Thiago Monteiro upsets Stefanos Tsitsipas 6-4, 6-4 in Madrid Open

Thiago Monteiro stuns Stefanos Tsitsipas 6-4 6-4 at Madrid Open. The qualifier's determined play upsets one of the season's top clay court players. Monteiro's victory marks his first top-10 win and propels him to his first Masters R3 appearance. Tennis proves its unpredictability once again, showcasing the resilience of underdogs on the court.