Piispanen won a bronze medal in the bantamweight division at the 2002 Finnish national amateur championships.

Piispanen fought for his first regional title against European Union super-lightweight champion Giuseppe Lauri on 19 December 2008, but was stopped in six rounds.

[4] Two years later, on 18 July 2010, Piispanen fought again for the now-vacant title, stopping Emanuele de Prophetis in four rounds to become champion.

[5] Piispanen was not as fortunate in his second defence, on 3 June 2011, as he lost to Vittorio Oi via seventh-round unanimous technical decision.

[7] A chance to win the full European light-welterweight title came on 21 December 2013, against Michele di Rocco, but Piispanen lost again via unanimous decision.