| Champ: |  Alfie Hewett |
| Runner: |  Joachim Gérard |
| Score: | 6–4, 4–6, 6–3 |
See main article: 2020 French Open.
Alfie Hewett defeated Joachim Gérard in the final, 6–4, 4–6, 6–3 to win the men's singles wheelchair tennis title at the 2020 French Open. It was his second French Open singles title and fourth major singles title overall.
Gustavo Fernández was the defending champion,[1] but was defeated by Hewett in the semifinals.