Steven Diez and Peter Polansky defended the maple leaf in the second round, but fell short.

Qualifying, second round
Final results

COVID-19 walkovers

[WC] Dane Sweeny (AUS) def. [4] Denis Kudla (USA) WALKOVER
Mario Vilella Martinez (ESP) def. [19] Fernando Cerundolo (ARG) WALKOVER

Canadians

[15] Henri Laaksonen (SUI) def. Steven Diez (CAN) 36 64 62
Alexandre Mueller (FRA) def Peter Polansky (CAN) 60 61

Upsets

Arthur Rinderknech (FRA) def [8] Antoine Hoang (FRA) 76 (2) 64
Constant Lestienne (FRA) def [12] Prajnesh Gunneswaran (IND) 62 63
Frederico Ferreira Silva (BRA) def [18] Nikola Milojevic (SRB) 26 61 64
Dustin Brown (GER) def [22] Carlos Taberner (ESP) 63 75
Elias Ymer (SWE) def [27] Marc-Andrea Huesler (SUI) 16 63 62
Borna Gojo (CRO) def [29] Lorenzo Giustino (ITA) 63 76 (7)
Kimmer Coppejans (BEL) def [31] Mohamed Safwat (EGY) 63 64
Mathieu Bourgue (FRA) def [32] Blaz Rola (SLO) 62 67 (4) 63

*Carlos Alcaraz is looking for his first Australian Open main draw. (Tennis Australia Photo by Samer Alrejjal)*

Seeds advancing

[1] Grégoire Barrere (FRA) def. Maxime Janvier (FRA) 62 46 61
[2] Hugo Dellien (BOL) def. Andrew Harris (AUS) 64 76 (6)
[3] Aslan Karatsev (RUS) def. Max Purcell (AUS) 61 62
[5] Taro Daniel (JPN) def. Maximilian Marterer (GER) 63 64
[7] Damir Dzumhur (BIH) def. Julien Lenz (GER) 62 62
[11] Cedrik-Marcel Stebe (GER) def. [WC] Rinky Hijikata (JPN) 64 62
[21] Carlos Alcaraz (ESP) def. Evgeniy Karlovskiy (RUS) 76 (1) 76 (4)

*Evergreen Dustin Brown is looking good to advance to the final round. (Tennis Australia Photo by Samer Alrejjal)*

Other results (in alphabetical order)

Maxime Cressy (USA) def. Yannick Maden (GER) 26 63 64
Robin Haase (BED) def. Gianmarco Moroni (ITA) 64 75
Quentin Halys (FRA) def. Cem Ilkel (TUR) 26 76 (2) 61
Tomas Machac (CZE) def Felipe Meligeni Rodrigues Alves (BRA) 61 76 (4)
Michael Mmoh (USA) def Zhe Li (CHN) 26 64 76 [10-7]
Roman Safiullin (RUS) def. Mitchell Krueger (USA) 61 64
[WC] John-Patrick Smith (AUS) def Tallon Griekspoor (NED) 26 63 64
Sergiy Stakhovsky (UKR) def [WC] Jason Kubler (AUS) 76 (4) 64
Bernard Tomic (AUS) def. [WC] Tristan Schoolkate (AUS) 64 16 76 [10-3]
Mikael Torpegaard (DEN) def Zhizhen Zhang (CHN) 61 46 61
Viktor Troicki (SRB) def Ulises Blanch (USA) 75 63
Botic Van de Zandschulp (NED) def Joao Menezes (BRA) 63 67 (1) 64
Tung-Lin Wu (KOR) def Ramkumar Ramanathan (IND) 63 62