Both scored straight-set victories in Friday's semi-finals.
But fellow Argentines Gaston Gaudio and the indefatigable Guillermo Coria won in straight sets as did Russian Marat Safin
Top seed Rainer Schuettler beat Swede Robin Soderling 6-4, 7-6 in the first round of the Munich Open.
Sweden won both the concluding reverse singles to emerge 4-1 winners in the first round of the Davis Cup.
The sixth seed was beaten in the first round of the Australian Open by Robin Soderling.
Rafael Nadal is hunting a record-extending and almost unbelievable 12th Roland Garros title is remarkable in itself.
Describing Rafael Nadal as his greatest rival, Swiss tennis maestro Roger Federer has admitted that he could never maintain a complete stranglehold over the Spaniard at the French Open, which is considered as the former's stronghold.
Nadal enters his title defence after a stellar season on his favourite surface.
It's on! Rafael Nadal and Novak Djokovic are set to clash in the French Open quarterfinal on Wednesday.
List of French Open men's singles champions:
Edmund, playing in his first Grand Glam quarter-final, showed no nerves as he blazed away with his fearsome forehand to subdue a nervy Dimitrov.
Rafael Nadal, whose all-time claycourt record now stands at 414-36 says nobody should assume his feats are routine and that each victory is celebrated like the first.
Novak Djokovic beat defending champion Rafael Nadal 7-5, 6-3, 6-1 to move into the semi-finals of the French Open, in the process spoiling the Spaniard's 29th birthday celebrations.
Factbox on Switzerland's Roger Federer,
Factbox on Switzerland's Roger Federer, who defeated Rafael Nadal in the Australian Open men's singles final on Sunday.
Roger Federer is the oldest male player to win a Grand Slam title since Australia's Ken Rosewall won at Melbourne Park in 1972 at the age of 37.
It was only his second defeat in 11 years and 72 matches at Roland Garros, yet it came as little surprise for Rafael Nadal as the nine-time champion admitted he had his French Open quarter-final defeat to Novak Djokovic coming.
Stanislas Wawrinka eked out the "biggest win" of his career when he downed Novak Djokovic in the final of the 2015 French Open and the Swiss champions says staying mentally strong is always key against the Serbian giant.
Nadal, is known to have a superior win-loss record over most top players (including Andy Murray and Novak Djokovic), but believe it or not, there are players on the circuit who have an edge over Nadal.
"But tomorrow is a new day and I have to move on. It's only the quarter-finals, and I want to fight for the title. That's what I came here for. I have to kind of direct my thoughts to the semis."
The 2nd major of the year, the French Open will start on the weekend. With the clay-court grand slam starting on Sunday, here is the list of French Open champions over the years
Let us forget tennis for a while and take a look at Nadal's grand birthday cakes at the Roland Garros over the years. It is a tradition which cannot be interrupted!
Fans spent more time looking at the murky Parisian sky than watching tennis on Tuesday as French Open organisers were accused of "not caring about the players" after the event was disrupted by more rain following the previous day's washout.
An almost deathly hush descended as Serbian Novak Djokovic administered the last rites on Rafael Nadal's reign of dominance at the French Open.