World no. 166 Danilo Petrovic got a chance to compete in Sardinia's main draw, replacing Fabio Fognini as a lucky loser and moving into the quarters. Petrovic defeated Roberto Carballes Baena 6-1, 6-4 in an hour and 27 minutes, suffering three breaks and dominating on the return to erase that deficit with seven breaks from 14 opportunities.
The Serb broke the Spaniard four times in the opening set, pulling the break back in set number two and sealing the deal with another one at 5-4, earning his first ATP win at 28 and advancing into the quarters. Federico Delbonis ousted the 6th seed Pablo Andujar 5-7, 7-6, 6-4 in two hours and 45 minutes, pulling the break back in the very last moment in set number two and prevailing in the tie break to prolong the clash.
Andujar hit ten double faults, suffering five breaks and delivering as many from 13 opportunities, winning 107 points like Delbonis but failing to make the final step and reach the next round. They traded four breaks between games four and eight in the opening set to stay neck and neck before the Spaniard scored another one at 5-5 that secured the set for him.
Pablo served for the victory at 5-4 in set number two, losing serve to keep Delbonis in contention and squandering his chances in the tie break to bring a decider. There, Federico grabbed an early break and produced five comfortable holds to cross the finish line and move into the last eight.
Laslo Djere is through to the third ATP quarter-final of the season, ousting the 2nd seed Dusan Lajovic 6-4, 7-5 in an hour and 42 minutes. Laslo got broken three times, securing five return games from 14 opportunities to move over the top in straight sets.
From 4-3 down in the first set, Djere claimed three straight games to take it 6-4, serving for the victory at 5-4 in the second.
Laslo Djere and Danilo Petrovic are through into the quarters.
Dusan broke back to extend his chances, only to lose the next two games and push Laslo into the last eight.
Jiri Vesely defeated the 5th seed Lorenzo Sonego 6-4, 3-6, 6-1 in two hours and 14 minutes, dropping only 14 points behind the initial shot and dominating the decider to remain on the title course. Vesely converted the only break chance in the opener to take it 6-4, losing ground a bit in the second and returning to his best in the final set to leave the rival behind and reach the second quarter-final of the season.
Yannick Hanfmann needed an hour and 24 minutes to beat Salvatore Caruso 6-0, 6-4, never losing serve and earning four breaks to advance into the second round.