Napoli’s indifferent form continued as they were held to a goalless draw by relegation-threatened Hellas Verona at Stadio Diego Armando Maradona.
The Serie A leaders are 14 points clear but have now won just one of their past four games in all competitions.
Fit-again top-scorer Victor Osimhen came off the bench and hit the bar but the hosts could not find a winner.
After Lazio won at Spezia on Friday, Napoli need 11 points from eight games to clinch a first title since 1990.
Head coach Luciano Spalletti rested a number of players, including Khvicha Kvaratskhelia, but the winger was summoned from the bench in the second half as the home side struggled to find the breakthrough.
Matteo Politano did have the ball in the net in the first half, but his deflected effort was ruled out due to a Napoli player in an offside position obstructing Verona goalkeeper Lorenzo Montipo.
Osimhen had the best chance of the second half but shot against the woodwork before Cyril Ngonge nearly won it for 18th-placed Verona – but he shot wide after going through on goal.
Elsewhere, AC Milan went behind after just 32 seconds in their 1-1 draw at Bologna.
Milan boss Stefano Pioli made a number of changes ahead of the second leg of their Champions League quarter-final tie with Napoli, but may have regretted his decision when Nicola Sansone put Bologna ahead in the first minute.
Midfielder Tommaso Pobega equalised five minutes before half-time and a point keeps Milan in fourth.
Inter missed the chance to overtake their rivals after they fell to a shock 1-0 defeat at home against Monza.
Former Inter academy player Luca Caldirola scored the winner for the visitors in the 78th minute.
In the dying seconds, Edin Dzeko was unable to get on the end of Lautauro Martinez’s flicked header and Inter remain winless in the league since 5 March.
Line-ups
Napoli
Formation 4-3-3
- 1Meret
- 22Di Lorenzo
- 3Kim Min-jae
- 5Nunes Jesus
- 17Olivera
- 99Zambo Anguissa
- 4DemmeSubstituted forZielinskiat 64′minutes
- 7ElmasSubstituted forLobotkaat 73′minutes
- 21PolitanoSubstituted forZedadkaat 84′minutes
- 81RaspadoriSubstituted forOsimhenat 73′minutes
- 11LozanoSubstituted forKvaratskheliaat 64′minutesBooked at 90mins
Substitutes
- 6Mário Rui
- 9Osimhen
- 12Marfella
- 13Rrahmani
- 19Bereszynski
- 20Zielinski
- 23Zerbin
- 31Zedadka
- 55Østigård
- 68Lobotka
- 77Kvaratskhelia
- 95Gollini
Hellas Verona
Formation 3-4-1-2
- 1Montipò
- 27DawidowiczBooked at 90mins
- 6Hien
- 17CeccheriniBooked at 14minsSubstituted forCoppolaat 65′minutes
- 5FaraoniSubstituted forTerraccianoat 70′minutesBooked at 78mins
- 61Tameze
- 28Abildgaard
- 29Depaoli
- 33DudaSubstituted forVerdiat 70′minutesBooked at 90mins
- 11LasagnaSubstituted forNgongeat 87′minutes
- 38GaichSubstituted forDjuricat 65′minutes
Substitutes
- 7Verdi
- 19Djuric
- 22Berardi
- 24Terracciano
- 25Braaf
- 26Ngonge
- 30Kallon
- 32Cabal
- 34Perilli
- 42Coppola
- 77Suleman Kakari
- Referee:
- Federico La Penna
Live Text
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Match ends, Napoli 0, Verona 0.
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Second Half ends, Napoli 0, Verona 0.
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Simone Verdi (Verona) is shown the yellow card for a bad foul.
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Kim Min-Jae (Napoli) wins a free kick in the attacking half.
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Foul by Simone Verdi (Verona).
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Offside, Verona. Milan Djuric tries a through ball, but Fabio Depaoli is caught offside.
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Khvicha Kvaratskhelia (Napoli) is shown the yellow card.
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Attempt missed. Cyril Ngonge (Verona) right footed shot from outside the box misses to the left. Assisted by Simone Verdi following a fast break.
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Pawel Dawidowicz (Verona) is shown the yellow card for a bad foul.
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Karim Zedadka (Napoli) wins a free kick on the right wing.
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Foul by Pawel Dawidowicz (Verona).
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Substitution, Verona. Cyril Ngonge replaces Kevin Lasagna.
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Foul by Piotr Zielinski (Napoli).
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Milan Djuric (Verona) wins a free kick in the attacking half.
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Substitution, Napoli. Karim Zedadka replaces Matteo Politano.
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Attempt saved. MathÃas Olivera (Napoli) header from the centre of the box is saved in the top right corner.
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Victor Osimhen (Napoli) hits the bar with a right footed shot from the centre of the box.
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Attempt missed. Giovanni Di Lorenzo (Napoli) right footed shot from a difficult angle on the right is high and wide to the left. Assisted by Piotr Zielinski following a corner.
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Corner, Napoli. Conceded by Isak Hien.
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Attempt saved. Simone Verdi (Verona) right footed shot from outside the box is saved in the bottom right corner.