| 2018 Challenger La Manche | |
|---|---|
| Date | 12–18 February |
| Edition | 25th |
| Draw | 32S / 16D |
| Surface | Hard (indoor) |
| Location | Cherbourg, France |
| Champions | |
| Singles | |
 Maximilian Marterer | |
| Doubles | |
 Romain Arneodo /  Tristan-Samuel Weissborn | |
The 2018 Challenger La Manche was a professional tennis tournament played on indoor hard courts. It was the 25th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Cherbourg, France between 12 and 18 February 2018.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 FRA | Gilles Simon | 64 | 1 |
| GER | Maximilian Marterer | 82 | 2 |
 TUN | Malek Jaziri | 110 | 3 |
 ITA | Matteo Berrettini | 127 | 4 |
| GER | Oscar Otte | 136 | 5 |
 SVK | Norbert Gombos | 137 | 6 |
| FRA | Kenny de Schepper | 146 | 7 |
| FRA | Calvin Hemery | 148 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Maxime Tabatruong Maximilian Marterer def. Constant Lestienne 6–4, 7–5. Romain Arneodo / Tristan-Samuel Weissborn def. 
Antonio Šančić / 
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