UPDATE 6-Tennis-St Petersburg Open men's singles results

Sept 21 ( Gracenote) - Results from the St Petersburg Open Men's Singles matches on Wednesday Round 2 4-Roberto Bautista ( Spain) beat Ricardas Berankis ( Lithuania) 4-6 6-1 7-6(2) 1-Stanislas Wawrinka ( Switzerland) beat Lukas Rosol ( Czech Republic) 6-3 6-1 Round 1 Andrey Kuznetsov ( Russia) beat Evgeny Donskoy (Russia) 6-3 7-5 7-Viktor Troicki ( Serbia) beat Gastao Elias ( Portugal) 6-1 6-2 Mikhail Youzhny (Russia) beat Janko Tipsarevic (Serbia) 6-3 7-5 8-Joao Sousa (Portugal) beat Radu Albot ( Moldova) 3-6 6-4 7-5 Andrey Rublev (Russia) beat Mikhail Kukushkin ( Kazakhstan) 6-3 4-1 (Kukushkin retired)