Struff Serves Past Maden, Into Munich QFs

Watch as Jan-Lennard Struff puts away Yannick Maden 6-3, 3-6, 6-3 to advance to the quarter-finals at the BMW Open by FWU on Wednesday. Struff, who faces Alexander Zverev for a place in the semi-finals, landed 12 aces against Maden. Video courtesy of BMW Open by FWU. Photo Credit: Alexander Hassenstein/Getty Images for BMW