Born in Santa Fe, New Mexico, Lumkpin went to Naperville Central High School in Illinois, where she won a record four successive state titles in singles.

Lumpkin played collegiate tennis with the UCLA Bruins and was a member of the 2008 championship winning team, before graduating in 2009.

[2] As a professional player, she made both of her WTA Tour main-draw appearances at the Texas Tennis Open, playing doubles in 2011 and 2012.

In the 2012 edition, she and partner Yasmin Schnack lost a match tie-break in the first round to eventual champions, Marina Erakovic and Heather Watson.

She served for six seasons as the assistant and associate women's tennis coach at the University of Oregon until being hired at UIC on Nov. 1, 2023.