Jannik Sinner is the 𝐲𝐨𝐮𝐧𝐠𝐞𝐬𝐭 𝐦𝐚𝐧 to reach the quarter-final at all 4️⃣ Grand Slams in a single year since Rafael Nadal in 2008 😲💪 #ATP #Rafa #tennis #Slams