Daniel Vallejo

Daniel Vallejo is a 22-year-old tennis player from Paraguay competing on the ATP Tour. During the 2026 season, according to Tennis Post's match data, he played 17 tournaments with a record of 21 wins and 17 losses across 38 matches. His best results of the season came at the ATP 500 event in Tokyo, where he reached the quarter-final, and at the ATP 250 tournament in Bastad, where he advanced to the semi-final. He also competed in Grand Slam events, including the US Open, where he lost in the first round.