2023–24 LEN Euro Cup knockout stage

The knockout phase involves 16 teams: the eight teams which qualified as winners and runners-ups of each of the four groups in the group stage, and the eight third and fourth placed teams from the Champions League group stage^{[broken anchor]}.

Group	Winners	Runners-up
A	CN Barcelona	EN Tourcoing
B	RN Savona	A-Híd Vasas Plaket
C	Primorje Erste Bank Rijeka	BVSC-Zugló
D	Panionios GSS	CC Ortigia

Group	Winners	Runners-up
A	Astralpool Sabadell	Steaua București
B	Jug AO Dubrovnik	Dinamo Tbilisi
C	Crvena zvezda	Jadran Herceg Novi
D	Spandau 04	NC Vouliagmeni

The draw took place in Barcelona on 15 December 2023. The teams were split into two draws, one containing the four teams who finished fourth in the Champions League group stage^{[broken anchor]}, who would be pitted up against a Euro Cup group winner. The other half of the draw would see the third place teams from the Champions League group stage^{[broken anchor]} be drawn against a runner up of the Euro Cup group stage.^[1][2]

Fourth in Champions League Team Steaua București Dinamo Tbilisi Jadran Herceg Novi NC Vouliagmeni

First in Euro Cup Team CN Barcelona RN Savona Primorje Erste Bank Rijeka Panionios GSS

Third in Champions League Team Astralpool Sabadell Jug AO Dubrovnik Crvena zvezda Spandau 04

Second in Euro Cup Team EN Tourcoing A-Híd Vasas Plaket BVSC-Zugló CC Ortigia

Team 1	Agg.Tooltip Aggregate score	Team 2	1st leg	2nd leg
Jug AO Dubrovnik	21–19	A-Híd Vasas Plaket	12–11	9–8
BVSC-Zugló	22–23	Crvena zvezda	13–11	9–12
Spandau 04	22–20	CC Ortigia	8–8	14–12
Astralpool Sabadell	33–23	EN Tourcoing	18–11	15–12
Panionios GSS	30–31	Steaua București	12–11	18–20 PS
Primorje Erste Bank Rijeka	28–22	Dinamo Tbilisi	8–7	20–15
RN Savona	28–23	Jadran Herceg Novi	16–10	12–13
CN Barcelona	19–27	NC Vouliagmeni	13–17	6–10

8 March 2024 19:00	Report	Jug AO Dubrovnik	12–11	A-Híd Vasas Plaket	Dubrovnik, Croatia Referees: Adrian Tiberiu Alexandrescu (ROU), Julien Bourges (FRA)
		Score by quarters: 2–2, 5–3, 2–2, 3–4
		Cabañas 4	Goals	Gergely 4

23 March 2024 20:30	Report	A-Híd Vasas Plaket	8–9	Jug AO Dubrovnik	Budapest, Hungary Referees: Xavier Buch (ESP), Alessandro Severo (ITA)
		Score by quarters: 1–4, 2–2, 3–1, 2–2
		Dedović, Ákos 2	Goals	Lazic 3

Jug AO Dubrovnik won 21–19 on aggregate

8 March 2024 20:00	Report	BVSC-Zugló	13–11	Crvena zvezda	Budapest, Hungary Referees: Raffaele Colombo (ITA), Pau Segurana (ESP)
		Score by quarters: 3–2, 3–3, 3–2, 4–4
		Miklós 4	Goals	Subotić 5

23 March 2024 20:15	Report	Crvena zvezda	12–9	BVSC-Zugló	Belgrade, Serbia Referees: Sebastien Dervieux (FRA), Konstantinos Vasileiou (GRE)
		Score by quarters: 4–4, 3–2, 3–2, 2–1
		Vasić 3	Goals	Dávid 4

Crvena zvezda won 23–22 on aggregate

8 March 2024 19:30	Report	Spandau 04	8–8	CC Ortigia	Berlin, Germany Referees: Georgios Stavridis (GRE), Sinisa Matijasevic (MNE)
		Score by quarters: 1–2, 2–2, 1–3, 4–1
		Tkáč 2	Goals	Inaba 3

23 March 2024 19:00	Report	CC Ortigia	12–14	Spandau 04	Milan, Italy Referees: Tamas Kovacs-Csatlos (HUN), Juan Carlos Colominas (ESP)
		Score by quarters: 1–6, 2–3, 2–3, 7–2
		Cassia, Ferrero 3	Goals	Ćuk 4

Spandau 04 won 22–20 on aggregate

8 March 2024 19:30	Report	Astralpool Sabadell	18–11	EN Tourcoing	Sabadell, Spain Referees: Andrej Franulovic (CRO), Axel Bender (GER)
		Score by quarters: 4–3, 4–2, 6–4, 4–2
		Macarro 6	Goals	Živković 4

23 March 2024 21:15	Report	EN Tourcoing	12–15	Astralpool Sabadell	Tourcoing, France Referees: Spyridon Achladiotis (GRE), Ivan Rakovic (SRB)
		Score by quarters: 2–2, 5–6, 2–4, 3–3
		Kujacic 3	Goals	Macarro, Mallarach 3

Astralpool Sabadell won 33–23 on aggregate

8 March 2024 20:00	Report	Panionios GSS	12–11	Steaua București	Athens, Greece Referees: Andreja Stanojevic (SRB), Radoslaw Koryzna (POL)
		Score by quarters: 3–3, 1–2, 3–1, 5–5
		Gounas, Moskov 4	Goals	Georgescu 6

23 March 2024 19:00	Report	Steaua București	20–18	Panionios GSS	Bucharest, Romania Referees: Raffaele Colombo (ITA), Hendrik Schopp (GER)
		Score by quarters: 2–2, 3–2, 2–4, 4–2  PSO: 9–8
		Georgescu 6	Goals	Gounas, Kopeliadis 5

