The main round of the EHF European League Men opened with a bang on Tuesday, as Górnik Zabrze came from behind to upset Rhein-Neckar Löwen in group I. Earlier, the other German team in the group, TSV Hannover-Burgdorf, also suffered a defeat. Three more exciting matches closed the first game day. IK Sävehof suffered their first loss of the season, while SG Flensburg-Handewitt had an easy job at home against Bjerringbro-Silkeborg. After tight 60 minutes, Sporting CP managed to secure a win with the help of Martim Costa and Orri Thorkelsson.