Unless you’re a tennis die-hard, you probably didn’t know much about Terence Atmane before this week. The 23-year-old Frenchman is ranked as the World No. 136 and has played just 14 matches on the ATP Tour in the last calendar year.

Atmane referenced a paradox related to aliens after beating Holger Rune to reach his first ATP 1,000 semifinal.

Terence Atmane, ranked 136th in the world coming into the Cincinnati Open, has pulled off one upset after another to advance to the men's semifinals.

Cincinnati Masters sensation Terence Atmane says he is just a regular guy who has to buy himself clothes and shoes for matches, and adds he is solely responsible for his career since he doesn't have an agent.

In an unusual turn of events, Terence Atmane was once fired by his former sponsor Asics, for holding Nike sneakers in his hand on the court.

Qualifier Terence Atmane made a trip to a sporting goods store to buy more Reds gear the morning of his upset of No. 9 seed Holger Rune on Aug. 14

In addition to Rune and Fritz, Atmane got through Joao Fonseca and Flavio Cobolli in Cincinnati. He entered the main draw through the tournament's qualifying matches, becoming the first qualifier to reach the semifinal in Cincinnati since 2015.