The 2018 Play In Challenger was a professional tennis tournament played on indoor hard courts. It was the first edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Lille, France, between 19 and 25 March 2018.
| 2018 Play In Challenger | |
|---|---|
| Date | 19–25 March |
| Edition | 1st |
| Surface | Hard (indoor) |
| Location | Lille, France |
| Champions | |
| Singles | |
 Grégoire Barrère | |
| Doubles | |
Hugo Nys /  Tim Pütz | |
Singles main-draw entrants edit
Seeds edit
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| FRA
|
Nicolas Mahut | 101 | 1 |
| FRA
|
Quentin Halys | 121 | 2 |
| GER
|
Yannick Maden | 136 | 3 |
| GER
|
Oscar Otte | 137 | 4 |
| FRA
|
Corentin Moutet | 138 | 5 |
| FRA
|
Stéphane Robert | 159 | 6 |
| GER |
|||
| GER
|
Matthias Bachinger | 171 | 8 |
- 1 Rankings are as of 5 March 2018.
Other entrants edit
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Champions edit
Singles edit
Grégoire Barrère def. 
Tobias Kamke 6–1, 6–4.
Doubles edit
- Hugo Nys / Tim Pütz def.
Jeevan Nedunchezhiyan / Purav Raja 7–6(7–3), 1–6, [10–7].
