• US Open, Day Four

Abject Tsonga falls to Klizan

Martin Klizan stretches for a forehand © Getty Images

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Martin Klizan caused the biggest upset of the US Open to date with victory over No. 5 seed Jo-Wilfried Tsonga.

Tsonga is a player of huge talent but he threw in a shocking display against the little-known Slovak, losing 6-4 1-6 6-1 6-3.

The defeat will be well received in the Andy Murray camp as Tsonga was a potential quarter-final opponent, but on this form he would have been no match for the British No. 1.

The rot set in early, as Tsonga surrendered an early break. He hit back in the fourth game, wowing the crowd with some fantastic touch play at the net - celebrating the point with a pump of the fist. All the hard work was undone as he dropped his serve again and Klizan, at the third time of asking, found a big serve to close out the opening set.

Klizan has risen through the rankings this year, but he is still hugely inconsistent and he dropped the second set in a blink of an eye. But it did not spark a revival as Tsonga failed to find any sort of form and Klizan broke in the third courtesy of a fine passing shot and mishit forehand from Tsonga. Another horror game from Tsonga saw him fall 4-0 behind and it resulted in him smashing his racket to pieces.

The expected Tsonga revival failed to come in the fourth and he dropped his opening two service games which handed Klizan the cushion he needed to secure a famous win.

Andy Murray will face Feliciano Lopez in the third round and the Spaniard's powers of recovery will be put to the test as he was forced into five sets before seeing off Pablo Andujar 6-4 6-1 6-7(5) 6-3 7-5.

Mardy Fish dug himself out of a huge hole to beat Nikolay Davydenko in five sets. The American found himself staring down the barrel of a gun when two sets down, but the No. 23 seed roared back in some style to secure a 4-6 6-7(4) 6-2 6-1 6-2.

The hard courts may not be the favoured surface of Nicolas Almagro, but the Spaniard is a determined character and he proved the point with a 6-3 5-7 5-7 6-4 6-4 win over Philipp Petzschner.

Jack Sock is up next for Almagro after the American posted an impressive 6-2 6-2 6-4 win over Flavio Cipolla.

Kei Nishikori's progress continued, with the No. 17 seed disposing of Tim Smyczek 6-2 6-2 6-4 to reach the third round.

Marin Cilic booked a third round meeting with Nishikori, but it was harder than it looked at one stage as Daniel Brands pushed the No. 12 seed all the way before falling 6-3 6-2 5-7 4-6 7-5.

Home favourite James Blake cause one final upset on day four, defeating 24th seed Marcel Granollers in straight sets. The American was fleet of foot during the win, putting the injury woes of the past two years behind him to humble his highly fancied Spanish opponent.

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