In Miami, Medvedev defeated Spaniard Roberto Carballes-Baena (6:1, 6:2), Slovakian Alex Molchan (withdrawal), Frenchman Kenten Alice (6:4, 6:2) and American Christopher Eubanks (6:3, 7:5 ).
Khachanov defeated Argentine Thomas Martin Etcheverry (6:1, 3:6, 6:3), Czech Jiri Legechka (6:2, 6:4), Greek Stefanos Tsitsipas (7:6, 6:4) and another representative of Argentina Francisco Cherundolo (6:3, 6:2). The victory over Tsitsipas is the first in Karen’s career.