 In autumn 2015, Lafata was denied at hat-trick (by the Croatian referee) in Europa League match in Greece against Asteras Tripolis.He scored goal in both away and home match against Schalke 04, as Sparta progressed to the knockout stages.On 30 July 2017, he scored his 200th league goal in a 1–1 draw against city rival Bohemians 1905.