The ATP Challenger 175 tournaments are the highest tier of annual men's tennis tournaments on the ATP Challenger Tour, with 175 ranking points awarded to each singles champion.[1][2]
Events
The Estoril tournament will be played for the first time as an ATP Challenger 175 in 2025, before returning to its original ATP 250 status in 2026 and 2027. The Punta Cana event had its inaugural edition in 2025. And the Cagliari tournament, held in 2023 and 2024 as an ATP Challenger 175, was removed from the calendar in 2025.