"There's going to be a lot of changes in the rankings," says Canadian.
The Serb feels that he's progressing with every match, and just needs more of them.
Former No. 1 seeks restart after Madrid setback.
The King of Clay Just. Wants. To. Win. Matches.
See how Rafa Nadal really feels about his King of Clay tag.
World No. 1 is convinced Novak Djokovic will solve his struggles.
Serena Williams' clay-court season may be over before it began.