India, April 25 -- A shocking incident occurred at the ATP Madrid Open 2026 when Stefanos Tsitsipas launched a graphic verbal assault on his father and coach, Apostolos Tsitsipas, during the opening match against American Patrick Kypson on April 23, Thursday. 

Despite the 80th-ranked Greek eventually clawing back for a 3-6, 7-6, 7-6 victory over Patrick Kypson, fans kept talking about the dark side of Tsitsipas that re-emerged on the Manolo Santana Stadium court.

What exactly did Stefanos Tsitsipas say to his father?

The incident occurred during a tense changeover after Tsitsipas dropped the first set. Frustrated by his lack of rhythm and a coaching penalty issued by umpire Marijana Veljovic, Tsitsipas directed a stream of Greek o...