It's fist pump central at the Kyle Edmund end, as he watches another Kevin Anderson return clatter the net.

Anderson sends a meaty first serve into the tramlines, but Edmund finds the net off his second.

Another big serve from Anderson as he moves into a 3-2 lead.

Kyle Edmund to serve. His first attempt is long, his second hammered back with interest from Anderson, but Edmund dances around it to muster a winner and level at 3-3.

"Come on" is the call from Kyle Edmund as Kevin Anderson goes long. The Brit takes a 2-1 lead in the tie break in this first set.

Anderson takes a moment to compose himself before his serve. It's speedy, low and Edmund can't pull it back over the net. 2-2.

Big first serve from Kevin Anderson to go 1-0 up, but Kyle Edmund responds to level up.

Postage stamp precision from Kyle Edmund. A third ace, 123mph and just inside the T.

Edmund follows up with a wonderful forehand to hold. Ice cold under pressure so far.

That'll be a tie break.

Image source, Getty Images

Kevin Anderson slices his return to a Kyle Edmund second serve long, but then engages the British number two in a rally and strikes a superb backhand winner down the line with Edmund wrongfooted.

That's a thumping serve wide to the South African's right to put Edmund 30-15 up, but Anderson pulls back to 30-30.

Piers Newbery
BBC Sport at Melbourne Park

Image source, BBC Sport

The canopies around court three are acting more as windbreaks than sun protection so far - it’s a blustery Melbourne morning, but that has not stopped serve dominating this one as expected. Anderson is starting to find his groove but Edmund is certainly edging it in terms of support.

Image source, Getty Images

That's a fine serve and volley example from Kevin Anderson, executed superbly.

He eases into a 40-0 lead and then wraps up the game with a neat backhand down the line.

Mark Woodforde
12-time Grand Slam doubles champion on BBC Radio 5 live sports extra at Melbourne Park

After a well contested first few games, both men are serving well and holding with ease. This is a tough first-round match.

That doesn't rattle Edmund, he moves 40-0 up.

Kevin Anderson reminds Edmund he's in a match though, digging out a superb forehand from wide to pull it back to 40-30 and then making the 23-year-old work for game point.

Edmund scuttles and hurries around court, latching on to an Anderson shot that pings off the top of the net to hold serve.

Kyle Edmund is serving to stay in the first set.

He whistles down a first serve that Kevin Anderson can only tee up around half court, and Edmund polishes it off with aplomb.

The British number two moves into a 30-0 lead, but then has to replay the point after an out call is wrongly overturned.

All straightforward so far for Sloane Stephens and Jelena Ostapenko.

Stephens has taken the first set 6-2 against China's Zhang Shuai while Ostapenko leads Francesca Schiavone, 37, 6-1 0-1 on Rod Laver Arena.

Italian Schiavone is struggling with a back injury but is battling on for now.

Kyle Edmund just blocks a Kevin Anderson serve like he's playing bat and ball on the beach.

It's called out, but Edmund's challenge is successful.

No messing around from Anderson thereafter. Ace, 30-0. Net return, 40-0. Serve and volley. Game.

That's just what you need after a brief scare - a second ace of the match from Kyle Edmund.

Kevin Anderson manages to knock the next one back, but Edmund latches on to it in ferocious style to hold.

Cracking stuff. Superb rally as Kyle Edmund gives Kevin Anderson the run around, darting from one side of the court to the other.

The South African looks to seize the opportunity to bring his shuttles to an end, but fires a backhand into the tramlines.

Anderson pulls back two quick points though and he has a break point chance.

There's a lot of frame on that return from Edmund, did it catch the line? Hawk Eyes says 'yes'. Edmund recovers to deuce.

Kyle: Decent start from Kyle Edmund - hope he puts on a show and makes nightshift fly by.

Who else is with us for the nightshift (at least those of us in the UK)? Tell us where you are, and let us know your thoughts on this match and the Aussie Open generally. Tweet #bbctennis or text 81111.

Image source, Getty Images

New balls for Kyle Edmund, to go with that bold new outfit.

The 23-year-old's service game is looking just as bright as he goes 30-0 up, before Kevin Anderson scrambles a return and then hammers down a winner.

Edmund catches the net and suddenly it's 30-30.

That first serve of Kevin Anderson is looking dangerous - he's up five aces to Kyle Edmund's one.

Kyle Edmund has to try and wrap himself around a Kevin Anderson serve that bounces up high to his left, but his return drops long.

Anderson storms into a 40-0 lead, and then sends down a sizzler of an ace to hold.

Grand Slam champions Sloane Stephens and Jelena Ostapenko are in control of their first-round matches.

US Open champion Stephens leads Zhang Shuai 4-2 on Margaret Court Arena while Latvian Ostapenko is 5-1 up on Italy's Francesca Schiavone on Rod Laver.

Magdalena Rybarikova, the Slovakian who reached the Wimbledon semi-finals last year, isn't hanging around - she bageled American Taylor Townsend 6-0 in just 18 minutes on court two.