| Details | |
|---|---|
| Duration | 1 January 2018 – 25 November 2018 |
| Edition | 41st (10th under this name) |
| Tournaments | 159 |
| Categories | Challenger 125 (20) Challenger 110 (8) Challenger 100 (9) Challenger 90 (36) Challenger 80 (86) |
| Achievements (singles) | |
| Most tournament titles |  Guido Andreozzi (4) |
| Most tournament finals |  Jordan Thompson (8) |
← 2017 2019 → | |
The ATP Challenger Tour, in 2018, was the secondary professional tennis circuit organized by the ATP. The 2018 ATP Challenger Tour calendar comprised 159 tournaments, with prize money ranging from $50,000 up to $150,000. It was the 41st edition of challenger tournaments cycle, and 10th under the name of Challenger Tour.