Image source, Rex Features

Doncaster have had most of the ball in the early stages of the first half, with Herbie Kane the latest to try and get them off the mark.

The Liverpool loanee midfielder tries a speculative shot from long range which bounces the wrong side of the left-hand post.

Another Doncaster corner and could Charlton be on the ropes this time as the hosts apply some pressure?

The visitors struggle to get the ball away as John Marquis finds some space in a crowded Charlton box before burying his shot into the side netting.

Better stuff, this.

Doncaster win an early corner and this could be their ticket to work their way back into this game.

However, Charlton defender Naby Sarr gets onto it and heads it away from danger.

Doncaster have made a change as they get the second half under way and it's a surprising one.

James Coppinger is brought off in favour of Tommy Rowe. Will he be able to turn this tie around ahead of the second leg?

Once this match is done and dusted, we'll have reached the midway point of the English Football League play-off semi-finals.

Every tie remains evenly poised, with four of the previous five semi-final first legs being decided by only one goal and the other ending in a draw.

So who'll actually end up making it through to Wembley? Last week, Gracenote's head of sports analysis Simon Gleave crunched the numbers - and you can click here to see what he came up with.

Chris Maguire's stunning volley handed Sunderland the initiative after the first leg of their League One play-off semi-final against Portsmouth.

The second-half substitute fired home Pompey defender Matt Clarke's attempted clearing header first time from 15 yards within four minutes after coming on to give the Black Cats a precious lead.

Sunderland then had to dig in to defend their advantage as defender Alim Ozturk was shown a straight red card for bringing down Gareth Evans.

Evans hit the bar with the resulting free-kick as Pompey went in search of an equaliser.

Image source, Rex Features

If you want to find out who's playing when in the English Football League play-offs this handy little guide should help.

There'll be live text coverage of every tie on the BBC Sport website and app.

Image source, Reuters

And the first half comes to an end. Lyle Taylor has had a hand in both Charlton goals and put them in control of this tie.

Doncaster have it all to do when we return in around 15 minutes' time.

Two minutes added on to this first half and it can't come soon enough for Grant McCann's Doncaster side.

We've seen glimpses in this opening 45 minutes that they can threaten that Charlton defence but they could do with making more of an impact with the ball.

Maybe Doncaster aren't quite sitting back just yet after all. Ben Whiteman hooks a volley from long range which almost dips into the net.

However, it ends up flying wide of the left-hand post.

Doncaster are on the ropes here and Lyle Taylor is bossing this game for Charlton. The hosts are really struggling to deal with him.

Albie Morgan latches on to a ball from Taylor and unleashes a thunderous shot which forces Doncaster keeper Marko Marosi into an incredible fingertip save.

That quick fire pair of Charlton goals must feel like a sucker punch to the Doncaster players and supporters.

The hosts looked to be edging the early stages of this tie prior to Lyle Taylor and Joe Aribo both finding the net.

But what have Grant McCann's side got in response?

Charlton defender Patrick Bauer goes into the book for a robust challenge on John Marquis and Doncaster win a free-kick.

Danny Andrew tries his luck from long range and hits the top right corner of the bar with a stunning effort.

Image source, Rex Features

James Coppinger is having a cracking game for Doncaster and almost puts them into the lead in some style!

The midfielder picks up the ball about 30 yards out, turns and unleashes a dipping shot that forces Charlton keeper Dillon Phillips into a diving save at the bottom right corner.

First big chance of the game and it goes to Charlton!

Ben Purrington finds acres of space on the left flank and puts in a lovely ball straight to the head of an unmarked Josh Parker in the box, but he nods just wide of the mark.

Had that been a few inches to the right, that would have gone in.

Some good Charlton pressure in the far corner sees them win a throw-in deep into Doncaster's half.

Lee Bowyer's side pass the ball around well and eventually find Lyle Taylor in some space in the Doncaster box but his turn and shot is well blocked.

Doncaster win a corner as Charlton are forced to hastily deal with a long ball into the box.

The corner sails into the area but Paul Downing is adjudged to have fouled Lyle Taylor as he tries to work on to it.

Better stuff from the hosts in what is panning out to be quite an even start.

Image source, PA

Big chance for James Coppinger. Could history repeat itself as the veteran Doncaster man aims to repeat his hat-trick heroics in the play-off semis?

The midfielder unleashes a low effort from outside the box at an acute angle, but it sails wide of Charlton keeper Dillon Phillips' right-hand post.