Rafael Nadal has responded to critics who called out his decision to become an ambassador for Saudi Arabian tennis.

so one of his work post-retirement is to promote tennis in Saudi Arabia. He attended the Next Gen ATP Finals, held in Jeddah, and also met the Davis Cup team of the country.

The 19-year-old Tien, who is of Vietnamese descent, beat 2 players in the top 50 on his way to finishing second at the Next ...