Ruben (ATP-116) was not able to reach the main draw of the Miami Open. He lost to a young Australian.
Ruben had to face Alex de Minaur (ATP-130) for the first time in the decisive qualifying round. Ruben did not serve smoothly, and the Australian benefited from that. De Minaur won the encounter with 6-4 and 6-3. The match lasted 1 hour and 21 minutes.