This may be Nadal's first expression of self-doubt. Once that creeps into your psyche, invincibility disappears. That is especially true once the other challengers in the pack sense weakness. The former Big 3 may soon become the Big 1.
Time is moving against Nadal. Alcaraz can thank political intrigue for denying his competition for #1 the opportunity to compete. More than one official has slipped when naming who is #1 when promoting his entry in their tournaments. Hint: his name rhymes with Slovak.
Alcaraz YE #1 - Rafa Joins Group Exit