| Details | |
|---|---|
| Duration | 6 January 2020 – 6 December 2020 |
| Edition | 43rd (12th under this name) |
| Tournaments | 57 |
| Categories | Challenger 125 (10) Challenger 110 (0) Challenger 100 (10) Challenger 90 (2) Challenger 80 (35) Challenger 50 (0) |
| Achievements (singles) | |
| Most tournament titles |  Carlos Alcaraz  Francisco Cerúndolo (3) |
| Most tournament finals | Carlos Alcaraz  Aslan Karatsev (4) |
← 2019 2021 → | |
The ATP Challenger Tour in 2020 was the secondary professional tennis circuit organized by the ATP. The 2020 ATP Challenger Tour calendar comprised 57 tournaments with prize money ranging from $35,000 up to $162,480. It was the 43rd edition of challenger tournaments cycle and 12th under the name of Challenger Tour.
The Challenger Tour was suspended between 13 March and 16 August due to the COVID-19 pandemic.