In 2014 Olympiacos won the LEN Trophy in the Final Four in Florence, beating home team Firenze 10–9 in the final. One year later, Olympiacos were crowned European Champions, winning the LEN Euroleague in the 2015 Final Four in Piraeus, after a thrilling, hard-fought 10–9 win in the final against the then-reigning champions Sabadell, who were undefeated for more than 3 years with 115 consecutive wins in all competitions. Olympiacos lifted the LEN Euroleague title undefeated and having won 8 straight matches without even a single draw. As European Champions, Olympiacos participated in the final of the 2015 LEN Super Cup and won the title after a 10–6 win against Plebiscito Padova, thus completing a continental Treble in 2015 (LEN Euroleague, LEN Super Cup, Greek Championship), winning season's all three available titles.