Career
Other good performances during his career include reaching the final of the 1964 Queen"s Club Championships, which he lost to Roy Emerson, and taking Rod Laver to five sets at the 1969 Heineken Open. He was a gold medalist in the mixed doubles at the 1970 Summer Universiade in Turin, with Tiiu Parmas. His best performance in the singles draw of a Grand Slam tournament came at the 1965 French Championships, where he made the quarter-finals.
He was due to face South African player Cliff Drysdale in the quarter-final but the Soviet delegation made him forfeit the match, in protest against apartheid.
Leius and Winnie Shaw were mixed doubles runners-up at the 1971 French Open. He was a regular fixture in the Soviet Davis Cup team during the 1960s and appeared in a total of 20 ties, from which he managed 23 wins, 17 of them in singles.
He was sentenced to eight years in prison and was released after serving five years for good behavior. Mixed doubles: 1 (0–1).