Zimonjic, Matkowski in the quarterfinals of St. Petersburg

Serbian tennis player Nenad Zimonjic and Marcin Matkowski qualified for the quarterfinals of the tournament in St. Petersburg, as they tonight in the first round doubles beat Ricardas Berankis from Lithuania and the Portuguese Gastao Elias with 4:6, 6:3, 10:4th

Their next rival will be Russian Mikhail Elgin and Alexander Kudrijavcev .