Need to build again this confidence in myself: Rafael Nadal ahead of Australian Open

Melbourne [Australia], January 15 (ANI): The 22-time Grand Slam champion Rafael Nadal has admitted that he is feeling vulnerable ahead of his first-round match in Australian Open and said that he needs to build confidence in himself.

The defending champion had lost six of his last seven matches since the US Open, which is the worst run of his career entering the Grand Slam.

"Without a doubt. I have been losing more than u