"For a goalkeeper who's been around for a while it's something I've already experienced, but the goal was brutal."
Real Madrid showed they remain Europe's comeback kings.
"The first error is made by the linesman, the second comes from the referee," Tuchel said.
Six-time Champions League winners Bayern Munich head into Wednesday's second semi-final at Real Madrid, looking to change the narrative surrounding their disappointing season.
Bundesliga champions Bayer Leverkusen extended their season-long unbeaten run to 48 games with a 5-1 win at Eintracht Frankfurt on Sunday.
Bayern, who are in second place on 69 points, two ahead of Stuttgart in third with two games left, face Real in Spain on Wednesday after their 2-2 draw in Munich.
Toni Kroos has not decided where his future lies but his team-mates are hoping he chooses to stay at Real Madrid after his Champions League masterclass against Bayern Munich.
Real Madrid forward Vinicius Junior scored a double, including an 83rd-minute equalising penalty, to snatch a 2-2 draw at Bayern Munich in Tuesday's Champions League semifinal first leg.
Real Madrid are on a mission to clinch their 15th UEFA Champions League title but face Bayern Munich in a high-voltage clash in the semifinals of the competition. Can Bayern stop Real in their tracks? Real, on the other hand, only have the mighty German in their way and if they make it to the finals, the odds weigh heavily in their favour because Los Blancos have a reputation for not losing finals. The last time they lost a final in Europe was 43 years ago. Since then, they've won all of the eight finales they've played in.
Bayern Munich forward Harry Kane said he is enjoying every moment as he aims to break more records in Germany after scoring a record setting hat-trick in Bayern's 8-1 thrashing of Mainz 05 on Saturday.
Kane now has 30 goals in his first season in Munich colours, matched the record for a maiden campaign set by Uwe Seeler for Hamburg in 1963-64
Serhou Guirassy scored his 21st goal of the season as Stuttgart beat 10-man Union Berlin 2-0 on Friday to move one point behind second-placed Bayern Munich in the Bundesliga.
Xabi Alonso has taken Bayer Leverkusen to the brink of their first Bundesliga title, but the rising star of European coaching could soon be on the move to Liverpool or Bayern Munich.
Bayern Munich striker Harry Kane hopes Tuesday's 3-0 win over Lazio, which secured progress to the Champions League last eight, will be a "turning point" in the club's season.
Harry Kane scored a goal in each half as Bayern Munich beat Lazio 3-0 on Tuesday to reach the Champions League quarter-finals 3-1 on aggregate.
In February, Bayern announced Tuchel would leave the club at the end of the season, less than a year after replacing the sacked Julian Nagelsmann.
Bayer Leverkusen tightened their grip at the top of the Bundesliga with a 2-0 victory over 10-man Cologne to pull 10 points clear of Bayern Munich.
Bayern Munich must follow their 2-1 victory over RB Leipzig with a winning run to get their season back on track, forward Harry Kane said.
Outgoing Bayern Munich coach Thomas Tuchel joked "my bag is packed" after watching his side's 2-1 win over RB Leipzig while sitting on a silver-coloured suitcase on Saturday.