Advantage Dimitrov, as the Bulgarian finally finds his first serve.

And an ace! That's a decent hold for the second seed.

It's a bit... up and down for Grigor Dimitrov at the minute.

He gets himself to 40-30 after trailing 0-30, but gives a forehand too much meat and sails it over the baseline.

Deuce.

Image source, Reuters

After a couple of bad misses, and trailing 40-0, Grigor Dimitrov approaches the net and whips over a forehand that Djokovic shanks into the crowd.

His backhand isn't clicking, though, and he nets once again to hand Djokovic a hold.

That first serve is letting Grigor Dimitrov down.

He'll have a little time to reflect - it'll be Novak Djokovic to serve first in this second set.

Of all the times to double fault...

Grigor Dimitrov tightens up, and Novak Djokovic will take the first set.

Ooft, another miss for Djokovic!

He spins to send a backhand winner past Dimitrov and gets his feet all wrong, sending the ball long.

There's yelling from everyone as Novak Djokovic spears a backhand over the baseline.

One set point saved, but Djokovic has two more attempts...

A shake of the head from Dimitrov as he double faults first up.

A couple of bad forehands from the Bulgarian, though, and Djokovic passes him to rack up three set points...

Dimitrov makes a ridiculous cross-court return to keep himself in a rally, but Djokovic shuts him down with a fine backhand volley that drops just in front of his advancing opponent.

Another hold for Djokovic.

For the third time in the match, Novak Djokovic takes a tumble.

I don't know if the grass is a touch slippy or if he's just not found his footing, but he takes a horrible looking fall as he slides to his left. He's okay, though, sending a quick thumbs up towards Dimitrov.

The Bulgarian holds with a gorgeous whipped forehand that flies down the line.

Grigor Dimitrov is having a bit of trouble trying to return Novak Djokovic's serves out wide.

He slaps successive balls long before Djokovic blazes a return of his own into the net for 40-30.

Never mind - a smart dash forward and forehand winner ensures the former world number one keeps his nose in front.

A long rally, and this time it's Dimitrov who blinks first as his forehand finds the net.

30-0 becomes 30-30, but Djokovic slaps a lazy forehand long, and Dimitrov ends any hope of deuce with another ace.

Meanwhile, over in Halle, Roger Federer has battled into the quarter-finals. He's beaten Benoit Paire 6-3 3-6 7-6 (9-7).

Fed - who has to win the title in Halle to keep his number one ranking - saved two match points to register his 18th consecutive win on the grass.

Blink and you'll miss it from Djokovic at the minute.

He holds to love once again, as a sliding Dimitrov slices a backhand into the net.

Image source, PA

A crunching serve from Grigor Dimitrov and Novak Djokovic loses sight of the ball, eventually having to duck to avoid the ball.

Djokovic gets on the board as he swirls a backhand out, but Dimitrov clatters an ace through the Serb to close the game out.

Strong serving from Novak Djokovic first up.

He goes down the T with his serves, and registers a steady hold to love.

* denotes next server

Here's the moment Nick Kyrgios overcame Britain's Kyle Edmund in a thoroughly entertaining three-setter earlier today.

A couple of wayward forehands from Grigor Dimitrov means he trails 0-30, before he curves a stunning ace past an outstretched Novak Djokovic.

Down the line he goes with the forehand winner, telling himself to "come on" between every point, before a long Djokovic return ensures he holds.

A lengthy rally goes Grigor Dimitrov's way, but that's the only mis-step for the Serb on serve.

He holds to 15 first up.