The 2009–10 LEN Euroleague was the 47th edition of Europe's premier club

water polo Water polo is a competitive sport, competitive team sport played in water between two teams of seven players each. The game consists of four quarters in which the teams attempt to score goals by throwing the water polo ball, ball into the oppo ...

competition. It lasted between 9 October 2009 and 15 May 2010.

Format

The Euroleague is run in five phases: * First qualifying round, played as a single round robin tournament at the site of one of the teams competing (2 groups of 4, 2 groups of 5) * Second qualifying round, played as a single round robin tournament at the site of one of the teams competing (4 groups of 4) * Group (or preliminary) stage, played as a double round robin, home and away (4 groups of 4) * Quarterfinals, played as a knockout round on aggregate, home and away * Final four, played as a single knockout tournament at a neutral site (semifinals, third-place game, and final

Seeding

Seeded countries The eight countries with the best placed team in the preliminary rounds, or main group stage, in the previous year's competition, 2008–09 LEN Euroleague are seeded for this year's competition. Each seeded country earns 1 place in the main group stage, 1 place in the second qualifying round, and 1 place in the first qualifying round. These countries are: Unseeded countries All other countries were invited to enter up to two clubs into the first qualifying round.

Entries

First qualifying round

Group A (
Šibenik Šibenik (), historically known as Sebenico (), is a historic town in Croatia, located in central Dalmatia, where the river Krka (Croatia), Krka flows into the Adriatic Sea. Šibenik is one of the oldest Croatia, Croatian self-governing cities ...
)

Group B (
Marseille Marseille (; ; see #Name, below) is a city in southern France, the Prefectures in France, prefecture of the Departments of France, department of Bouches-du-Rhône and of the Provence-Alpes-Côte d'Azur Regions of France, region. Situated in the ...
)

Group C (
Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...
)

Group D (
Košice Košice is the largest city in eastern Slovakia. It is situated on the river Hornád at the eastern reaches of the Slovak Ore Mountains, near the border with Hungary. With a population of approximately 230,000, Košice is the second-largest cit ...
)

Second qualifying round

Group E (
Eger Eger ( , ; ; also known by other #Names and etymology, alternative names) is the county seat of Heves County, and the second largest city in Northern Hungary (after Miskolc). A city with county rights, Eger is best known for Castle of Eger, its ...
)

Group F (
Budva Budva (Cyrillic script, Cyrillic: Будва, or ) is a town in the Coastal Montenegro, Coastal region of Montenegro. It had 27,445 inhabitants as of 2023, and is the centre of Budva Municipality. The coastal area around Budva, called the Budv ...
)

Group G (
Naples Naples ( ; ; ) is the Regions of Italy, regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 908,082 within the city's administrative limits as of 2025, while its Metropolitan City of N ...
)

Group G (
Athens Athens ( ) is the Capital city, capital and List of cities and towns in Greece, largest city of Greece. A significant coastal urban area in the Mediterranean, Athens is also the capital of the Attica (region), Attica region and is the southe ...
)

Preliminary round

Group A

Group B

Group C

Group D

Knockout stage

Quarter-finals

The first legs were played on 24 March, and the second legs were played on 14 April 2010.

Final Four (
Naples Naples ( ; ; ) is the Regions of Italy, regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 908,082 within the city's administrative limits as of 2025, while its Metropolitan City of N ...
)

Final standings

Awards

External links

* ,

Ligue européenne de natation European Aquatics (formerly , , popularly known by its acronym LEN) is the European governing body for aquatic sports affiliated to World Aquatics — it is the Continental Association for Europe. It was formally organized in 1927 in Bologna, ...

, 5 August 2008.

Notes

{{DEFAULTSORT:2009-10 Len Euroleague Champions League 2009 in water polo 2010 in men's water polo LEN Champions League seasons