 Olympiacos fans are renowned for their ardent support to the men's water polo team, with the atmosphere at home matches in regarded as raucous and passionate to such an extent that is rarely seen in water polo matches.Papastrateio is widely considered one of the most fearsome and strong home grounds in Europe.Starting from season 2015–16, Olympiacos has won 19 out of their last 20 LEN Champions League home games in Piraeus (losing only to Szolnoki in the 2016–17 season), while their last defeat in the domestic competitions was recorded on 8 May 2013, with the Red-Whites counting more than 5 and a half years with nothing but straight wins at home in both the Greek League and the Greek Cup.