Ugo Humbert defeated Moise Kouame 6–3, 7–5 in the first round of the Monte Carlo Masters on clay on 5 April 2026, confirming his status as the heavy pre-match favourite at odds of 1.23 to Kouame's 4.04. Humbert's composed performance on the red clay saw him control both sets, breaking serve at key moments to secure a straightforward victory. The result keeps Humbert on course in the tournament and demonstrates his comfort on the surface, whilst Kouame's exit marks an early departure from the Masters 1000 event.