Rubuta ci gaba don wannan sakin layi - Ya fara wasan farko a ranar 12 ga Agusta 2014 a gasar cin kofin UEFA
a filin wasa na Cardiff City, yana wasa cikakkun mintuna 90 a cikin rashin nasara 2 zuwa 0 ga Real Madrid. Kwana 11 bayan haka, a ranar 23 ga Agusta 2014, Krychowiak ya fara buga wasan farko a La Liga a kulob din a wasan da suka yi da Valencia. Tun lokacin da ya fara bugawa Sevilla wasa, da sauri ya kafa kansa a cikin farawa goma sha ɗaya, yana wasa a matsayin mai tsakiya. Ayyukansa sun sami yabo daga Marca, suna kiransa mafi kyawun kulob din a wannan kakar. A ranar 18 ga Satumba, 2014, Krychowiak ya zira kwallaye na farko a kulob din a wasan da suka ci Feyenoord da ci 2-0 a wasan rukuni na UEFA Europa League. A ranar 27 ga Mayu, 2015, ya fara wasa a Sevilla a wasan karshe na UEFA Europa League na shekarar 2015 a filin wasa na Poland a Warsaw, kuma ya zira kwallaye na wasan a minti na 28 na nasarar da suka samu a kan Dnipro, ya zama dan wasan Poland na biyar da ya lashe gasar. Shi ne kawai dan wasan Sevilla da aka zaba a cikin La Liga Team of the Season. Krychowiak ya buga wasanni 48 kuma ya zira kwallaye sau hudu a duk gasa.