The 10 winners of the play-off round advanced to the group stage, to join the 12 teams that entered in the group stage, the six losers of the Champions League play-off round (four from Champions Path and two from League Path) and the four League Path losers of the Champions League third qualifying round.
The team that scored more goals on aggregate over the two legs advanced to the next round.
If the aggregate score was level at the end of normal time of the second leg, extra time was played, and if the same number of goals was scored by both teams during extra time, the tie was decided by a penalty shoot-out.
A total of 14 teams played in the qualifying round.
The winners of the ties advanced to the play-off round.
The losers were transferred to the Europa Conference League play-off round of their respective path.
The teams were seeded into four "priority groups": The procedure of the draw was as follows: Association protection was not applied.
The losers were transferred to the Europa Conference League group stage.