Joao Fonseca won his first ATP title in Buenos Aires yesterday, confirming all the improvements that had been seen in recent months. Since December last year, the Brazilian ace has made a leap in quality from all points of view which is reflected in the results.

Brazilian tennis fans who were watching qualifying at the Rio Open had been keeping up with Fonseca’s final. When he won, their celebrations interrupted a qualifying match involving Cerundolo’s brother, Juan Manuel.

Teenager Joao Fonseca underlines why he is one of tennis' most promising stars by beating Francisco Cerundolo to claim his first ATP Tour title.

Brazilian 18-year-old Joao Fonseca defeated Argentine fifth seed Francisco Cerundolo 6-4, 7-6 (1) to win his first ATP Tour title at the IEB+ Argentina Open on Sunday in Buenos Aires.

Joao Fonseca made history at the Buenos Aires Open as he became the youngest South American to win an ATP Tour title singles title. Aged 18 years, five months and 26 days, Fonseca defeated home favourite Francisco Cerundolo 6-4,