Jannik Sinner is on a historical run right now. The world no. 1 captured the Madrid Open title on Sunday, beating Alexander Zverev handedly 6–1, 6–2. This title marked his fifth ATP 1000 win in a row, making Sinner the first men’s tennis player in history to accomplish this streak. It’s a rare occurrence nowadays for there to be new history made in men’s tennis, especially after the Big Three era of Roger Federer, Rafael Nadal and Novak Djokovic (the latter is still competing). None of those legends won five ATP 1000 titles in a row. Over the next two weeks, Sinner could make more history if he captures the Italian Open title in his home country. For one, it would mark his sixth straight ATP 1000 title. But, the bigger news there is that he would officially capture all nine ATP 1000 titles in his career, which is deemed the “Career Golden Masters”—only Djokovic has achieved this milestone, and he’s done it twice.…