| Final Group Hvar | Mlad | PrRe | CSKM | Robb | pts | won | drw | lst | gf | ga | g+- | | 1. Mladost Zagreb |  YUG | --- | 4:2 | 6:5 | 4:1 | 6 | 3 | 0 | 0 | 14: | 8 | +6 | | 2. Pro Recco |  ITA | | --- | 7:5 | 4:3 | 4 | 2 | 0 | 1 | 13: | 12 | +1 | | 3. CSK Moskva |  URS | | | --- | 9:7 | 2 | 1 | 0 | 2 | 19: | 20 | -1 | | 4. De Robben Hilversum |  NED | | | | --- | 0 | 0 | 0 | 3 | 11: | 17 | -6 |
Mladost Zagreb: Stipanic, Zuzej, Bonacic, Z. Simenc, Lopatny, Poljak, Jeger, Matosic, Radjenovic, Dijakovic, Hebel.
| date | team 1 | score | team 2 | 1T | 2T | 3T | | played in Hvar, Yugoslavia. | | Sat 03.12.71 | Pro Recco | ITA | 4-3 | De Robben Hilversum | NED | 1-0 | 2-1 | 3-3 | | Sat 03.12.71 | Mladost Zagreb | YUG | 6-5 | CSK Moskva | URS | | | Sat 04.12.71 | CSK Moskva | URS | 9-7 | De Robben Hilversum | NED | 2-1 | 5-4 | 6-2 | | Sat 04.12.71 | Mladost Zagreb | YUG | 4-2 | Pro Recco | ITA | | | Sun 05.12.71 | Pro Recco | ITA | 7-5 | CSK Moskva | URS | | | Sun 05.12.71 | Mladost Zagreb | YUG | 4-1 | De Robben Hilversum | NED | 2-0 | 3-1 | 3-1 |
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| | | First 2 from each Group advanced to Final Group. Draw Athens, 31.10.1971. |
| Group A1 Hvar | Mlad | Robb | Olym | Poly | pts | won | drw | lst | gf | ga | g+- | | 1. Mladost Zagreb | YUG | --- | 2:1 | 7:2 | 14:3 | 6 | 3 | 0 | 0 | 23: | 6 | +17 | | 2. De Robben Hilversum | NED | | --- | 2:1 | 7:3 | 4 | 2 | 0 | 1 | 10: | 6 | +4 | | 3. Olympiakos Piraeus |  GRE | | | --- | 6:5 | 2 | 1 | 0 | 2 | 9: | 14 | -5 | | 4. Polytechnic London |  GBR | | | | --- | 0 | 0 | 0 | 3 | 11: | 27 | -16 |
| date | team 1 | score | team 2 | 1T | 2T | 3T | | played in Hvar, Yugoslavia. | | Fri 19.11.71 | Olympiakos Piraeus | GRE | 6-5 | Polytechnic London | GBR | | Fri 19.11.71 | Mladost Zagreb | YUG | 2-1 | De Robben Hilversum | NED | | Sat 20.11.71 | De Robben Hilversum | NED | 2-1 | Olympiakos Piraeus | GRE | 1-0 | 2-0 | 2-0 | | Sat 20.11.71 | Mladost Zagreb | YUG | 14-3 | Polytechnic London | GBR | 3-0 | | Sun 21.11.71 | De Robben Hilversum | NED | 7-3 | Polytechnic London | GBR | 2-1 | 2-1 | 4-3 | | Sun 21.11.71 | Mladost Zagreb | YUG | 7-2 | Olympiakos Piraeus | GRE |
