🎾 THE SHOWMAN DELIVERS! Alexander Bublik 🇰🇿 seals the deal in a five-set thriller against Tommy Paul to book his place in the US Open R4 for the very first time! 💥 From Phoenix to New York, Sasha keeps raising the bar. 🔝 #USOpen #Bublik #ArizonaTennisClassic #ATCFamily #NYC #FlushingMeadows