Giorgi ousts fellow Italian Vinci in Poland

Katowice, Poland ( - An all-Italian affair resulted in an upset Wednesday, as Camila Giorgi knocked out defending champion Roberta Vinci at the WTA's BNP Paribas Katowice Open.

The second-round match saw the rising Giorgi upend the second-seeded Vinci, 6-3, 6-7 (7-9), 6-0.

Vinci upset former Wimbledon titlist Petra Kvitova in last year's inaugural Katowice finale

Third-seeded Spaniard Carla Suarez Navarro reached the quarters by overcoming Romanian Alexandra Cadantu 2-6, 6-4, 6-4.

Also in the second round, fifth-seeded Czech Klara Koukalova came from behind to ground German Annika Beck 4-6, 6-3, 6-1 and Israeli veteran Shahar Peer upended eighth-seeded Bulgarian Tsvetana Pironkova 6-2, 6-1.

The first round concluded Wednesday when seventh-seeded Slovak Magdalena Rybarikova topped French qualifier Claire Feuerstein 6-2, 7-5 and Croat Mirjana Lucic-Baroni drubbed Serb Jovana Jaksic 6-3, 6-4 on the indoor clay at Spodek.

On Thursday, top-seeded Polish star Agnieszka Radwanska will meet former French Open champ Francesca Schiavone of Italy in the round of 16.

The 2014 Katowice champion will collect $43,000.