UPDATE 6-Tennis-St. Petersburg Trophy women's singles round 1 results

Jan 31 (Gracenote) - Results from the St. Petersburg Trophy Women's Singles Round 1 matches on Tuesday Donna Vekic (Croatia) beat Jelena Ostapenko (Latvia) 6-0 6-4 Alize Cornet (France) beat Kirsten Flipkens (Belgium) 6-4 6-2 Ana Konjuh (Croatia) beat Monica Niculescu (Romania) 1-6 6-3 6-2 Andrea Petkovic (Germany) beat Irina Begu (Romania) 6-1 7-5 Kristina Mladenovic (France) beat Elise Mertens (Belgium) 7-6(5) 6-4 6-Roberta Vinci (Italy) beat Timea Babos (Hungary) 6-3 3-6 6-4 Yulia Putintseva (Kazakhstan) beat Johanna Larsson (Sweden) 6-0 1-0 (Larsson retired)

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