The World No.2 has been out for a month after hernia surgery.
The 19-year-old had to be his own coach during a bathroom break in Madrid.
"Carlos can win perfectly. I don't see any reason why he cannot win," Rafael Nadal said of Carlos Alcaraz's hopes vs. world No. 1.
King of clay talks challenge of potentially playing Carlos Alcaraz tomorrow.
Tunisian trailblazer is taking a simple approach to Madrid final.
Spanish player was banned for match fixing for one year, 10 months.
The Tunisian is playing exceptional tennis in Madrid.
