Jagiellonia's Angolan forward Afimico Pululu opened the scoring in the sixth minute of the match, and Kristoffer Hansen added two more goals for the home team at the Municipal Stadium in the northeastern Polish city of Białystok, public broadcaster Polish Radio’s IAR news agency reported.
Jagiellonia beat Danish top-flight side FC Copenhagen 2-1 away from home in their opening game of this season's Conference League in early October. The Polish club followed up with a 2-0 home win over Moldovan side Petrocub Hîncești in their second game of the UEFA Conference League league phase.
The Polish champions, coached by Adrian Siemieniec, will face Slovenian side Celje in their next Conference League fixture away from home on November 28.
Meanwhile, Polish top-flight heavyweights Legia Warsaw defeated Belarusian side Dinamo Minsk 4-0 at home in their third Conference League league phase fixture on Thursday night.
After three rounds of fixtures, Legia were second and Jagiellonia were third in the Conference League standings, behind Chelsea on goal difference.
Jagiellonia and Legia will each face six different opponents in the league phase of the 2024/2025 UEFA Conference League until December 19, Polish state news agency PAP reported.
The top eight sides in the league phase of the new-look Conference League will qualify automatically for the knockout stages, while the teams finishing in ninth to 24th place will compete in a two-legged play-off to secure a place in the last 16 of the competition.
Teams ranked 25-36 will be eliminated from the competition, run by European football governing body UEFA.
Source: IAR, PAP, polskieradio24.pl, skysports.com