| Champ: |  Nicolas Mahut |
| Runner: |  Gilles Müller |
| Score: | 6–4, 6–4 |
| Draw: | 28 (4 / 3) |
| Seeds: | 8 |
| Before Name: | Topshelf Open – Men's singles |
| After Name: | Ricoh Open – Men's singles |
| Main Name: | Ricoh Open |
See main article: article and 2016 Ricoh Open.
Nicolas Mahut was the defending champion and successfully defended his title, defeating Gilles Müller in the final, 6–4, 6–4.
The top four seeds receive a bye into the second round.