the Western & Southern Open two weeks ago, but ultimately fell just short.
Djokovic's exit means there will be a first-time Grand Slam champion in the men's draw, with Zverev among the contenders at Flushing Meadows.
International Olympic Committee (IOC) President Thomas Bach delivers a speech via video during the opening ceremony of the World Winter Sports (Beijing) Expo 2020 in Beijing, capital of China, on Sept. 5, 2020. (Xinhua/Li Ming)
The race was restarted from a standing start with Hamilton lining up first ahead of Stroll, who hadn't pitted but had been able to change his tyres during the stoppage, and Gasly, who had made his pitstop just before the safety car was deployed.
PARIS, Sept. 4 (Xinhua) -- Belgian cyclist Wout Van Aert won the 7th stage of the 2020 Tour de France, a 168km ride from Millau to Lavaur, on Friday.
Wu Haodong/Wang Chang overcame Deng Jiaqiang/Wu Tuobin 11-7, 11-6, 8-11, 11-3 to take the first point for Zhejiang in the opening men's doubles, before Lei Lanxi beat Ren Pengbo in the men's singles to tie the match for Shenzhen.
More than 5,000 participants from 156 teams from over 30 countries and regions competed in the games.