| Group B1 Genoa | CSKM | PrRe | Barc | Kosi | pts | won | drw | lst | gf | ga | g+- | | 1. CSK Moskva | URS | --- | 2:2 | 12:7 | 6:1 | 5 | 2 | 1 | 0 | 20: | 10 | +10 | | 2. Pro Recco | ITA | | --- | 5:5 | 4:1 | 4 | 1 | 2 | 0 | 11: | 8 | +3 | | 3. CN Barcelona |  ESP | | | --- | 8:4 | 3 | 1 | 1 | 1 | 20: | 21 | -1 | | 4. Kosice |  TCH | | | | --- | 6 | 0 | 0 | 3 | 6: | 18 | -12 |
| date | team 1 | score | team 2 | 1T | HT | 3T | | played in Genoa, Italy. | | Fri 19.11.71 | CSK Moskva | URS | 12-7 | CN Barcelona | ESP | | | Fri 19.11.71 | Pro Recco | ITA | 4-1 | Kosice | TCH | | | Sat 20.11.71 | CSK Moskva | URS | 6-1 | Kosice | TCH | 0-0 | 1-1 | 4-1 | | Sat 20.11.71 | Pro Recco | ITA | 5-5 | CN Barcelona | ESP | 3-1 | 4-3 | 5-4 | | 1T: Pizzo 2, Chilbeisini --- Zubicoa 2T: Pizzo --- Jane, Rubio 3T: Chibelsini --- Jane 4T: 5-5 Jane. | | Sun 21.11.71 | CN Barcelona | ESP | 8-4 | Kosice | TCH | 1-1 | 1-1 | 3-2 | | 1T: 1-0 Jane, 1-1 Salat 3T: 2-1, Soler, 3-1 Rubio, 3-2 Skod 4T: Escartin, Sepesens, Jane 22, Mas --- Kubiska, Tack. | | Sun 21.11.71 | CSK Moskva | URS | 2-2 | Pro Recco | ITA | |
Pro Recco: Verasco, Svseto, Laboratori, Chibelsini, Solmei, Catgino, Pizzo, Galbusera, Zellain.
Barcelona: Bestit, Rubio, Cedero, Jane, Hernandez, Soler, Mas, Escartin, Sopesens, Zubicoa.
Kosice: Kiradek, Salat, Peczar, Kubiska, Skod, Retnorski, Samuilis, Badura, Tack, Botilk.
| Group A | | Barc | Olym | Luga | ____ | pts | won | drw | lst | gf | ga | g+- | | 1. CN Barcelona | ESP | --- | 6:2 | 15:3 | | 4 | 2 | 0 | 0 | 21: | 5 | +19 | | 2. Olympiacos Piraeus | GRE | | --- | 17:7 | | 2 | 1 | 0 | 1 | 19: | 13 | +6 | | 3. Lugano |  SUI | | | --- | | 0 | 0 | 0 | 2 | 10: | 32 | -22 | | | | | | | --- | |
| date | team 1 | score | team 2 | 1T | 2T | 3T | | played in Athens, Greece. | | Fri 29.10.71 | Olympiacos Piraeus | GRE | 17-7 | Lugano | SUI | | | Sat 30.10.71 | CN Barcelona | ESP | 15-3 | Lugano | GRE | 4-0 | 1-0 | 1-0 | | 1T: Jane 2, Mas, Codera 2T: Jane 2, Mas, Rubio 3T: Jane, Codera, Soler, Rubio --- Van der Voet pen., Hofmann 4T: Rubio, Henrandez, Sopresns --- Heer. Referee: Vistis, Greece. | | Sun 31.10.71 | CN Barcelona | ESP | 6-2 | Olympiacos Pirauesm | GRE | 0-0 | 1-1 | 5-2 | | 2T: 1-0 Jane, 1-1 Pallos 3T: 1-2 Melavides, 2-2 Escartin, 3-2 Jane, 4-2 Jane pen., 5-2 ?? batalla campal em plena piscina. 4T: 6-2 Jane |
Barcelona: Bestit, Olivet, Rubio, Condera, Jane, Hernandez, Soler, Mas, Escartin. Sopesens, Zubicos.
Olympiacos: Ianidis, Malevides, Teodorokolulos, Bernardos, Sarados, P. Damaskos, I. Damaskos, I. Sarados. Palios.
