Lega Basket is the top professional basketball league in Italy. It is organized by the Italian Basketball Federation (FIP) and is composed of 18 teams. The league was founded in 1920 and has been operating in its current form since 2000. The league's current champion is Olimpia Milano, which won its third consecutive title in the 2019–20 season. The season runs from October to May and features a regular season, followed by the playoffs. During the regular season, teams play each other twice, once at home and once away. At the end of the regular season, the top eight teams advance to the playoffs, with the top four teams receiving a bye to the quarterfinals. The playoffs are a best-of-five series, with the winner of the series advancing to the next round. The final is a best-of-seven series. Lega Basket is one of the most popular sports leagues in Italy, with an average attendance of 7,000 fans per game. It is also one of the most successful, with many of its teams having won European and international titles.