| May 9, 2024 | Dusan Lajovic vs Lorenzo Sonego | - |
| May 9, 2024 | Daniel Altmaier vs Luca Nardi | - |
| May 9, 2024 | Nicolas Moreno De Alboran vs Botic van de Zandschulp | - |
| May 9, 2024 | Jan-Lennard Struff vs Pedro Cachin | - |
| May 9, 2024 | Alexandre Muller vs Marton Fucsovics | - |
| May 9, 2024 | Mackenzie McDonald vs Aslan Karatsev | - |
| May 9, 2024 | Roberto Carballes Baena vs Christopher O'Connell | - |
| May 9, 2024 | Daniel Evans vs Fabio Fognini | - |
| May 9, 2024 | Miomir Kecmanovic vs Brandon Nakashima | - |
| May 9, 2024 | Jack Draper vs Borna Coric | - |
| May 9, 2024 | Emil Ruusuvuori vs Marcos Giron | - |
| May 9, 2024 | Tomas Machac vs Matteo Arnaldi | - |
| May 9, 2024 | Stefano Napolitano vs J.J. Wolf | - |
| May 9, 2024 | Corentin Moutet vs Roman Safiullin | - |
| May 9, 2024 | Matteo Gigante vs Giulio Zeppieri | - |
| May 9, 2024 | Zizou Bergs vs Rafael Nadal | - |
| May 9, 2024 | Arthur Rinderknech vs Francesco Passaro | - |
| May 9, 2024 | Alexei Popyrin vs Hamad Medjedovic | - |
| May 9, 2024 | Thiago Seyboth Wild vs Gregoire Barrere | - |
| May 9, 2024 | Dominik Koepfer vs Andrea Vavassori | - |
| May 9, 2024 | Rinky Hijikata vs Jaume Munar | - |
| May 8, 2024 | Diego Schwartzman vs Aleksandar Vukic | 6-2, 6-2 |
| May 8, 2024 | Christopher Eubanks vs Terence Atmane | 6-4, 6-4 |
| May 8, 2024 | Alexander Shevchenko vs Fabian Marozsan | 6-3, 6-2 |
| May 8, 2024 | Thiago Monteiro vs Gael Monfils | 6-2, 7-5 |
| May 8, 2024 | Maximilian Marterer vs Flavio Cobolli | 6-4, 6-2 |
| May 8, 2024 | Pavel Kotov vs Alex Michelsen | 6-1, 6-1 |
| May 8, 2024 | Yoshihito Nishioka vs Sebastian Ofner | 6-3, 2-6, 7-6 (7-4) |
| May 8, 2024 | Nuno Borges vs Pedro Martinez | 6-7 (3-7), 6-4, 7-6 (10-8) |
| May 8, 2024 | Luciano Darderi vs Denis Shapovalov | 6-7 (4-7), 6-3, 7-6 (7-4) |
| May 8, 2024 | Jakub Mensik vs Yannick Hanfmann | 6-3, 6-2 |
| May 8, 2024 | Zhizhen Zhang vs Daniel Elahi Galan | 6-2, 7-5 |
