Melbourne - Austrian fifth seed Dominic Thiem had a trouble-free straight sets win over Argentina's Guido Pella to open his Australian Open campaign on Tuesday.
Thiem, whose build-up to the year's opening Grand Slam was disrupted by a lingering virus, downed the 56th-ranked Pella 6-4, 6-4, 6-4 in 2 hours and 16 minutes in a night match on Show Court Two.
Thiem, who reached the semi-finals at Roland Garros in 2016, will play American qualifier Denis Kudla in the second round.
Collated results from the Australian Open on Tuesday:
Men's singles
1st round
Jiri Vesely (CZE) bt Vaclav Safranek (CZE) 6-4, 6-3, 6-3
Adrian Mannarino (FRA x26) bt Matteo Berrettini (ITA) 6-4, 6-4, 6-4
Fernando Verdasco (ESP) bt Roberto Bautista (ESP x20) 6-1, 7-5, 7-5
Maximilian Marterer (GER) bt Cedrik-Marcel Stebe (GER) 6-0, 6-3, 6-4
Julien Benneteau (FRA) bt Taro Daniel (JPN) 6-7 (6/8), 7-6 (7/0), 6-4, 6-1
Sam Querrey (USA x13) bt Feliciano Lopez (ESP) 6-3, 6-4, 6-2
Marton Fucsovics (HUN) bt Radu Albot (MDA) 6-2, 6-3, 4-6, 7-5
Nicolas Kicker (ARG) bt Jordan Thompson (AUS) 6-3, 6-1, 4-6, 3-6, 6-3
Lukas Lacko (SVK) bt Milos Raonic (CAN x22) 6-7 (5/7), 7-5, 6-4, 7-6 (7/5)
Stan Wawrinka (SUI x9) bt Ricardas Berankis (LTU) 6-3, 6-4, 2-6, 7-6 (7/2)
Albert Ramos (ESP x21) bt Jared Donaldson (USA) 6-2, 6-3, 6-4
Peter Gojowczyk (GER) bt Mikhail Kukushkin (KAZ) 6-3, 6-3, 6-1
Alexander Zverev (GER x4) bt Thomas Fabbiano (ITA) 6-1, 7-6 (7/5), 7-5
David Goffin (BEL x7) bt Matthias Bachinger (GER) 6-7 (3/7), 6-3, 6-2, 6-4
Evgeny Donskoy (RUS) bt Florian Mayer (GER) 6-4, 6-4, 6-4
Lorenzo Sonego (ITA) bt Robin Haase (NED) 6-3, 7-5, 6-7 (6/8), 7-5
Novak Djokovic (SRB x14) bt Donald Young (USA) 6-1, 6-2, 6-4
Jan-Lennard Struff (GER) bt Kwon Soon-woo (KOR) 6-1, 6-2, 6-4
Denis Kudla (USA) bt Steve Johnson (USA) 6-7 (5/7), 6-3, 7-6 (7/3), 6-2
Tennys Sandgren (USA) bt Jeremy Chardy (FRA) 6-4, 7-6 (7/2), 6-2
Fabio Fognini (ITA x25) bt Horacio Zeballos (ARG) 6-4, 6-4, 7-5
Gael Monfils (FRA) bt Jaume Munar (ESP) 6-3, 7-6 (7/5), 6-4
Tim Smyczek (USA) bt Alexei Popyrin (AUS) 6-3, 6-7 (14/16), 6-3, 6-3
Chung Hyeon (KOR) bt Mischa Zverev (GER x32) 6-2, 4-1 ret
Richard Gasquet (FRA x29) bt Blaz Kavcic (SLO) 6-1, 6-4, 7-5
Daniil Medvedev (RUS) bt Thanasi Kokkinakis (AUS) 6-2, 6-7 (6/8), 7-6 (10/8), 6-4
