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.
Singles main-draw entrants
Seeds
1 Rankings as of 19 March 2018.
Other entrants
The following players received wildcards into the singles main draw: Corentin Denolly Dušan Lajović Gianni Mina Stefanos Tsitsipas
The following player received entry into the singles main draw using a protected ranking: Santiago Giraldo
The following players received entry into the singles main draw as alternates: Lloyd Glasspool Kaichi Uchida
The following players received entry from the qualifying draw: Sander Gillé Tom Jomby Laurent Rochette Evan Song
Champions
Singles
Dušan Lajović def. Denis Kudla 6–4, 6–0.
Doubles
Neal Skupski / John-Patrick Smith def. Ruben Bemelmans / John-Patrick Smith 7–6(7–3), 6–4.