| Date/Time | Phase | Team 1 | Team 2 | Score | Status |
|---|---|---|---|---|---|
| 18/6/2026 20:00 | Phase B2 | SZEGED | AQUA VAC | 11 - 4 | Finished |
| 18/6/2026 20:00 | Phase B2 | PLEBISCITO PADOVA | PALM HILLS SPORTS CLUB | 11 - 7 | Finished |
| 19/6/2026 08:00 | Phase B1 | YBL WPC | VK JADRAN - SPLIT | 3 - 10 | Finished |
| 19/6/2026 08:00 | Phase B1 | CERCLE NAGEURS MARSEILLE U11 | PVK BUDUCNOST ONE | 5 - 12 | Finished |
| 19/6/2026 08:00 | Phase B1 | 28 DEG. AQUATIC | GEZIRA SHARKS | 5 - 15 | Finished |
| 19/6/2026 08:00 | Phase B1 | SC QUINTO | SAN MAURO SQUALI | 7 - 16 | Finished |
| 19/6/2026 08:30 | Phase B1 | MINIONS | BOGLIASCOU11 | 9 - 5 | Finished |
| 19/6/2026 08:30 | Phase B1 | KPK U11 | SPORTIVA STURLA | 11 - 5 | Finished |
| 19/6/2026 08:30 | Phase B1 | MONACO | VASAS SHARKS | 12 - 12 | Finished |
| 19/6/2026 08:30 | Phase B1 | BVSC-ZUGLO BOYS | RZO - SWISS AQUATICS | 9 - 5 | Finished |
| 19/6/2026 09:00 | Phase B1 | RARI NANTES ROMA VIS NOVA | SODIC NINJAS | 6 - 7 | Finished |
| 19/6/2026 09:00 | Phase B1 | ANZIO WATERPOLIS AQUILOTTI | VPK PRIMORAC 1 | 6 - 11 | Finished |
| 19/6/2026 09:00 | Phase B1 | TEAM STRASBOURG | PACER U11 | 1 - 6 | Finished |
| 19/6/2026 09:00 | Phase B1 | POL. DELTA | GCI DOLPHINS | 7 - 16 | Finished |
| 19/6/2026 09:30 | Phase B1 | SODIC AQUA FORCES | SEMMELWEIS OSC | 13 - 5 | Finished |
| 19/6/2026 09:30 | Phase B1 | COCCODRILLI U11 | SMURFS | 12 - 8 | Finished |
| 19/6/2026 09:30 | Phase C QFinals | SODIC SOLDIERS | SARDONI | 8 - 9 | Finished |
| 19/6/2026 09:30 | Phase B1 | RENSEN TEAM | RARI NANTES SORI - U11 | 7 - 8 | Finished |
| 19/6/2026 09:30 | Phase C QFinals | RARI NANTES BOLOGNA | RN ROMA VIS NOVA | 10 - 6 | Finished |
| 19/6/2026 09:30 | Phase B1 | VPK PRIMORAC 2 | PECSI SPORTISKOLA | 11 - 11 | Finished |
| 19/6/2026 10:00 | Phase C Round of 16 | ZVL-1886 | GEZIRA STARS | 3 - 10 | Finished |
| 19/6/2026 10:00 | Phase C Round of 16 | GENOVA NERVI | LAZIO NUOTO BIANCA | 8 - 10 | Finished |
| 19/6/2026 10:00 | Phase C QFinals | BVSC-ZUGLO | BOGLIASCOU9 | 8 - 9 | Finished |
| 19/6/2026 10:00 | Phase C QFinals | CERCLE NAGEURS MARSEILLE U9 | KPK U9 | 7 - 1 | Finished |
| 19/6/2026 10:00 | Phase C Round of 16 | SORI POOL BEACH - UNDER 11 | BVSC-ZUGLO GIRLS | 4 - 3 | Finished |
| 19/6/2026 10:00 | Phase C Round of 16 | MINIONS! | PAN ORCAS | 1 - 13 | Finished |
| 19/6/2026 10:30 | Phase C Round of 16 | KAPOSVAR WATERPOLO | PN LUCCA | 14 - 2 | Finished |
| 19/6/2026 10:30 | Phase C Round of 16 | LES GRIMLINS DU CNO | REALE MUTUA TORINO'81 IREN | 7 - 5 | Finished |
| 19/6/2026 10:30 | Phase C QFinals | SODIC TITANS | MINI SMURFS | 5 - 1 | Finished |
| 19/6/2026 10:30 | Phase C Round of 16 | ONDA BLU | PALM HILLS SPORTS CLUB | 6 - 9 | Finished |