PRAGUE, CZECH REPUBLIC - SEPTEMBER 18: (L) Learner Tien of the United States of America and (R) Jakub Mensik of Czech Republic pose for a picture before their singles match during the 2026 Davis Cup Qualifier second round match between Czechia and USA at the O2 Arena on September 18, 2026 in Prague, Czech Republic. (Photo by Adam Nurkiewicz/Getty Images for World Tennis)