Tomáš Macháč

Tomáš Macháč is not mentioned in either of the provided news articles. The first article discusses Carlota Casiraghi's public appearance with her partner, Nicolas Mathieu, at the Monte Carlo Masters. It focuses on their relationship and its confirmation after two years. The second article details Carlos Alcaraz's victory over Etcheverry at the Monte Carlo Masters, highlighting his mental struggles and eventual triumph. It analyzes his performance and challenges during the match. Therefore, based solely on the given information, Tomáš Macháč has no relevance to these articles or the events they describe.