Lugano: Derendinger, Bustelli, Heer, Menher, Furrer, Hofmans, Van de Veer, Calori, Frey, Biselt.
| Group B | | Mlad | Robb | Akad | ____ | pts | won | drw | lst | gf | ga | g+- | | 1. Mladost Zagreb | YUG | --- | 1:0 | 8:2 | | 4 | 2 | 0 | 0 | 9: | 2 | +7 | | 2. De Robben Hilversum | NED | | --- | 6:5 | | 2 | 1 | 0 | 1 | 6: | 6 | 0 | | 3. Akademik Sofia |  BUL | | | --- | | 1 | 0 | 0 | 2 | 7: | 14 | -2 | | | | | | | --- | |
| date | team 1 | score | team 2 | 1T | 2T | 3T | | played at Diana Swimming Pool, Sofia, Bulgaria. | | Fri 29.10.71 | Mladost Zagreb | YUG | 8-2 | Akademik Sofia | BUL | 3-1 | 4-1 | 7-2 | | Mladost: Bonacic 2, Lopatni 2, Shimenc, Poljak, Radjenovic, Jerep --- Akademik: Bachvarov, Gerginov --- Excl: 3-3 Referee: Copola, Italy. | | Sat 30.10.71 | Mladost Zagreb | YUG | 1-0 | De Robben Hilversum | NED | 0-0 | 1-0 | 1-0 | | 1-0 Lopatni 2T pen. miss: Poljak (PArtizan) Referee: Copola, Italy. | | Sun 31.10.71 | De Robben Hilversum | NED | 6-5 | Akademik Sofia | BUL | |
Partizan: Stipanic, Hebel, Bonacic, Shimenc, Jujrl, Lopatni, Poljak, Radjenovic, Jerep, Dijakovic.
Den Robben: Koun, Lame, A. Hermensen, V. Hermensen, Shtroupr, Kamp, Jaspers.
Akademik: Chakarov, Kovachev, Bachvarov, Brankov, Vilov, Gerginov, Tomov, Filipov, Avramov.
| Group C | | CVKS | Poly | Antw | Mars | pts | won | drw | lst | gf | ga | g+- | | 1. CVKS VMF Moskva | URS | --- | 9:1 | 15:6 | 15:3 | 6 | 3 | 0 | 0 | 39: | 10 | +29 | | 2. Polytechnic London | NED | | --- | 9:4 | 8:3 | 4 | 2 | 0 | 1 | 18: | 16 | +2 | | 3. Antwerpen |  BEL | | | --- | 11:6 | 2 | 1 | 0 | 2 | 21: | 30 | -9 | | 4. Marseiile |  FRA | | | | --- | 0 | 0 | 0 | 3 | 12: | 34 | -22 |
Yuszme Istambul, Turkey was to play in this group, but was substituted with Marseiile, France.
| date | team 1 | score | team 2 | 1T | 2T | 3T | | played in London, England. | | Fri 29.10.71 | CVKS VMF Moskva | URS | 15-3 | Marseiile | FRA | | | Fri 29.10.71 | Polytechnic London | GBR | 9-4 | Antwerpen | BEL | | | Sat 30.10.71 | CVKS VMF Moskva | URS | 15-6 | Antwerpen | BEL | | | Sat 30.10.71 | Polytechnic London | GBR | 8-3 | Marseiile | FRA | | | Sun 31.10.71 | Antwerpen | BEL | 11-6 | Marseiile | FRA | | | Sun 31.10.71 | CVKS VMF Moskva | URS | 9-1 | Polytechnic London | GBR | |
| Group D | | PrRe | Kosi | Stock | Graz | pts | won | drw | lst | gf | ga | g+- | | 1. Pro Recco | ITA | --- | 10:5 | 7:4 | | 4 | 2 | 0 | 0 | 17: | 9 | +8 | | 2. Kosice | TCH | | --- | 7:6 | | 2 | 1 | 0 | 1 | 12: | 16 | -4 | | 3. Stockholm |  SWE | | | --- | | 0 | 0 | 0 | 2 | 10: | 14 | -4 | | -. Grazer |  AUT | | | | --- | DNS |
| date | team 1 | score | team 2 | 1T | 2T | 3T | | played in Kosice, Czechoslovakia | | Fri 29.10.71 | Pro Recco | ITA | 7-4 | Stockholm | SWE | | | Sat 30.10.71 | CH Kosice | TCH | 7-6 | Stockholm | SWE | | | Sun 31.10.71 | Pro Recco | ITA | 10-5 | CH Kosice | TCH | |
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