The number of titles won by Nadal on clay, extending his lead at the top of the men's Open Era leaderboard, ahead of Vilas (49) and Austria's Thomas Muster (40).
Nadal, who retained his world number one ranking following Sunday's triumph in Paris, is also surprised that he and great rival Roger Federer, 36, continue to dominate the men's game.
Such is their dominance that former world number one Marat Safin, a two-time major victor, told reporters at the French Open that he would not be surprised to see Nadal and Federer "play until they are 40". "Of course, I have ambition, I have passion for what I am doing, but I never have been insane about all this kind of stuff", Nadal told a news conference. You can't live with that feeling. You have to do your way.
"Of course I would love to have 20 like Roger in the future, or even more, but being honest, it is something that is not in my mind".
While she admits she was "really worried" when Halep trailed Stephens by a set and a break in the final, Ruzici assures, "We believed, because we know she's such a fighter, and she turns things around". "Tennis is a very important part of my life, without a doubt, but is not everything".
With injuries keeping him at bay Nadal has plans to return to Paris in 2019 and try to win his 12th French Open title.
It was his only appearance before winning the Masters title in Monte Carlo in April, backing that up with victory at the Barcelona Open and another Masters title in Rome.
"For me, the motivation to play here always is high, high as possible", said Nadal after breezing past Juan Martin del Potro 6-4, 6-1, 6-2 in Friday's semi-finals in what was his 85th win in Paris against just two defeats.
"Last time I did that I came back here very strong and my reaction was very good after losing against Tommy [Haas] a year ago, I didn't drop another set for the rest of the grass-court season which I was very happy about". The Swiss elected to miss the clay court season and hostilities will be renewed at Wimbledon. Nadal, who had some shaky starts this year at Roland Garros, was well aware of the threat, and he was focused and ferocious from the start. "Of course, it's going to be easier then, a little bit, because it's not going to be the first time anymore". I had a tough moment in the third set with cramps in my hand.
Thiem's best results also have come on clay.
Nadal extended his remarkable tally to 11 French Open crowns when he defeated Dominic Thiem in straight sets during Sunday's final in what marked the Spaniard's 17th Grand Slam victory - three behind Federer.
"It's not even a dream to win here 11 times, because its impossible to think of something like this".