De Laurentiis feels that having a potential pre-season of only three weeks is not long enough and he feels that the 2020-21 season should start on October 4 instead.
Arkadiusz Milik scored the winning spot-kick after Paulo Dybala had seen his first for Juve saved, before team-mate Danilo blazed the second over.
This followed a hard-fought 0-0 over 90 minutes of few chances, played behind closed doors at the Stadio Olimpico.
It gives Napoli boss Gennaro Gattuso his first major trophy as a manager.
However, for his opposite number Maurizio Sarri it is another lost piece of potential silverware.
Champions League knockout games will be played in a 12-day condensed tournament in Lisbon in August, UEFA has confirmed.
The eight teams remaining in the competition will take part in a straight knockout tournament between August 12 and 23.
Champions League last-16 ties still to be played
After drawing 1-1 in Milan on 13 February, Juve could not find the net in a semi-final second leg played behind closed doors in Turin.
Cristiano Ronaldo missed a penalty awarded for handball before Milan’s Ante Rebic was sent off following his 16th-minute foul on Danilo.
Napoli take a 1-0 lead into Saturday’s Coppa Italia semi-final second leg.
It means four of Europe’s top-five leagues are committed to finishing the coronavirus-disrupted campaign, with only Ligue 1 having declared the season over.
Italy is already well into Phase Two of the coronavirus pandemic response, with deaths and new cases falling daily for several weeks.
“We are working on two possible dates to begin Serie A games, on June 13 or 20,” Spadafora told Rai TG3.
“The protocol arrived for resuming the season and it is very similar to the one that was agreed for training. On Thursday, we’ll decide if and when to resume.”
Are Juve trendsetters again as they have become the first Italian club to launch their own salary cap? Will other clubs follow this lead, leading to a reduction in wages across the top clubs in Europe?
From next season, the Serie A giants will hand out contracts worth a maximum of €9million a year, which works out at around €173,000 a week.
Football in Italy has been shut down for six weeks and the Government lockdown measures should be eased from May 4, including a return to training with social distancing.
However, the FIGC protocol to ensure player safety has not been entirely welcome, with the Corriere della Sera newspaper claiming only three out of 20 clubs and their medical staff have approved the system.
Inter Milan are desperate to sell former captain Mauro Icardi, but they don’t want to sell him to domestic rival.
Which is why when Inter sent Icardi on loan to PSG last summer, they included a clause that if PSG purchased Icardi and then immediately sold him to another Serie A club, that Inter would receive an additional €15m.
To take Icardi on loan, PSG paid a €13m loan fee and covered his wages. Icardi for his part settled in well in Lique 1, scoring 20 goals and adding four assists in 31 competitive games.
Italy’s leading infectious diseases specialist confirms “Serie A could resume in a month’s time, behind closed doors and with rigorous measures.”
The FIGC (Italian Football Federation) wrote up the protocol for getting players and staff back on the pitch in as much safety as possible after the coronavirus pandemic.
They are aiming to start training from May 4, with games taking place from May 30-31.
“As things stand today, the Serie A campaign could not resume, but it could do in a month’s time, albeit behind closed doors and with rigorous measures,” said Giovanni Rezza, director of the Department for Infectious Diseases at the Istituto Superiore di Sanità.