Ingolstadt are still waiting for their first win of the Bundesliga season after going down 2-0 at Mainz on Saturday.Lukas Hinterseer went close to giving Ingolstadt the lead in the 20th minute when his volley struck the crossbar - but despite a few efforts from Dario Lezcano the visitors could not muster much else in Mainz.Yunus Malli opened the scoring from the penalty spot five minutes into the second half after Moritz Hartmann was adjudged to have brought down Daniel Brosinski inside the penalty area.Levin Oztunali added a second goal five minutes from time before a red card for Max Christiansen compounded Ingolstadt's woesends