Hello and welcome to this fourth round clash between world number one Novak Djokovic and Spain's Roberto Bautista Agut.

Djokovic 6-3 4-6 6-4 6-3 Bautista Agut. Game, set and match. Bautista Agut takes a 30-0 lead on serve, leaving Djokovic shaking his head at a forehand return long. But the Spaniard cannot hold on and the world number one battles his way back into the game, eventually sealing victory after three hours and three minutes when Bautista Agut puts a forehand long.

Djokovic 6-3 4-6 6-4 5-3 Bautista Agut. Djokovic leaves himself potentially just one game away from a quarter-final clash with another Spaniard - Feliciano Lopez - after holding to go 5-3 up. Bautista Agut will have to serve to stay in this match now.

Djokovic 6-3 4-6 6-4 4-3 Bautista Agut. Djokovic pushes on to try and get himself a double break in this fourth set, knowing his opponent's battling qualities and clearly not being sure he has done enough yet to have beaten him. But the Spaniard holds to remain just the one break down.

Djokovic 6-3 4-6 6-4 4-2 Bautista Agut. Djokovic holds to consolidate his break once more, glaring up at his camp once more in determined triumph after sealing the game, Clearly the world number one has decided enough is enough as he looks to put this match to bed and book his place in the quarter-finals.

Djokovic 6-3 4-6 6-4 3-2 Buatista Agut. Break. Djokovic bounces back immediately with a break to re-establish his advantage in this fourth set. There's a glare towards his camp and a scream from Djokovic as he pops a cheeky backhand over the net for a winner.

Djokovic 6-3 4-6 6-4 2-2 Bautista Agut. Break. There's looks of concern in the Djokovic camp as their man sees his serve broken yet again by Bautista Agut. The Spaniard makes Djokovic pay for some sloppy groundstrokes and he's right bac in this match once again.

Djokovic 6-3 4-6 6-4 2-1 Bautista Agut. The Spaniard stops Djokovic's run of games with a hold and keeps his deficit in this fourth set down to just the one break. Djokovic would surely feel more comfortable with the double break based on Bautista Agut's performance today.

Djokovic 6-3 4-6 6-4 2-0 Bautista Agut. A rasping forehand winner from Djokovic helps him on his way to a hold to 15 in his first service game of this set as he consolidates his early break.

Djokovic 6-3 4-6 6-4 1-0 Bautista Agut. Break. Ouch. Four unforced errors in quick succession cost Bautista Agut the opening game of the fourth set. He has put up a great challenge to the world number one so far this evening, it would be a shame if it fizzles out badly in this fourth set.

Djokovic 6-3 4-6 6-4 Bautista Agut. Set. Unforced errors really cost Bautista Agut in this game as Djokovic takes a two sets to one lead with a hold to 15. The Spaniard's only point in the game comes courtesy of another booming forehand but that's all he can manage and Djokovic has the lead once more. Can he shut out the Spaniard in four sets?

Djokovic 6-3 4-6 5-4 Bautista Agut. Not an easy game for the Spaniard but he manages to just secure the hold, from deuce, to force Djokovic to serve out this third set. A forehand winner combined with a couple of errors from the Serb helps Bautista Agut to secure the game but has his chance of causing an upset gone now? Djokovic will serve for the third set next.

Djokovic 6-3 4-6 5-3 Bautista Agut. A love service game from Djokovic, his easiest service game in some time, leaves Bautista Agut having to serve to stay in this third set.

Djokovic 6-3 4-6 4-3 Bautista Agut. The backhand continues to be a problem for Djokovic as he follows a winner off that wing with an unforced error, Bautista taking advantage to post a straightforward service hold to remain just the one break adrift.

Djokovic 6-3 4-6 4-2 Bautista Agut. Djokovic marches through a service hold to 15 to consolidate the break in this third set. The Serb is potentially just two games away from taking the lead again with a two sets to one lead.

Djokovic 6-3 4-6 3-2 Bautista Agut. Break. Finally. Djokovic gets the break through with a much better game. The Serb world number one manages to move Bautista Agut around the court on almost every point and patiently waits for the errors to come from the Spaniard, which they do. A forehand error from Bautisa Agut ends the game in Djokovic's favour, who shows no emotion as he secures the break - just marching back to his chair for the change of ends.

Djokovic 6-3 4-6 2-2 Bautista Agut. Djokovic continues to have to work hard for his service games as Bautista Agut pushes him to 30-30 before the Serb can dig out a running forehand winner to hold and level up once more.

Djokovic 6-3 4-6 1-2 Bautista Agut. The Spaniard refuses to panic when he goes 0-30 down on serve, instead calmly going about his recovery before going on to hold. and sneak in front once more, with a trip into the net and a forehand volley winner.

Djokovic 6-3 1-1 Bautista Agut. Back to back forehand winners, both whistling past Djokovic in impressive style, help the Spaniard to a 0-30 lead against the Serb's serve. Djokovic finally steadies the ship with a hold to stop Bautista Agut's run of games, A double fault costs the Serb on his first game point, while he also squanders another two wiith unforced errors. But eventually Djokovic does hold, after drawing a backhand error from his opponent.

Djokovic 6-3 4-6 0-1 Bautista Agut. The Spaniard eases through a service hold to 15 to open the third set in quick fashion. Bautista Agut is really looking comfortable now out on Arthur Ashe and has taken the last four straight games.

Djokovic 6-3 4-6 Bautista Agut. Set. Bautista is making things very tough for Djokovic now as he breaks for just the second time to wrap up the second set in 50 minutes. An unreturnable serve from Djokovic appears to get him out of trouble as he levels up at 30-all but a backhand error once again proves to be his undoing, handing Bautista Agut a first set point. The Spaniard only needs the one, Djokovic making the error on the forehand side this time.