Novak Djokovic battled to a straight-sets win over Filip Krajinovic to reach the quarter-finals of the Italian Open for the 14th year in a row.
Djokovic saved five break points on his way to a 7-6 6-3 win over his fellow Serb in a match lasting over two hours.
Djokovic trailed 4-1 in the first-set tie break and needed five set points, before improving in the second set.
Defending champion Rafael Nadal cruised past Dusan Lajovic 6-1 6-3 to secure his quarter-final spot.
Djokovic, 33, is playing in his first tournament since being disqualified for accidentally hitting a line judge with a ball at the US Open.