Matches were played at Kópavogsvöllur, Kópavogur and Vikin, Reykjavík. Matches were played at Matija Gubec Stadium, Krško and Ivančna Gorica Stadium, Ivančna Gorica. Matches were played at Gradski vrt, Osijek and Stadion HNK Cibalia, Vinkovci. Matches were played at the Showgrounds, Ballymena; Stangmore Park, Dungannon and Mill Meadow, Castledawson. The two best runners-up also qualify for the round of 32. The match against the fourth-placed team in the group does not count for the purposes of the runners-up table. The tie-breakers in this ranking are:  The draw for the round of 32 and round of 16 was held on 19 August 2010. The draw for the quarter-finals and onwards was made on 19 November 2010. The bracket has been created in retrospect.  16 teams are seeded in this round, and play the second leg at home. Teams from the same association may not play each other. The first leg is scheduled for the week of 22 September 2010, the second leg for the week of 13 October 2010. The draw was made on 19 August 2010. The draws for this and all subsequent rounds are not seeded, and clubs from the same association may play each other. This round is scheduled for the week of 3 November and the week of 10 November 2010. The quarter final first ties were played on March 16 and 17, the second ties on March 23. "Lyon won 1–0 on aggregate." "3–3 on aggregate. Arsenal won on away goals"  "Duisburg won 5–2 on aggregate." "Potsdam won 9–2 on aggregate." The top goal scorers with the qualifying round excluded are:  UEFA has scheduled the competition as follows.