In January 2020, Boiko finished as runner-up in the WSF Open, as a result, he was awarded a two-year card on the World Snooker Tour for the 2020–21 and 2021–22. As a 14 years old, he became the youngest ever professional player. In March 2020, Boiko defeated Darren Morgan, a former professional player, by 5-3 in the final to become the EBSA European 6-Reds champion for the first time. Later in 2020, he participated at the qualifying stages of the World Championship, the youngest player to do so, but he was eliminated by Thor Chuan Leong in the first qualifying round, losing 6-3.