 Under Stamenić, Olympiacos players improved significantly in both mental, physical, technical and tactical level, and in two years they managed to win 2 Greek League titles, 1 Greek Super Cup, and reach the final of the LEN Cup Winners' Cup in 1999, where they lost to Mladost, despite coming close to an amazing come-back in the second final leg, where they led the score by 10−2 at some point in the game (10−6 final score).Stamenic became a legend for the club and his contribution to Olympiacos and to Greek water polo in general is considered enormous.His training methods, his tactics and his deep understanding of every aspect of the game of water polo exerted a great influence on this generation of Olympiacos players.