Tomas Martin Etcheverry will advance past Vit Kopriva at the US Open on August 30, 2026, on the hard courts of the USTA Billie Jean King National Tennis Center in New York City. Etcheverry already beat Kopriva once at the Rio Open on February 22, 2026, winning 4-6, 7-6(2), 7-6(4) in 3 hours and 58…