Steaua București won 31–30 on aggregate

8 March 2024 20:00	Report	Primorje Erste Bank Rijeka	8–7	Dinamo Tbilisi	Rijeka, Croatia Referees: Nikolaos Boudramis (GRE), Jaume Teixido (ESP)
		Score by quarters: 3–2, 1–1, 3–2, 1–2
		Brubnjak, Cubranic 2	Goals	Magrakvelidze 2

23 March 2024 19:00	Report	Dinamo Tbilisi	15–20	Primorje Erste Bank Rijeka	Tbilisi, Georgia Referees: Veselin Miskovic (MNE), Peter de Jong (NED)
		Score by quarters: 4–6, 3–3, 3–6, 5–5
		three players 3	Goals	Te Riele 5

Primorje Erste Bank Rijeka won 28–22 on aggregate

8 March 2024 19:00	Report	RN Savona	16–10	Jadran Herceg Novi	Savona, Italy Referees: Michiel Zwart (NED), Matan Schwartz (ISR)
		Score by quarters: 3–2, 4–3, 3–3, 6–2
		Rizzo 4	Goals	Radovic 4

23 March 2024 18:00	Report	Jadran Herceg Novi	13–12	RN Savona	Trebinje, Bosnia and Herzegovina[A] Referees: Georgios Stavridis (GRE), Pau Segurana (ESP)
		Score by quarters: 3–4, 2–2, 5–3, 3–3
		Nagaev 4	Goals	Bruni 3

RN Savona won 28–23 on aggregate

8 March 2024 20:45	Report	CN Barcelona	13–17	NC Vouliagmeni	Barcelona, Spain Referees: Alessandro Severo (ITA), Paul Kovac (AUT)
		Score by quarters: 3–5, 2–6, 3–4, 5–2
		Ferrer 5	Goals	Chalyvopoulos, Kalogeropoulos 3

23 March 2024 18:00	Report	NC Vouliagmeni	10–6	CN Barcelona	Athens, Greece Referees: Nenad Peris (CRO), Vojin Putnikovic (SRB)
		Score by quarters: 2–2, 3–1, 3–1, 2–2
		four players 2	Goals	Veich 4

NC Vouliagmeni won 27–19 on aggregate

The draw took place in Barcelona on 26 March 2024.^[3][4] There was no seeding.

Team 1	Agg.Tooltip Aggregate score	Team 2	1st leg	2nd leg
RN Savona	20–23	Spandau 04	10–11	10–12
Steaua București	11–13	Astralpool Sabadell	5–6	6–7
Jug AO Dubrovnik	29–19	Crvena zvezda	15–9	14–10
NC Vouliagmeni	23–24	Primorje Erste Bank Rijeka	14–9	9–15

6 April 2024 19:00	Report	RN Savona	10–11	Spandau 04	Savona, Italy Referees: Pau Segurana (ESP), Tamas Kovacs-Csatlos (HUN)
		Score by quarters: 2–2, 2–6, 2–0, 4–3
		Figlioli 4	Goals	Sedlmayer, Tomasović 2

27 April 2024 19:30	Report	Spandau 04	12–10	RN Savona	Berlin, Germany Referees: Adrian Tiberiu Alexandrescu (ROU), Vojin Putnikovic (SRB)
		Score by quarters: 2–2, 4–2, 4–3, 2–3
		Tomasović 4	Goals	Figlioli 3

Spandau 04 won 23–20 on aggregate

6 April 2024 18:00	Report	Steaua București	5–6	Astralpool Sabadell	Bucharest, Romania Referees: Sebastien Dervieux (FRA), Christos Kourtidis (GRE)
		Score by quarters: 3–1, 0–3, 1–0, 1–2
		Georgescu, Iudean 2	Goals	Macarro, Mallarach 3

27 April 2024 12:30	Report	Astralpool Sabadell	7–6	Steaua București	Sabadell, Spain Referees: Raffaele Colombo (ITA), Veselin Miskovic (MNE)
		Score by quarters: 2–0, 2–2, 2–2, 1–2
		Macarro, Valera 3	Goals	Georgescu 3

Astralpool Sabadell won 13–11 on aggregate

9 April 2024 19:00	Report	Jug AO Dubrovnik	15–9	Crvena zvezda	Dubrovnik, Croatia
		Score by quarters: 5–1, 5–3, 1–2, 4–3
		three players 3	Goals	three players 2

27 April 2024 20:00	Report	Crvena zvezda	10–14	Jug AO Dubrovnik	Belgrade, Serbia Referees: Frank Ohme (GER), Matan Schwartz (ISR)
		Score by quarters: 2–4, 3–3, 1–3, 4–4
		Gogov, Seman 3	Goals	Daube, Žuvela 3

Jug AO Dubrovnik won 29–19 on aggregate

6 April 2024 18:00	Report	NC Vouliagmeni	14–9	Primorje Erste Bank Rijeka	Athens, Greece Referees: Ivan Rakovic (SRB), Julien Bourges (FRA)
		Score by quarters: 5–2, 2–3, 2–2, 5–2
		Kalogeropoulos 5	Goals	Te Riele 4

27 April 2024 20:00	Report	Primorje Erste Bank Rijeka	15–9	NC Vouliagmeni	Rijeka, Croatia Referees: David Gomez (ESP), Gyorgy Kun (HUN)
		Score by quarters: 2–1, 5–4, 4–3, 4–1
		Crippa 3	Goals	Kalogeropoulos, Kapotsis 2

Primorje Erste Bank Rijeka won 24–23 on aggregate