The start time in Doha for the men is 10:30 a.m. (2:30 a.m. EST, 11:30 p.m. Sunday night on the west coast).

Steven Diez was the only one of the three Canadians in the draw to see action, and he gets through

Qualifying, first round
Final results

Canadian content

Steven Diez (CAN) def Alexey Vatutin (RUS) 63 46 64

Upsets

Zhizhen Zhang (CHN) def [9] Evgeny Donskoy (RUS) 75 63
Ramkumar Ramanathan (IND) def [10] Facundo Bagnis (ARG) 76 (6) 75
Bolic Van de Zandschulp (NED) def [13] Lorenzo Musetti (ITA) 36 61 64
Viktor Troicki (SRB) def [23] Jurij Rodionov (AUT) 26 62 61
Sergiy Stakhovsky (UKR) def [28] Bernabe Zapata Miralles (ESP) 76 (4) 64
Fernando Meligeni Rodrigues Alves (BRA) def [30] Martin Klizan (SVK) 61 64

Seeds advancing

[5] Taro Daniel (JPN) def Roberto Cid Subervi (DOM) 46 62 61
[8] Antoine Hoang (FRA) def Tommy Robredo (ESP) 61 75
[11] Cedrik-Marcel Stebe (GER) def Thomas Fabbiano (ITA) 61 46 76 (10-3]
[15] Henri Laaksonen (SUI) def Tobias Kamke (GER) 75 63
[19] Facundo Cerundolo (ARG) def. Guillermo Garcia-Lopez (ESP) 62 64
[21] Carlos Alcaraz (ESP) def. Filip Horansky (SVK) 57 61 64
[22] Carlos Taberner (ESP) def. Roberto Marcora (ITA) 62 75
[27] Marc-Andrea Huesler (SUI) def. [WC] Akira Santillan (AUS) 63 36 63
[29] Lorenzo Giustino (ITA) def. Denis Istomin (UZB) 61 61
[31] Mohamed Safwat (EGY) def Arthur De Greef (BEL) 62 64

Other results (in alphabetical order)

Ulises Blanch (USA) def Andrey Kuznetsov (RUS) 64 61
Dustin Brown (GER) def Hiroki Moriya (JPN) 62 26 61
Kimmer Coppejans (BEL) def. Illya Marchenko (UKR) 76 (2) 63
Borna Gojo (CRO) def Sebastian Ofner (AUT) 63 62
[WC] Rinky Hijikata (AUS) def Christopher Eubanks (USA) 62 63
Evgeny Karlovskiy (RUS) def Facundo Mena (ARG) 36 63 62
[WC] Jason Kubler (AUS) def [WC] Matthew Ebden (AUS) 75 26 64
Tomas Machac (CZE) def Joao Domingues (POR) 63 61
Maximilan Marterer (GER) def Marco Trungelliti (ARG) 46 64 64
Joao Menezes (BRA) def Andrea Collarini (ARG) 16 76 (8) 63
Arthur Rinderknech (FRA) def Daniel Masur (GER) 76 (3) 63
Mikael Torpegaard (DEN) def Mats Moraing (GER) 61 60
Mario Vilella Martinez (ESP) def Alessandro Giannessi (ITA) 61 63
Tung-Lin Wu (CHN) def Jay Clarke (GBR) 62 64
Elias Ymer (SWE) def Jake Mott (AUS) 64 63