@keinishikori is once again a #USOpen quarterfinalist! He defeats Kohlschreiber, 6-3, 6-2, 7-5, and will face the winner of Cilic/Goffin. How high will Kei fly at the 2018 #USOpen? 📸: @visualsbypierre #atp #tennis #sports #nishikori #keinishikori #usopen50 #grandslam #LouisArmstrongStadium