Serb Danilo Petrovic made the most of his late entry into the Sardinia Open, beating Roberto Carballés Baena 6-1, 6-4 in the second round on Wednesday.
Petrović was playing as a lucky loser in place of Fabio Fognini, who withdrew from the tournament after testing positive for the COVID-19.
Petrović, railed 166, will play Federico Delbonis of Argentina, who defeated sixth-seeded Pablo Andujar 5-7, 7-6 (5), 6-4, in the next round.
Second seed Dušan Lajović is also out after losing to Serbian Laslo Djere 6-4, 7-5.
Fifth seed Lorenzo Sonego lost 6-4, 3-6, 6-1 to Jiri Vesely.
Corentin Moutet beat American Frances Tiafoe 7-6 (0), 6-4 and Yannick Hanfmann beat Salvatore Caruso 6-0, 6-4.
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