| 2019 Play In Challenger | |
|---|---|
| Date | 18–24 March |
| Edition | 2nd |
| Surface | Hard (indoor) |
| Location | Lille, France |
| Champions | |
| Singles | |
 Grégoire Barrère | |
| Doubles | |
 Romain Arneodo / Hugo Nys | |
The 2019 Play In Challenger was a professional tennis tournament played on indoor hard courts. It was the second edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Lille, France, between 18 and 24 March 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ESP | Guillermo García López | 109 | 1 |
 GER | Yannick Maden | 119 | 2 |
| FRA | Grégoire Barrère | 121 | 3 |
| GER | Matthias Bachinger | 123 | 4 |
 UKR | Sergiy Stakhovsky | 126 | 5 |
 ITA | Stefano Travaglia | 135 | 6 |
| FRA | Corentin Moutet | 137 | 7 |
| FRA | Antoine Hoang | 139 | 8 |
| GER | Oscar Otte | 144 | 9 |
 AUT | Dennis Novak | 156 | 10 |
| GER | Yannick Hanfmann | 158 | 11 |
 BIH | Mirza Bašić | 161 | 12 |
| FRA | Quentin Halys | 165 | 13 |
| GER | Daniel Brands | 167 | 14 |
| AUT | Sebastian Ofner | 179 | 15 |
 BEL | Arthur De Greef | 183 | 16 |
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw using their ITF World Tennis Ranking:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Grégoire Barrère def. Yannick Maden 6–2, 4–6, 6–4. Romain Arneodo / Hugo Nys def. 
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