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Unbalanced men’s draw?

Top half of the men’s draw: Novak DjokovicAlexander Sascha ZverevDominic ThiemKaren Khachanov = 1⃣5⃣Grand Slam (including 1⃣ Roland Garros) + 3⃣8⃣ Masters titles
Bottom halfRoger FedererStan WawrinkaRafa NadalKei Nishikori = 4⃣0⃣Grand Slam (including 1⃣3⃣ Roland Garros)+6⃣3⃣Masters titles.