Welcome to Eurosport-Yahoo!'s live coverage of the frst round clash in Basel between Roger Federer and Alexandr Dolgopolov!

Federer remains sat by Dolgopolov's side as he continues to have his ankle looked at, and eventually the young Ukrainian limps off court to warm applause. This is of course the result everyone expected, but in the manner desired. Let's hope this isn't a sad end to Alexandr Dolgopolov's first full year on the tour.

Dolgopolov is still down after a few minutes with the physios. He has a word with the umpire, who announced the withdrawal and Federer goes through in sad circumstances.

Great passing shot down the line from Dolgopolov! On the next point, he stretches to reach a drop shot at the net but Federer knocks it back past him. The Ukrainian turned his ankle as he went for the ball, and the trainer's are on to treat him...

A double fault puts Dolgopolov 0-30 down. He pulls one back, but a clinical Federer backhand gives him two break points. The Swiss finds the net with one, but forces to long defensive forehand from Dolgopolov! Federer will serve for the match...

The world number two breezes through naother service game. Dolgopolov has it all to do now.

Federer finds himself 40-0 down, but fights his way back to 30 with a fine backhand winner. Dolgopolov aces to hold, though.

Dolgopolov is still unable to threaten the home favourite on his serve, and Federer holds comfortably again.

Dolgopolov has looked useful at the net on the rare occasions he has ventured forward thus far, and a forehand smah beats Federer on his way to holding to love.

A real baseline slugfest goes the way of Federer, as Dolgopolov's aim continues to let him down. an ace sees Federer hold to love.

Federer scoops a forehand on the run long for 15-15 on Dolgpolov's serve, before the Ukrainian hits a long shot of his own. Wonderful stooping drop shot from Federer levels at 3-30, before Dolgopolov's double fault means an early chance for a break... a loose forehand gives Federer the break!

Federer earns three set points. A rare double fault brings that down to two, but then a long Dolgopolov forehand seals the first set for the Swiss maestro!

Federer hangs his head in disappointment as he steers a volley at the net wide. Dolgopolov aces for 40-0 and goes on to hold.

Federer continues his run with an ace, an unreutrnable second serve, and long return from Dolgopolov and another ace! The Ukrainian now serving to stay in the set.

Federer steams into a three-break point lead, and he breaks the Ukrainian with a deft drop shot at the net!

Dolgopolov is getting some success at forcing Federer deep, and he earns 15-40 before the Swiss again holds.

Dolgopolov struggles with a federer slice and he's 0-30 down. A pair of unreturnable serves draw him level, before Federer pulls a shot wide. Dolgopolov hits a long forehand and we're at deuce. Federer claws back from two Dolgopolov advantages and now has the first break point of the match... Nice serve and volley from the Ukrainian saves it! Dolgopolov finally holds.

Another confident love-hold from Federer, aceing on his second serve to seal the game.

Dolgopolov sends Federer scampering across behind the baseline and then hits a shot right to his feet for 30-0. An ace and a slice into the net from Federer see him get his own love game.

Federer curls a delightful ace away from Dolgopolov on his way to casually holding to love.

Federer fires a return forehand past Dolgopolov for 15-15, and the Ukrainian then hits the net on his next point. Federer hits long for 30-30. Two aces from the youngster see him hold the opening game.