Jannik Sinner’s journey from a national skiing champion in the Italian Alps to becoming tennis’s World No. 1 is a story of vision, discipline, and raw talent.

“In skiing, it’s difficult because [if] you make one mistake, you cannot win the race,” tennis champion Jannik Sinner said in an exclusive interview with CNBC.

Jannik Sinner won his first Wimbledon title on Sunday after an epic match at the grass-court major, but the young champion started his athletic career on the ski slopes, not the tennis court. The ...