Relive nerve-wracking tennis rallies featuring big guns Novak Djokovic, Rafael Nadal and more - Watch

Grigor Dimitrov stuns Roger Federer to reach US Open semi-finals

Dimitrov overcame David Goffin in the quarter-finals to enter the semis of the Monte Carlo Masters.

Elina Svitolina will face Denisa Allertova to pursue her dreams of the maiden slam

The victory saw Dimitrov move up by three places to stand only behind Spain's Rafael Nadal and Swiss star Roger Federer

France?s 11th seeded Lucas Pouille was the other big casualty after he lost to Donald Young

Nadal pulled off one of his greatest victories in denying Dimitrov, 6-3, 5-7, 7-6 (7/5), 6-7 (4/7), 6-4 in four hours and 56 minutes

Nadal beat an injured Milos Raonic while the 15th-seed Bulgarian beat David Goffin

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