Pedzisa mutsara unotevera: Muna 2017, Mastromatteo akanga ari chikamu chechikwata chendarama chakakunda 4x100 yakavhenganiswa yakavhenganiswa pa
2017 World Junior Swimming Championships. Muna 2019, Mastromatteo akahwina menduru nhatu pa2019 World Junior Swimming Championships muBudapest, kusanganisira menduru yesirivheri yega yega mumamita makumi mashanu.