Europa's head coach Rafael Escobar Obrero gestures during UEFA Champions League first qualifying round football match between Crvena Zvezda and Europa FC in Belgrade, Serbia on Aug. 18, 2020. (Xinhua/Predrag Milosavljevic)

Europa's Juan Pedro Rico Dominguez (R) vies with Crvena Zvezda's Milan Rodic during UEFA Champions League first qualifying round football match between Crvena Zvezda and Europa FC in Belgrade, Serbia on Aug. 18, 2020. (Xinhua/Predrag Milosavljevic)

Europa's Adrian Gallardo Valdes (L) vies with Crvena Zvezda's Marko Gobeljic during UEFA Champions League first qualifying round football match between Crvena Zvezda and Europa FC in Belgrade, Serbia on Aug. 18, 2020. (Xinhua/Predrag Milosavljevic)

Crvena Zvezda's El Fardou Ben Nabouhane (L) celebrates goal with teammates during UEFA Champions League first qualifying round football match between Crvena Zvezda and Europa FC in Belgrade, Serbia on Aug. 18, 2020. (Xinhua/Predrag Milosavljevic)

Crvena Zvezda's Marko Gobeljic (L) and Nemanja Milunovic (R) vies with Europa's Adrian Gallardo Valdes during UEFA Champions League first qualifying round football match between Crvena Zvezda and Europa FC in Belgrade, Serbia on Aug. 18, 2020. (Xinhua/Predrag Milosavljevic)