| Type: | PSA |
| Open International de Nantes 2018 | |
| Number: | 4 |
| Series: | Men's Open International de Nantes |
| Event Name: | Open International de Squash de Nantes 2018 |
| Location: |  Nantes France |
| Venue: | Théâtre Graslin |
| Psa Category: | Men's PSA Challenger Tour 30 |
| Psa Prize Money: | $28,000 |
| Psa Year: | World Tour 2018 |
| Prevseason: | 2017 |
| Nextseason: | 2019 |
The Men's Open International de Squash de Nantes 2018 is the men's edition of the 2018 Open International de Squash de Nantes, which is a tournament of the PSA World Tour event Challenger Tour 30 (Prize money: $28,000).
The event took place at the Théâtre Graslin in Nantes in France from 4 to 9 of September.
Declan James won his first Open International de Nantes trophy, beating James Willstrop in the final.
For 2018, the prize purse was $28,000. The prize money and points breakdown is as follows:[1]
| width=200 colspan=1 bgcolor=#dfe2e9 | Event | width=80 bgcolor=lime | W | width=85 bgcolor=#D8BFD8 | F | width=85 bgcolor=#FFFF00 | SF | width=85 bgcolor=#ffebcd | QF | width=85 bgcolor=#afeeee | R16 | width=85 bgcolor=#afeeee | 1R |
| Points (PSA) | 525 | 354 | 210 | 130 | 78 | 47.5 | |||||||
| Prize money | $4,085 | $2,580 | $1,610 | $970 | $590 | $375 |