Group A
Waspo 98 Hannover (GER) v Olympiacos Piraeus (GRE)
Hannover: Jadran 8-10 (h), Radnicki 12-13 (a), 5-20 Barceloneta (a)
Olympiacos: Recco 9-7 (h), Dinamo 21-9 (a), Jadran 13-8 (a)
Recent encounters:
2018-19: 9-9, 7-17
Jadran Split (CRO) v Dinamo Tbilisi (GEO)
Jadran: Hannover 10-8 (a), Recco 9-13 (h), Olympiacos 8-13 (h)
Dinamo: Barceloneta 8-14 (h), Olympiacos 9-21 (h), Vouliagmeni 7-12 (a)
Recent encounters:
2021-22: 15-13, 11-12
Zodiac CNA Barceloneta (ESP) v Radnicki Kragujevac (SRB)
Barceloneta: Dinamo 14-8 (a), Vouliagmeni 11-7 (a), Hannover 20-5 (h)
Radnicki: Vouliagmeni 9-9 (h), Hannover 13-12 (h), Recco 12-21 (a)
Recent encounters:
2021-22: 13-7, 9-3
Pro Recco (ITA) v NC Vouliagmeni (GRE)
Recco: Olympiacos 7-9 (a), Jadran 13-9 (a), Radnicki 21-12 (h)
Vouliagmeni: Radnicki 9-9 (a), Barceloneta 7-11 (h), Dinamo 12-7 (h)
Recent encounters:
Never met in CL
Group B
Genesys OSC Budapest (HUN) v Astralpool Sabadell (ESP)
OSC: Marseille 10-10 (a), Novi Beograd 9-17 (a), Spandau 9-9 (h)
Sabadell: FTC 7-10 (h), Spandau 9-9 (h), Brescia 4-7 (a)
Recent encounters:
Never met in CL
VK Novi Beograd (SRB) v AN Brescia (ITA)
NBG: Spandau 16-5 (a), OSC 17-9 (h), Jug 12-12 (h)
Brescia: Jug 13-8 (a), FTC 8-4 (h), Sabadell 7-4 (h)
Recent encounters:
2021-22: 13-16, 11-11, semi-final: 14-13
CN Marseille (FRA) v Spandau 04 Berlin (GER)
Marseille: OSC 10-10 (h), Jug 9-14 (a), FTC 8-9 (a)
Spandau: Novi Beograd 5-16 (h), Sabadell 9-9 (a), OSC 9-9 (a)
Recent encounters:
2021-22: 12-7, 13-7. 2020-21: 8-5, 7-7
FTC-Telekom Budapest (HUN) v Jug Adriatic Osiguranje Dubrovnik (CRO)
FTC: Sabadell 10-7 (a), Brescia 4-8 (a), Marseille 9-8 (h)
Jug: Brescia 8-13 (h), Marseille 14-9 (h), Novi Beograd 12-12 (a)
Recent encounters:
2021-22, quarter-final: 14-13, 2018-19, quarter-final: 10-9