The team was downed in the final seconds of Game 5 of the playoff series against Anadolu Efes in Istanbul.
Laso's men extended their best away start in the competition thanks to Rudy leading the scoring (22).
The team defeated Anadolu Efes with a 23-4 run from 13 points down with 7 minutes left to play. Garuba was imperious (24 points, 12 rebounds and PIR of 30).
Madrid was trailing by 13 points with five minutes remaining but tore up an incredible 19-2 run that was paced by Llull (20 points, 16 of which came in the final quarter).
Real Madrid make their best away start in the ACB with a 16-0 win record. Exhibition by Carroll (20 points in 20 minutes).
Real Madrid lost to Anadolu Efes in Istanbul where Tavares was a late substitute.
The third quarter set the tone for a match that until then had been very evenly matched. The second episode of the tie will be played in 48 hours.
Real Madrid overcame a spirited Joventut side in Poirier's debut in the white jersey. Seven players recorded double-digits.
Real Madrid downed Lenovo Tenerife two days on from El Clásico and is now riding a 15-game winning streak in the league.
The league leaders beat Barça at the Palau Blaugrana to remain unbeaten on their travels and register their 14th win in a row.
