Court Rainier III – Ora italiana: 11:00 (ora locale: 11:00 am)
1. [10] Daniil Medvedev 
vs [6] Stefanos Tsitsipas 
2. [1] Novak Djokovic 
vs Taylor Fritz 
3. Grigor Dimitrov 
vs [2] Rafael Nadal 
4. [13] Fabio Fognini 
vs [3] Alexander Zverev 
Court des Princes – Ora italiana: 11:00 (ora locale: 11:00 am)
1. Guido Pella 
vs [11] Marco Cecchinato
2. Cameron Norrie 
vs [Q] Lorenzo Sonego
3. [4] Dominic Thiem 
vs Dusan Lajovic
4. Pierre-Hugues Herbert 
vs [9] Borna Coric 
Court 2 – Ora italiana: 11:00 (ora locale: 11:00 am)
1. Diego Schwartzman / Joao Sousa 
vs [6] Henri Kontinen 
/ John Peers 
2. Marcelo Demoliner 
/ Daniil Medvedev vs [4] Juan Sebastian Cabal 
/ Robert Farah
3. Marton Fucsovics 
/ Guido Pella vs Radu Albot 
/ Nikoloz Basilashvili 
4. [WC] Jurgen Melzer / Dominic Thiem vs [2] Lukasz Kubot 
/ Marcelo Melo
