Dee ihe na-aga n'ihu maka paragraf a - Koepka ga-enwe ịwa ahụ aka mgbe oge 2017 gasịrị ma nwee olile anya na mgbake ya ga-agwụcha n'oge maka asọmpi Masters nke 2018 mana ọ ga-apụ, na-ekwu na ọ bụ naanị 80% kwesịrị ekwesị. Ọ gbakere iji chekwaa aha ya nke ọma na US Open
na Shinnecock Hills, na-aghọ onye egwuregwu mbụ kemgbe Curtis Strange na 1989 iji merie aha US Open na-aga n'ihu, nke mere naanị ugboro asaa. O meriri isi nke atọ ya na 2018 PGA Championship na Bellerive Country Club ka ọ bụrụ naanị onye ọkpụkpọ nke ise, na nke mbụ kemgbe Tiger Woods na 2000, iji merie US Open na utu aha PGA n'otu afọ ahụ.