After that break point he faced in the third game Nadal was untouchable on serve and he dropped just three points behind his initial shot by the end of the set to clinch it 6-3 with a service victor in that ninth game.
This was Nadal's 14th win in a row on clay this season and he has broken another huge Open era record, winning his 50th consecutive set on clay to pass John McEnroe who claimed 49 on the carpet back in 1984, in one of the greatest Open era seasons.
Nadal, who is looking for his sixth Madrid Open title, will now face Austria's Dominic Thiem in the quarters on Friday. "I think I played one of my best matches this year for sure, and for sure on clay in my life".
"I don't know if these kind of records are very important", he said, before adding, "I don't say I don't care because it's better to have these kind of things than don't have it. I will just keep going with it".
The surprise package of the draw, which has now opened up nicely on Nadal's half, as Dusan Lajovic beat Juan Martin Del Potro in a tense third set tie-break, and he will. Face Kevin Anderson for the chance for a potential shot at the World No. 1.
The five-time champion broke for a third time in the second set to seal his victory, converting his third match point as another Monfils groundstroke flew long.
"Even in the warm-up I felt so good today", Pliskova said.
James Paxton's no-hitter confirms he's the ace the Mariners need
Jon Tayler writes for SI.com , "Consider that, entering Tuesday's action, the league as a whole was hitting just.244 this season". Nearly A BLUE JAY - Paxton was drafted out of the University of Kentucky by the Toronto Blue Jays in 2009, 37th overall.
Halep lost to Karolina Pliskova 6-4, 6-3, ending her bid to become a three-time consecutive champion in Madrid. I didn't play badly in my opinion.
Halep, who has won the tournament for the last two years, had looked imperious on her way to the last eight, dropping only nine games in three matches including Wednesday's win against Pliskova's twin sister Kristyna.
Sharapova is set to climb inside the top 40 next week and the 31-year-old will be encouraged by her week's work, where she showed signs she is finding her rhythm.
Djokovic, who kicked off his campaign with straight sets win over Japan's Kei Nishikori, failed to bounce back from a set down and slumped to a 3-6, 6-2, 3-6 defeat against Edmund.
"I go back to the drawing board and start over again".
American John Isner also advanced to the quarter-finals after overcoming Uruguayan Pablo Cuevas in a tight match, 7-6 7-6 7-6.