At the 2015 FIDE World Cup Lysyj defeated Constantin Lupulescu in the first round and lost to Yu Yangyi in the second, thus exiting the competition. In February 2018, he tied for 4th-10th places in the Aeroflot Open, finishing 7th on tiebreak, with a score of 6/9, one point behind that of the winner, Vladislav Kovalev. Later in the same year, Lysyj acted as a second for Valentina Gunina in the Women's World Chess Championship tournament.