Teenager Moise Kean scored his first goal of the campaign to double Juventus' lead in the second half
Juventus sealed their place in the quarter-finals of the Coppa Italia with victory at Bologna.
Federico Bernardeschi broke the deadlock after nine minutes following a mix-up between Bologna goalkeeper Angelo da Costa and Arturo Calabresi.
Eighteen-year-old Moise Kean sealed the win from close range three minutes into the second half.
Juve will face the winners of Monday's clash between Cagliari and Atalanta in the last eight of the competition.
This was as comfortable as it gets for the tournament holders, who left Cristiano Ronaldo, Paulo Dybala and Blaise Matuidi on the bench at the Stadio Renato Dall'Ara.
Ronaldo replaced Kean after 62 minutes, while Dybala came on for the impressive Douglas Costa 13 minutes from time.
Nicola Sansone sent a header narrowly wide in the second half as Filippo Inzaghi's team searched for a route back into the match, but the result was rarely in doubt after Kean doubled the tournament holders' lead shortly after the restart.
Massimiliano Allegri's side are next in action on Wednesday, when they take on AC Milan in the Supercoppa Italiana.
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Line-ups
Match Stats
Line-ups
Bologna
1Da Costa
33Calabresi
23Larangeira
18Helander
14MattielloSubstituted forOrsoliniat 70'minutes
32SvanbergSubstituted forDonsahat 62'minutes
5Pulgar
21SorianoBooked at 82mins
35Dijks
10Sansone
22DestroSubstituted forPalacioat 77'minutes
Substitutes
3González
4De Maio
7Orsolini
11Krejci
15Mbaye
17Donsah
24Palacio
25Corbo
28Skorupski
30Okwonkwo
91Falcinelli
99Pirana
Juventus
1Szczesny
2De SciglioBooked at 43mins
19Bonucci
3Chiellini
37SpinazzolaSubstituted forLobo Silvaat 80'minutes
23CanBooked at 69mins
5Pjanic
6Khedira
11Douglas CostaSubstituted forDybalaat 77'minutes
18KeanSubstituted forCristiano Ronaldoat 62'minutes
33BernardeschiBooked at 30mins
Substitutes
4Benatia
7Cristiano Ronaldo
10Dybala
12Lobo Silva
14Matuidi
21Pinsoglio
22Perin
24Rugani
30Bentancur
Referee:
Federico La Penna
Match Stats
Home TeamBolognaAway TeamJuventus
Possession
Home35%
Away65%
Shots
Home14
Away14
Shots on Target
Home0
Away5
Corners
Home3
Away7
Fouls
Home17
Away5
Source: bbc.com