<prompt> Pedzisa mutsara unotevera: Muna 2017, Mastromatteo akanga ari chikamu chechikwata chendarama chakakunda 4x100 yakavhenganiswa yakavhenganiswa pa  <response>: 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. 