His personal best is 20.17 metres, achieved on 20 July 2011 in Patras.

In the indoor track he has set a Greek record of 20.36 metres.

Stamatogiannis was found guilty for doping violation in May 2014 and got 2 years ban until July 2016.

Stamatogiannis tested positive for the anabolic steroid Stanozolol on 31 May 2014, and was subsequently handed a two-year ban from sport.

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