Walter Zenga got his first win on the Crotone bench thanks to Ante Budimir, but Chievo will rue poor finishing and the offside flag.
The Squali ended their run of four consecutive defeats and the decisive moment saw Budimir turn in after an Adrian Stoian cross-shot bounced off the bar.
Roberto Inglese and Manuel Pucciarelli wasted great chances to equalise and VAR disallowed a goal for offside.
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