The 2018 Internationaux de Tennis de Blois was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Blois, France between 18 and 24 June 2018.
| 2018 Internationaux de Tennis de Blois | |
|---|---|
| Date | 18–24 June |
| Edition | 6th |
| Draw | 32S / 16D |
| Surface | Clay |
| Location | Blois, France |
| Champions | |
| Singles | |
 Scott Griekspoor | |
| Doubles | |
 Fabrício Neis /  David Vega Hernández | |
Singles main-draw entrants edit
Seeds edit
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 POR
|
Pedro Sousa | 127 | 1 |
 FRA |
|||
 SUI
|
Henri Laaksonen | 138 | 3 |
 ARG
|
Juan Ignacio Londero | 163 | 4 |
 CAN
|
Félix Auger-Aliassime | 170 | 5 |
| ARG
|
Carlos Berlocq | 171 | 6 |
| FRA
|
Stéphane Robert | 174 | 7 |
 CHI
|
Christian Garín | 179 | 8 |
- 1 Rankings are as of 11 June 2018.
Other entrants edit
The following players received wildcards into the singles main draw:
Jaimee Floyd Angele- Calvin Hemery
- Alexandre Müller
- Stéphane Robert
The following players received entry into the singles main draw as special exempts:
The following players received entry from the qualifying draw:
Marcelo Tomás Barrios Vera- Tristan Lamasine
- Jules Okala
Mikael Ymer
The following player received entry as a lucky loser:
Champions edit
Singles edit
Scott Griekspoor def. 
Félix Auger-Aliassime 6–4, 6–4.
Doubles edit
Fabrício Neis / 
David Vega Hernández def. 
Hsieh Cheng-peng / 
Rameez Junaid 7–6(7–4), 6–1.
