Sarri's men hold a 3-0 advantage from the first leg and the Italian is expected to use the return fixture as an opportunity to rest some key players. He had a wonderful match and I'm really happy that he could play for 90 minutes.
"The potential of Loftus-Cheek is very high".
The Premier League side will now await Friday's draw to see who they will face in the quarterfinals, with a spot in the Champions League on offer for the victor of the second-tier European continental tournament.
And speaking after the match, Sarri only had positive words for Chelsea's No 12. Physically and tactically he is improving.
While Eden Hazard has already predicted his team-mate will develop into one of the best in his position in England, the coach went one further.
The midfield sees Ruben Loftus-Cheek being handed a start alongside Mateo Kovacic and N'Golo Kante, with Jorginho provided a rest and Ross Barkley not risked, for the English global is one yellow card away from suspension.
Hudson-Odoi continued his eye-catching Europa League campaign with a goal and an assist at the Olympic Stadium, and Sarri was encouraged by the 18-year-old's display - while sounding a familiar note of caution.
'And second, it means that Naples are in the final, and I am happy.
"Recently, every time he has been on the pitch, he has played really very well", he later told a media conference.
"Tonight we've done well at set-pieces, and it's nice because when you can score goals from set-pieces you understand that you can get more points at the end of the championship, and obviously when you play Europa League". "I'm happy for him, but he has to keep the feet on the ground because he can improve more".
"We scored after five minutes which was a very hard situation for the opponents".