Guillermo Garcia-Lopez (ESP) bt Benoit Paire (FRA) 6-0, 6-7 (4/7), 6-1, 6-4
Karen Khachanov (RUS) bt Peter Polansky (CAN) 7-6 (7/3), 7-6 (7/2), 6-4
Roger Federer (SUI x2) bt Aljaz Bedene (GBR) 6-3, 6-4, 6-3
Tomas Berdych (CZE x19) bt Alex de Minaur (AUS) 6-3, 3-6, 6-0, 6-1
Dominic Thiem (AUT x5) bt Guido Pella (ARG) 6-4, 6-4, 6-4
Juan Martin Del Potro (ARGx12) bt Frances Tiafoe (USA) 6-3, 6-4, 6-3
Women's singles
1st round
Johanna Konta (GBR x9) bt Madison Brengle (USA) 6-3, 6-1
Bernarda Pera (USA) bt Anna Blinkova (RUS) 6-2, 6-2
Barbora Zahlavova Strycova (CZE x20) bt Kristie Ahn (USA) 6-1, 7-5
Lara Arruabarrena (ESP) bt Richel Hogenkamp (NED) 6-1, 6-2
Lucie Safarova (CZE x29) bt Ajla Tomljanovic (CRO) 7-5, 6-3
Karolina Pliskova (CZE x6) bt Veronica Cepede (PAR) 6-3, 6-4
Angelique Kerber (GER x21) bt Anna-Lena Friedsam (GER) 6-0, 6-4
Marketa Vondrousova (CZE) bt Kurumi Nara (JPN) 7-5, 6-4
Caroline Garcia (FRA x8) bt Carina Witthoeft (GER) 7-5, 6-3
Elena Vesnina (RUS x16) bt Ons Jabeur (TUN) 6-3, 6-4
Maria Sharapova (RUS) bt Tatjana Malek (GER) 6-1, 6-4
Aliaksandra Sasnovich (BLR) bt Christina McHale (USA) 6-3, 6-2
Eugenie Bouchard (CAN) bt Oceane Dodin (FRA) 6-3, 7-6 (7/5)
Sorana Cirstea (ROM) bt Zarina Diyas (KAZ) 5-7, 6-4, 6-3
Beatriz Haddad Maia (BRA) bt Lizette Cabrera (AUS) 7-6 (7/3), 6-4
Donna Vekic (CRO) bt Nao Hibino (JPN) 7-5, 6-3
Madison Keys (USA x17) bt Qiang Wang (CHN) 6-1, 7-5
Simona Halep (ROM x1) bt Destanee Aiava (AUS) 7-6 (7/5), 6-1
Ekaterina Alexandrova (RUS) bt Polona Hercog (SLO) 7-6 (7/2), 6-4
Mirjana Lucic-Baroni (CRO x28) bt Shelby Rogers (USA) 7-6 (8/6), 5-7, 6-2
Anastasija Sevastova (LAT x14) bt Varvara Lepchenko (USA) 3-6, 6-3, 6-2
Naomi Osaka (JPN) bt Kristina Kucova (SVK) 7-5, 6-2
Lesya Tsurenko (UKR) bt Natalia Vikhlyantseva (RUS) 3-6, 6-3, 6-4
Camila Giorgi (ITA) bt Anna Kalinskaya (RUS) 6-4, 6-3
Lauren Davis (USA) bt Jana Cepelova (SVK) 6-7 (4/7), 6-3, 6-1
Andrea Petkovic (GER) bt Petra Kvitova (CZE x27) 6-3, 4-6, 10-8
Hsieh Su-wei (TPE) bt Zhu Lin (CHN) 0-6, 6-0, 8-6
Ana Bogdan (ROM) bt Kristina Mladenovic (FRA x11) 6-3, 6-2
Garbine Muguruza (ESP x3) bt Jessika Ponchet (FRA) 6-4, 6-3
Agnieszka Radwanska (POL x26) bt Kristyna Pliskova (CZE) 2-6, 6-3, 6-2
Yulia Putintseva (KAZ) bt Heather Watson (GBR) 7-5, 7-6 (8/6)
Ashleigh Barty (AUS x18) bt Aryna Sabalenka (BLR) 6-7 (2/7), 6-4, 6-4