Delightful from Nadal, hands as soft as silk to lift a little winner narrowly over the tape and out of the reach of the despairing Shapovalov. The 20-year-old slices a backhand into the tramlines and that's a hold for Spain.

The Spaniard steams on to a short ball to lash it back with serious venom and leave Shapovalov stranded - that would've ripped a hole in the Canadian's strings had he connected. But this is uncharacteristically loose from Rafael Nadal, shanking a forehand long.

15-30.

Right on the chalk from Denis Shapovalov, drifting it on to the line with Rafael Nadal expecting to see it slide long. 0-15.

Huge from Denis Shapovalov. He saves and then rattles down a swaying serve before following it up with a slapped forehand winner. A massive hold from break point down.

And does! What a magnificent no-backlift forehand from the Spaniard, whipping it past Denis Shapovalov before the Canadian could blink.

Break point Spain.

Double fault. Nadal is waiting to pounce...

Loose from the world number one, failing to deal with the zip on Denis Shapovalov's serve.

When he does get to grips with it, Rafa Nadal guides a clean winner down the line.

30-15.

Nadal holds. The pressure on that Shapovalov serve just cranks up a tad.

The "oles" have started... but the Canadian cowbells hit back as Rafa ruffles the net tape.

30-15.

Denis Shapovalov looks on forlornly as Rafael Nadal scurries a forehand past him down the line, and then jabs long. 30-0.

No pressure, Rafa, but you've got a king watching you...

That's Spain's King Felipe VI enjoying what he's seeing.

Image source, Reuters

Lovely volley. At full stretch, the 20-year-old guides a volleyed winner out of Nadal's reach.

And then Denis Shapovalov shows off his full arsenal, cheekily flopping a drop shot into the same spot to hold serve.

Denis Shapovalov steams to 30-0 before spraying a backhand into the tramlines.

He wraps the next into the net. 30-30.

Miles Maclagan
Former British Davis Cup player on BBC Radio 5 Live Sports Extra

Nadal is super pumped to get through that game, he was under pressure there. But it was not enough to undo the fighting tenacity of Nadal.

Slightly shaken, Rafael Nadal slips back into beast mode and breaks another Denis Shapovalov racquet with a bullet-like groundstroke.

The Canadian goes long, and Nadal holds!

That game was almost 10 minutes. Huge. And now the place is rocking.

That gasp turns to roars of relief as Denis Shapovalov can only direct a return into the tape.

Deuce.

A nervous gasp passes around the arena in Madrid. Rafael Nadal goes long.

Break point Canada.

This is some match, worthy of a final.

The Canadian is giving it everything but he's coming up against a phenomenon in the world number one - Nadal digs out a mighty backhand and Shapovalov can only find the net.

But the 20-year-old scrambles back once more. Deuce.

Wonderful from Denis Shapovalov. That backhand winner was so hot it broke his strings.

He reaches for a new racquet at deuce.

Rafael Nadal hits back with a thundering ace, and the slams his way to 40-30. He squats towards his team-mates and pumps his fist into the sky.