Career
Lezin never turned pro. 1993 competed as a Heavyweight at the World Championships in Tampere, Finland. Lost to Félix Savón in the quarter-final.
1995 2nd place at Military World Championship in Ariccia, Italy.
Lost to Vitali Klitschko in the final. 1997 competed at World Championship in Budapest, Hungary.
Lost to Alexis Rubalcaba in the quarter-final. Defeated Sinan Samil Sam in the Semifinal.
Defeated Mikhail Yurchenko (Kazakhstan) Royal Society of Chemistry -1
Defeated René Monse (Germany) PTS (9-5)
Lost to Wladimir Klitschko (Ukraine) PTS (1-4)
2000 competed at the Sydney Olympics representing Russia.
Lost to Audley Harrison (Great Britain) Royal Society of Chemistry -4.