Vasilii Anatoliyovych Lomachenko (born 17 February 1988) is a Ukrainian professional boxer. He has held multiple world championships in three weight classes from featherweight to lightweight, including unified and lineal titles at lightweight. Lomachenko is one of the most successful amateur boxers of all time, possessing a record of 396 wins and 1 loss, with that loss avenged twice. Making his professional debut in 2013, Lomachenko tied the record with Saensak Muangsurin for winning a world title in the fewest professional fights, becoming the WBO featherweight champion in his third fight. He is known for his exceptional hand speed, timing, accuracy, creativity, athleticism, defence and footwork.