Boris talks about the one-night stand and subsequent pregnancy in his upcoming documentary, "Boom! Boom! The World vs. Boris Becker".
Angela later gave birth to a daughter, Anna, who is now 23 years old.
Boris claims that the encounter with Angela took place in the back room of a London restaurant and not a small cupboard, as some have speculated.
He also states that he did not have any contact with Angela after their encounter.
Boris recently served time in a UK prison for hiding £2.5 million in assets during his bankruptcy proceedings.
The upcoming documentary covers Boris's life and experiences, including his recent imprisonment.
Boris – nicknamed ‘Boom Boom’ after his thunderous serve – insists about the fling on his upcoming Apple+ documentary, which charts the ups and downs of his life including his recent imprisonment