Jasmine Paolini underlined her Australian Open title credentials with an almost flawless march into the second round.
Roared on by Brazilian fans decked out in yellow, Joao Fonseca appeared totally unfazed as he set up a second-round meeting with Italy's Lorenzo Sonego.
The victory capped a stunning year for Paolini who finished as runner-up at Roland Garros and Wimbledon.
Jasmine Paolini said she was "scared to dream too much" after the bitter disappointment of losing the Wimbledon final to Barbora Krejcikova -- weeks after she lost the title match at the French Open.
Barbora Krejcikova beat Jasmine Paolini in three sets to win the 2024 Wimbledon women's title on Saturday.
Wimbledon 2024 Women's Singles Final Highlights: Barbora Krejcikova won her first Wimbledon crown, and her second Grand Slam title overall.