Database
[{"_id":1,"name":"Andrew","role":"ATT","Sesons":[{"year":"2018-2019","age":20,"goals":10},{"year":"2019-2020","age":21,"goals":101}]},{"_id":2,"name":"Paul","role":"DF","Sesons":[{year:"2018-2019",age:15,goals:102},{year:"2019-2020",age:16,goals:1}]}]
Query
db.collection.aggregate([{$match:{"_id":2}},{$project:{_id:1,name:1,role:1,Sesons:{$filter:{input:"$Sesons",cond:{$eq:["$$this.year","2019-2020"]}}}}}])