With his 13th French Open triumph, tennis star Rafael Nadal won his 20th Grand Slam title and caught up with Roger Federer. The thought of this leaderboard is what drives the big three of the sport in their rivalry. Who will be the most successful champion? The prompt congratulations from Roger Federer pleased Rafael Nadal. The tennis gentleman had respectfully congratulated him on the 20th Grand Slam title from afar. Rafael Nadal won his 20th Grand Slam title The Swiss even called it a “great honor” to be able to honor his long-standing Spanish rival, even though he himself had …