Both teams will now lock horns on May 5 in the second-leg semifinal, and whoever wins that clash will progress to the finals of the tournament.
In a low-key Premier League encounter, the result was settled by a mistake from goalkeeper Leno when he allowed Richarlison's cross through his legs and diverted it into the net, DPA reported.
The European Super League's announcement on Sunday, made by 12 founding clubs including Manchester City, Chelsea, Arsenal, Liverpool, Manchester United, and Tottenham Hotspur, was met with widespread criticism.
Chelsea defeated Porto 2-0 in the first-leg, and now Porto would be required to win by at least three goals margin in the second leg, in order to qualify for the semifinals.
Bayern defeated PSG 3-2 on Thursday to gain an advantage in the quarterfinal of the Champions League.
They had previously been level with Barcelona on 18. In the first-leg match, Bayern Munich had thrashed Lazio 4-1.
Madrid had reached the semifinals or better in eight straight seasons between 2010-11 and 2017-18 before losing to Ajax in the last 16 in 2019 and to Manchester City last season.
Messi missed the penalty against Paris Saint-Germain as the LaLiga giants played out a 1-1 draw in the Champions League second-leg clash of the round-of-16 fixture on Wednesday (local time).
French striker Kylian Mbappe opened the scoring as he converted the penalty in the 30th minute of the game. The lead did not last long as Messi's 37th-minute strike squared-off things for the visitors at Parc des Princes.
Porto, which played most of the second leg at a numerical disadvantage after Mehdi Taremi's sending off, advanced on away goals after the matchup ended 4-4 on aggregate.
Kai Havertz was unlucky not to be credited with Chelsea's first goal, with Ben Godfrey's deflection eventually confirmed as an own goal.
Madrid entered the game as the big favorite despite a slew of injuries, and Atalanta's chances diminished further when midfielder Remo Freuler was sent off.
Musiala also became the second-youngest player to score in the knockout stage of the competition when he netted Bayern's second goal.
PSG striker Kylian Mbappe helped his side's supporters forget the absence of Neymar and Angel Di Maria with a hat-trick that left Barca needing to score four goals in the return leg to highlight the club's recent decline.
The match, which was Liverpool's away leg, was played at Puskas Arena in Budapest, Hungary due to Covid-19 restrictions in Germany.
"After analysis of clinical exams and scans, it is expected that he'll be out for around four weeks depending on the evolution of the injury," the capital club said in a statement on Thursday.