| Details | |
|---|---|
| Duration | 11 January 1988 – 18 December 1988 |
| Edition | 11th |
| Tournaments | 91 |
| Achievements (singles) | |
← 1987 1989 → | |
The ATP Challenger Series was the second-tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1988 ATP Challenger Series calendar comprised 91 tournaments, with prize money ranging from $25,000 up to $75,000.[1]