<prompt> Pedzisa mutsara unotevera: Muna 2017, Mastromatteo aive chikamu chechikwata chendarama chakahwina menduru yegoridhe mu4x100 yakavhenganiswa medley pa2017 World Junior Swimming Championships. Muna 2019, Mastromatteo akahwina menduru nhatu ku  <response>: 2019 World Junior Swimming Championships muBudapest, kusanganisira menduru yesirivheri yega yega mumamita makumi mashanu. 