The phrase "aggregate score" refers to the total or overall score that is calculated by combining or adding individual scores from different events or matches. Full definition
With aggregate score 2 - 10, how could you say we competed? (justarsenal.com)
The winner of the activity is the team with the highest aggregate score. (edutopia.org)
Last time these two meet was back in February 2017 when Celta Vigo registered a 2 - 2 draw at home knocking out Real Madrid in Copa Del Rey on aggregate score of 4 - 3 thanks to 2 - 1 first leg win. (totalsportek.com)