The 2020–21 LEN Euro Cup knockout phase occurred from 27 February to 8 May 2021.

Qualified teams The knockout phase involves the sixteen teams which qualified as winners and runners-up of each of the eight groups in the qualification round.

GroupWinnersRunners-upA Tourcoing BarcelonaB Sabadell Dynamo MoscowC OSC Budapest Crvena zvezdaD Vouliagmeni Pays d’Aix NatationE Radnički Kragujevac MediterraniF Mladost Zagreb Primorac KotorG Szolnok StrasbourgH Sintez Kazan Novi Beograd

Format In the eight-finals, the first-place team from one group faces the second-placed team from the other group. The eight winning teams advance to the quarterfinals. The four quarterfinal winners qualify for the semifinals, and the winners of the semifinals qualify for the finals.

Times were CET/CEST, as listed by LEN (local times, if different, are in parentheses).

Schedule The schedule is as follows.

RoundDraw dateFirst legSecond legRound of 1616 December 202027 February 20216 March 2021Quarter-finals9 March 202117 March 202124 March 2021Semi-finals23 March 20213 April 202110 April 2021Final13 April 202124 April 20218 May 2021

Bracket

Eight Finals The draw for the eight-finals was held on 16 December 2020. The first legs were played on 27 February, and the second legs were played on 3 March 2021.

Overview

Matches

Radnički Kragujevac won 11–10 on aggregate.

OSC Budapest won 42–15 on aggregate.

Crvena zvezda won 19–15 on aggregate.

Szolnok won 35–24 on aggregate.

AstralPool Sabadell won 26–15 on aggregate.

Vouliagmeni won 16–15 on aggregate.

Dynamo Moscow won 23–18 on aggregate.

Mladost Zagreb won 18–15 on aggregate.

Quarter-finals The draw for the quarter-finals was held on 9 March 2021. The first legs were played on 17 March, and the second legs were played on 24 March 2021.

Overview

Matches

Crvena zvezda won 20–17 on aggregate.

Crvena zvezda won 24–22 on aggregate.

21–21 on aggregate. Vouliagmeni won 9–8 on penalties.

OSC Budapest won 27–23 on aggregate.

Semi-finals The draw for the semi-finals was held on 23 March 2021. The first legs were played on 3 April, and the second legs were played on 10 April 2021.

Overview

Matches

OSC Budapest won 21–16 on aggregate.

Szolnok won 35–20 on aggregate.

Finals The first legs were played on 24 April, and the second legs were played on 8 May 2021.

Overview

Matches

Notes

References

External links , len.microplustiming.com