 Nyora kuenderera mberi kweiyi ndima - Musi wa16 Gunyana 2015, Guilherme akadaidzwa kuBrazil pasi pe-17 yeiyo gore reFIFA U-17 World Cup. Akaratidza kuti ari pasi pemakore makumi maviri gore rakatevera, achinziwo apedze kudzidziswa panguva yeMitambo yeOlympic yeZhizha. 