Overview
- Arthur Rinderknech knocked out seeded Karen Khachanov 7-5, 6-2 to move into the second round.
- Ugo Humbert beat 17-year-old wildcard Moïse Kouamé 6-3, 7-5 to set up a meeting with world No. 2 Jannik Sinner.
- Match reports noted Humbert wore strapping on his right knee and showed some discomfort during the win.
- Gaël Monfils outlasted Tallon Griekspoor to open his farewell season here with a milestone, becoming the oldest Monte‑Carlo match winner since 1973 and the French leader in Masters 1000 victories at 145.
- The Monte‑Carlo Masters opens the clay‑court season before Roland‑Garros, giving rising talents like Kouamé, ranked 328 and playing on a wildcard, a rare stage against top opposition.