Flawless Roger Federer and Novak Djokovic stamped their mark on the Australian Open on Tuesday with focused former champion Maria Sharapova also successfully negotiating the first round after her drug ban.
It took Federer only 27 minutes to win the opening set and he was quickly a break up in the second, his tactic of rushing Bedene's serve proving fruitful.
Any player hoping to stop him retaining his title and claiming a 20th grand slam will have to be pretty special on this evidence.
Federer will be back in action on Thursday when he takes on Germany's Jan-Lennard Struff.
Federer, who insists he is too old at 36 to be rated the tournament favorite, put away the 51st-ranked Slovenian with a catalogue of his signature shot-making.
"It's been a long period without any official matches but I spent as much quality time as I could with my family".
"Well, I saw that some of you have written a story that has been a little bit exaggerated".
The second seeded Swiss, who is coming off an extraordinary 2017, when he won a fifth Australian Open title and a record eighth at Wimbledon, was in total control. "I hope to improve in this aspect". Federer replied, before being grilled on whether he is a witch or a vampire, and if he's ever tasted wombat meat.
"Even though we're not feeling good, we can still find a way and eventually play good again, whereas others would struggle early on and it becomes more hard". I can't control it all, it was a fairy tale.
"We don't know where he is physically".
"The question is, is our game good enough? (I'm) happy to get through".
"It felt great to be back on the court and compete again", the six-times Australian Open champion said afterwards.
The way things are shaping there could be yet more glory for him, with his main threats on the comeback trail.
"It was great to be back", Wawrinka said afterwards.
"You always need two to tango and with Rafa previous year it was epic", he said. Obviously, you don't know how you're going to start off.
The 15-year-old qualifier from Ukraine beat the 2014 United States open semi-finalist who, at 32, is more than twice her age, 6-2, 6-2. I can't control it all.
All four singles finalists were 30 or older here previous year in what became a tournament for the ages, and three of them are back.
Tomic angered a wide cross-section of people inside and outside tennis at Wimbledon previous year when he declared he was bored with tennis and looked forward to retirement after earning enough to never have to work again.