Hello and welcome to LIVE coverage from the first of the women's quarter-finals between fourth seed Agnieszka Radwanska and 10th seeded Carla Suarez Navarro.

Radwanska 6-1 6-3 Suarez Navarro. Game. set and match. Radwanska is forced to save a couple of individual break back points, the latter of which she does when Suarez Navarro fires a wild backhand well wide across court. A forehand drive volley winner brings up the Pole's first match point and that is all it takes - a netted forehand from Suarez Navarro helping Radwanska seal her place in the Australian Open semi-finals and her return to the world's top three.

Radwanska 6-1 5-3 Suarez Navarro. Break. Another very tough service game for Suarez Navarro, who really has struggled to get anything going out on court today. An inside out forehand across court followed by a forehand volley winner across to the other side of court from Radwanska brings up another break point. Which the Pole wraps up when Suarez Navarro goes wide across court with a forehand. Radwanska will serve for a place in the semi-finals.

Radwanska 6-1 4-3 Suarez Navarro. Radwanska takes a quick hold, for the loss of just the one point, back-to-back netted forehands from Suarez Navarro costing the Spaniard. She has all the pressure back on her side of the net again as she returns to serve.

Radwanska 6-1 3-3 Suarez Navarro. The Spaniard opens with a smash winner but still the sloppy errors flow as she nets on consecutive points to allow Radwanska to sneak ahead at 15-30. Suarez Navarro levels at 30-all before Radwanska earns herself yet another break point. The chance goes begging as the Pole puts her lob attempt just marginally wide down the line. Suarez Navarro squanders two game points before slapping down her sixth double fault to hand Radwanska a second chance to break. A forehand drive volley from the Spaniard goes for a winner to save it. A couple of gruelling points later and it's a third chance for Radwanska to break. This one goes begging on a defensive backhand wide across court from the Pole before Suarez Navarro goes on to finally hold, the game clock coming in well over 10 minutes.

Radwanska 6-1 3-2 Suarez Navarro. Break. Radwanska finds herself staring at three break back points once more after Suarez Navarro belts a single-handed backhand winner down the line. The Pole saves the first by standing her ground on the baseline and crouching right down as she flicks a backhand back down the line for a winner. But there is nothing she can do about the second as Suarez Navarro finds another backhand winner, this time on the angle across court. That was comfortably the Spaniasrd's best game of the match.

Radwanska 6-1 3-1 Suarez Navarro. Break. Radwanska is gifted a chance to immediately restore her break lead as Suarez Navarro catches the top of the net but fails to go over. The Spaniard digs in well to save the chance only to hand Radwanska a second go. And this time, the 26-year-old Pole does regain her advantage, standing firm on the baseline and forcing Suarez Navarro to go for yet more power, sending her forehand wide across court.

Radwanska 6-1 2-1 Suarez Navarro. Break. Radwanska having all sorts of trouble with the sun in this game and finds herself on the receiving end of a break point after Suarez Navarro finds a forehand winner down the line after running round the ball. The change goes begging for the Spaniard as she nets a forehand off a tame serve once again from Radwanska. Suarez Navarro earns herself a second chance with a single-handed backhand winner down the line. Finally! One of her trademark shots comes off. That goes begging with another ball into the net but the Spaniard does eventually break at the third attempt, albeit with a little help from Radwanska, who does a lot of hard running to stay in the point only to net a forehand after turning her defence into attack.

Radwanska 6-1 2-0 Suarez Navarro. Break. An unexpectedly aggressive backhand down the line from Radwanska, followed up by a backhand winner off the shorter ball from the Pole sees her get off the mark in the game. That quickly becomes 30-all after a fifth double fault from Suarez Navarro before Radwanska earns herself another break point with an inch-perfect lob winner. And the Pole does break with a clenched fist and a quiet but determined "come on" as Suarez Navarro nets another backhand.

Radwanska 6-1 1-0 Suarez Navarro. Good serving from Radwanska in the early stages of this second set, the Pole even finding her first ace of the match in the process. Radwanska is not going to let up and Suarez Navarro desperately needs to find a way to tighten her game up, the Spaniard resorting to the sliced backhand just to get the ball back in play even to still miss.

Radwanska 6-1 Suarez Navarro. Set. Suarez Navarro opens by missing the court with a forehand, already her 16th unforced error of the match, before Radwanska extends her lead to 0-30 with a tricky inside out forehand winner across court. The Pole makes it look so easy. Another error from Suarez Navarro, this time a netted forehand, and it's three set points to Radwanska. The first is saved by a great second serve from Suarez Navarro, Radwanska netting her return. But an inside out forehand across court and into the tramlines from the Spaniard and Radwanska has the first set for the loss of just the one game.

Radwanska 5-1 Suarez Navarro. The Spaniard unleashes on a signature shot of a backhand down the line only to pull the ball wide and hand Radwanska a game point. Suarez Navarro is starting to string the shots together now though and levels up at deuce with some attacking play that eventually ends with the Pole suffering a rush of blood to the head and going for a booming inside out forehand that sails well wide. She is clearly determined not to suffer the same fate on the next point and simply sticks in the rally, drawing the error from the Spaniard with solid defensive play. The Pole goes on to hold from deuce and Suarez Navarro will have to serve to stay in this opening set with just 25 minutes on the clock.