41. [1] Rafael Nadal (ESP) vs. [13] Diego Schwartzman (ARG) Nadal, 2, 16
42. Borna Coric (CRO) vs. [5] Dominic Thiem (AUT) Coric, 2, 18
43. [4] Juan Martin Del Potro (ARG) vs. [Q] Dusan Lajovic (SRB) Delpo, 2, 20
44. Philipp Kohlschreiber (GER) vs. [6] Kevin Anderson (RSA) Kohlschreiber, 3, 36
45. [8] David Goffin (BEL) vs. Kyle Edmund (GBR) Goffin, 3, 30
46. Denis Shapovalov (CAN) vs. Milos Raonic (CAN) Raonic, 2, 22
47. [7] John Isner (USA) vs. Pablo Cuevas (URU) Isner, 2, 26
48. Leonardo Mayer (ARG) vs. [2] Alexander Zverev (GER) Zverev, 2, 20