World No.40 Nick Kyrgios on Monday slammed the decision to go ahead with Adria Tour after two stars who participated in the tournament tested positive for coronavirus. Bulgarian Grigor Dmitrov had tested positive on Sunday while Croatian Borna Coric was diagnosed with COVID-19 on Monday.

The two players had taken part in the exhibition tournament in Belgrade alongside World No.1 Novak Djokovic, World No.3 Dominic Thiem and World No.7 Alexander Zverev among others.