NEW YORK (Reuters) - World number one Rafa Nadal knew powerhouse Juan Martin del Potro's biggest weakness was his shaky backhand, and the Spaniard exploited the vulnerability repeatedly at their U.S.

It took four hours and 26 minutes, but Roger Federer is now guaranteed a singles medal at the London Olympics after defeating Juan Martin del Potro, 3-6, 7-6 (5), 19-17 in the semifinals.

INDIAN WELLS, Calif. — Since upsetting Rafael Nadal and Roger Federer to win the U.S. Open at the precocious age of 20, Juan Martín del Potro has had to wait and wait for his happy tennis endings. He ...

Llodra, who won in Marseille in 2010, lost his serve once in each set and could not force a single break point chance against del Potro, who hit 11 aces to 10 for the Frenchman.

Comeback king Rafael Nadal defeats Juan Martin del Potro 4-6, 6-3, 6-4 to cement return from seven-month injury layoff.

Sixth seed Juan Martin Del Potro, in his first Grand Slam final, stunned defending champion and top seed Roger Federer to ...

Marin Cilic has ended Juan Martin del Potro's chances of winning consecutive Grand Slam singles titles, beating the 21-year-old Argentine 5-7, 6-4, 7-5, 5-7, 6-3 in the fourth round of the Australian ...