He signed a 3-year contract with Tavriya Simferopol after his contract with Dnipro has expired.In the summer of 2014 Serhiy signed for club Chornomorets Odesa. On January 28th, 2015 it was reported that Serhiy Nazarenko has had his contract mutually terminated by Chornomorets Odesa.
Serhiy Nazarenko debuted for the Ukraine national football team on 11 October 2003 in a match against Macedonia which ended in a 0:0 draw. On 11 February 2009 Serhiy Nazarenko scored a goal against Serbia in a friendly match. On 10 June 2009 his double was the essential to gain an important win over the team from Kazakhstan after trailing behind after the first 30 minutes into the game. At that his total amount of goals scored became 10 which put him right behind Rebrov and Shevchenko in the list of top scorers on the Ukrainian national football team.