Overview
- Thiago Agustin Tirante knocked out top seed Ben Shelton on Friday, winning 7-6 (5), 6-3, 6-4 without dropping serve in 16 games for his second career win over a top-10 player.
- Roman Andres Burruchaga beat No. 3 Learner Tien 7-5, 6-4 to reach his first ATP semifinal, following a top-40 victory over Brandon Nakashima the previous day.
- Frances Tiafoe saved a match point to edge Alexei Popyrin 3-6, 6-4, 7-6 (6), moving into the final four at an event where he owns one title and two runner-up finishes.
- Tommy Paul advanced earlier with a 6-4, 6-2 win over Rio champion Tomas Martin Etcheverry, giving him extra recovery time before facing Tiafoe.
- Saturday features Tirante vs. Burruchaga in their first ATP meeting as longtime friends and Tiafoe vs. Paul at River Oaks, a week that also delivered a rare three-Argentine quarterfinal showing at this tournament for the first time in 45 years.