After qualifying for his first Grand Slam main draw of the year at the US Open, Galán was determined to take a different mental approach in his first meeting with world No. 5 Stefanos Tsitsipas.

Firing anyone is hard but when it is your dad, it becomes even harder. Stefanos Tsitsipas cut professional ties with his father and in recent interview, the Greek got emotional about the reasons why.

Earlier in the day, Greece’s Stefanos Tsitsipas saved a match point to overcome local hope Tallon Griekspoor in a three-hour marathon. The world No. 12 eventually overcame spirited resistance ...