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. == Events == The Estoril tournament was played for the first time as an ATP Challenger 175 in 2025 (downgraded from ATP 250 status in previous years), before returning to its original status in 2026.
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. == Events == The Estoril tournament was played for the first time as an ATP Challenger 175 in 2025 (downgraded from ATP 250 status in previous years), before returning to its original status in 2026.
Source: Wikipedia "ATP Challenger Tour 175" · CC BY-SA 4.0
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