[1] Schenker was born in Váradszentmárton, Hungary (now Sânmartin, Bihor County, Romania), and was Jewish.

[7] At the 1912 Summer Olympics in Stockholm at the age of 31, Schenker won a gold medal in the team sabre event and placed fourth in individual sabre.

[4][7] At the 1924 Summer Olympics in Paris at the age of 43, he won a bronze medal in team foil and a silver medal in team sabre.

[4][7][8] Schenker also competed in individual foil at the 1928 Summer Olympics in Amsterdam at the age of 47, where he reached the semifinals but lost to bronze medalist fellow Hungarian János Garay.

[4] He authored A modern magyar kardvívás (Sport Lap- és Könyvkiadó, 1956), Säbelflechten (Corvina, 1961), and co-authored Szermierka na szable with Adam Papée and Tadeusz Friedrich (Sport i Turystyka, 1962).