2021 CITI OPEN RESULTS – FRIDAY, AUGUST 6, 2021 Singles Quarterfinals [5] J. Sinner (ITA) d. S. Johnson (USA), 6-4, 6-2 [WC] J. Brooksby (USA) d. [11] J. Millman (AUS), 6-1, 6-2K. Nishikori (JPN) d. [14] L. Harris (RSA), 6-3, 7-5M. McDonald (USA) d. D. Kudla (USA), 6-3, 6-2 Doubles Quarterfinals M. Daniell (NZL) / M. Melo (BRA) d. A. de Minaur (AUS) / J. … [Read more...] about Sinner, Brooksby, Nishikori and McDonald Reach Semifinals of Citi Open