World number five Andrey Rublev was sensationally defaulted after being accused of swearing at a line judge in the deciding set of his semi-final at the Dubai Open.
Qualifier Mariano Navone defeated Cameron Norrie in straight sets in a gruelling semi-final of the Rio Open on Saturday.
Despite suffering an ankle injury at the Rio Open on Tuesday, Carlos Alcaraz remains optimistic about his chances of defending his Indian Wells title next month.
World number two Carlos Alcaraz rolled over his ankle just ten minutes into the first round of the Rio Open.
Jannik Sinner beat Alex de Minaur 7-5 6-4 in the ABN AMRO Open final in Rotterdam to secure his second consecutive tournament victory.
Australian Open champion Jannik Sinner breezed through the opening round of the BN AMRO Open in Rotterdam on Wednesday.