Court Rainier III – Ora italiana: 11:00 (ora locale: 11:00 am)
1. Dusan Lajovic 
vs [Q] Lorenzo Sonego 
2. [1] Novak Djokovic vs [10] Daniil Medvedev 
3. Guido Pella 
vs [2] Rafael Nadal 
4. [9] Borna Coric 
vs [13] Fabio Fognini
Court des Princes – Ora italiana: 11:00 (ora locale: 11:00 am)
1. [3] Jamie Murray 
/ Bruno Soares 
vs Diego Schwartzman / Joao Sousa 
2. Robin Haase 
/ Wesley Koolhof vs Radu Albot 
/ Nikoloz Basilashvili 
3. [7] Nikola Mektic / Franko Skugor vs [2] Lukasz Kubot 
/ Marcelo Melo
4. Maximo Gonzalez / Horacio Zeballos vs Marcelo Demoliner / Daniil Medvedev
