Top-seeded defending champion Alex de Minaur was eliminated by Brandon Nakashima while women’s top seed Jessica Pegula advanced to the semi-finals of the ATP and WTA Washington Open on Friday. Nakashima ousts defending champion de Minaur to reach Washington semis De Minaur, the world number six from Australia, fell to American Nakashima 7-6 , 6-4 in a rematch of last year’s Washington quarter-final. World number 33 Nakashima booked a Saturday semi-final against the winner of a later all-American match between 10th-ranked Taylor Fritz and world number 40 Alex Michelsen. World number three Pegula, an American who won her first career WTA title at Washington in 2019. eliminated 20th-ranked Anna Kalinskaya 6-3, 7-5, to reach her sixth WTA semi-final of the year. “Since the beginning of the year I’m finding more confidence in matches hitting different spots,” Pegula said. “I was focusing on that a lot today.” Pegula, who fired 24 winners against 17 unforced errors with six aces, will face the winner of a later match between Russians Diana Shnaider and Liudmila Samsonova on Saturday …