The 2018 Open de Guadeloupe was a professional tennis tournament played on hard courts. It was the seventh edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Le Gosier, Guadeloupe between 27 March and 1 April 2018.
| 2018 Open de Guadeloupe | |
|---|---|
| Date | 27 March – 1 April |
| Edition | 7th |
| Draw | 32S / 16D |
| Surface | Hard |
| Location | Le Gosier, Guadeloupe |
| Champions | |
| Singles | |
 Dušan Lajović | |
| Doubles | |
 Neal Skupski /  John-Patrick Smith | |
Singles main-draw entrants edit
Seeds edit
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 GRE
|
Stefanos Tsitsipas | 70 | 1 |
 POR
|
Gastão Elias | 106 | 2 |
| SRB
|
Dušan Lajović | 108 | 3 |
 BEL
|
Ruben Bemelmans | 116 | 4 |
 CAN
|
Peter Polansky | 126 | 5 |
 USA
|
Denis Kudla | 144 | 6 |
 FRA
|
Calvin Hemery | 150 | 7 |
| USA
|
Bradley Klahn | 163 | 8 |
- 1 Rankings as of 19 March 2018.
Other entrants edit
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw using a protected ranking:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
Sander Gillé
Tom Jomby- Laurent Rochette
Evan Song
Champions edit
Singles edit
Dušan Lajović def. Denis Kudla 6–4, 6–0.
Doubles edit
Neal Skupski / 
John-Patrick Smith def. Ruben Bemelmans / John-Patrick Smith 7–6(7–3), 6–4.