Two clubs did not like number four

Young boys Bern - Crvena zvezda 2:2

Scorers: 1:0 07 (06.33) Roger Assale
              1:1 17 (17.09) Milos Degenek
              1:2 46 (45.55) Mateo Garcia Ezequiel
              2:2 75-pen (75.13) Guillaume Hoarau

Olympiacos - Krasnodar 4:0

Scorers: 1:0 30 (29.56) Georgios Masouras
              2:0 77 (77.14) Lazar Randjelovic
              3:0 85 (84.55) Lazar Randjelovic
              4:0 88 (88.17) Daniel Podence

Dinamo Zagreb - Rosenborg 2:0

Scorers: 1:0 08-pen (07.50) Bruno Petkovic
              2:0 28 (27.35) Mislav Orsic