A truly spectacular start to the season, with the unbeaten track remaining on the pitch at the end of the first two months and three ATP titles already won, including the prestigious Australian Open trophy. Rafael Nadal is definitely the absolute protagonist of the year so far, making himself the author of one of the best starts of his entire career as a professional tennis player.With the excellent victory over the British Cameron Norrie, in the final of the Acapulco tournament in Mexico, the Spaniard has conquered another important affirmation and has secured the fourth position in the world ranking from next week, overcoming the Greek Stefanos Tsitsipas and climbing to 6515 points (warned all his opponents, including the very first in the standings).So far the winner of 21 Grand Slam events has won 15 consecut …