Söderling has a noteworthy rivalry with Rafael Nadal originally sparked by a particular incident occurring during a match between the two in _____________. Although Nadal won the match, Söderling received considerable media attention for walking off the court while Nadal was preparing to serve to protest Nadal's lengthy time between serves. When Soderling went back on court, Nadal said "new balls" and held up his serving ball, which Soderling responded to by "mocking" Nadal's habit of picking at his shorts prior to playing a point.