Having showed good form this season, the Ghanaian was rewarded with another starting place and eventually lasted for the entire duration as the Red and Whites held the Italian club to a goalless draw at Stadio Olimpico.
The stalemate leaves Diego Simeone's outfit second in Group C, behind Chelsea who thrashed Azerbaijani side Qarabag FK 6-0 at Stamford Bridge.
“We tried everything, we had a great game,” Partey said.
“But with the bad luck of not scoring. We have no choice but to keep going but it wasn’t to be.
“Playing well on a personal level? The important thing is the team, the personal aspect comes after.
“We tried and did everything possible, but it’s not an easy place to play. We tried to hold them back but we couldn’t.
“Now it’s time to think about the next match. We have to keep going. A point away from home is good for us.”
Partey, who had 24 club outings in all competitions to his name last season, has made a combined three appearances this term.
Having missed the league opener due to suspension, he netted on his return in a 5-1 triumph over Las Palmas.
The 24-year-old was also adjudged Man-of-The-Match in the topflight deadlock at Valencia on Saturday.
At international level, the Odumase-Krobo-born registered his first Ghana goal in a 1-1 draw with Congo in the 2018 World Cup qualifying earlier this month before hitting a hat-trick to ensure a 5-1 victory in the return fixture four days later.