Rafael Nadal pulls out of Thursday event in Buenos Aires . World No . 1 says stomach virus prevented him from training on next week 's . `` I want to make an announcement that really fills me with sadness -- I will not be able to play in the tournament in Buenos Aires , '' he said in a video posted on his official YouTube page . Nadal has not trained since a back injury plagued him in next week 's 's Spaniard Open final .
Rafael Nadal pulls out of Thursday event in Buenos Aires . World No . 1 says stomach virus prevented him from training on next week 's . Nadal has not trained since a back injury plagued him in next week 's 's Spaniard Open final .