Bremen took the reins from the starting whistle but had to wait until the 18th minute for their first opportunity when Theodor Gebre Selassie rattled the left post from five meters.
Nuremberg remained harmless and had to swallow a third goal as Hwang rounded off his powerful performance by scoring his maiden goal for Leipzig in the dying minutes of the game.
Elsewhere, Relentless Borussia Monchengladbach whitewashed lower league side FC Oberneuland 8-0. Cologne crushed VSG Altglienicke 6-0 while Augsburg showed no mercy following a 7-0 victory over Eintracht Celle, and Wolfsburg moved past Union Furstenwalde 4-1. Enditem
A brand new format will be taken over five days of competition action, and innovative scoring methods will be implemented.
Athletic's pre-season has been hampered by six players testing positive for COVID-19 and injuries to others such as Yuri Berchiche, Inigo Martinez and Mikel Vesga and coach Gaizka Garitano could give minutes to impressive youngsters Unai Vencedor and Jon Morcilla, while COVID-19 also deprives Granada of veteran signing Jorge Molina.
"We need to give our talents the space to get minutes on the pitch," Hoeness replied.
The lower league side had their goalkeeper Jakub Jakubov to thank as he defused the promising efforts on target from Andrej Kramaric and Christoph Baumgartner before the break.
Lower league side Havelse broke the deadlock through Noah Plume with 17 minutes played. Mainz were unable to overcome Havelse's well-positioned defence in the first 45 minutes but the momentum on the pitch changed after the restart, and by courtesy of Jean-Philippe Mateta, who provided a second-half hat-trick for a 5-1 victory. Enditem
Mikel Arteta has now had time to put his mark on the Arsenal side he inherited from Unai Emery and winning the FA Cup and the Community shield have given the club a positive air, as have the signings of Willian from Chelsea, central defender Gabriel from Lille and the return of Dani Ceballos on loan from Real Madrid.
"Residents enter the gym, use the equipment and pay for the service by scanning a QR code with their smartphones," said Zhang Jian, general manager of the company running the gym, adding that this gym also offers physical testing and monitoring services to help the residents make scientific exercise plans.
Very little separated the two teams in the tilt, as each pair fired 46 winners on the day. Muhammad and Townsend broke serve six times, compared to five breaks for Xu and Melichar, but it was the Chinese-American team who used bold play to secure the decisive breaker.