Overview
- Matteo Berrettini defeated Dusan Lajovic 3-6, 6-4, 6-2 to advance to the last eight in Rio.
- Ignacio Buse awaits in the quarterfinals in what will be their first career meeting.
- Buse upset home favorite Joao Fonseca 5-7, 6-3, 6-4 to become the first Peruvian to reach an ATP 500 quarterfinal.
- Rain delays forced the match off the Guga Kuerten center court to Quadra 1, with play lasting about 2 hours 11 minutes.
- Berrettini struck 28 winners and won roughly 79% of his first-serve points, marking his 14th clay-court quarterfinal and a second at this event.