Career
Early career
He would take nearly a year off before turning professional in 2012. He would pick up wins under the Destiny Mobile Marketing Association and King of the Cage banners before moving on to the PXC promotion in late 2012. Ultimate Fighting Championship
In late 2013, Louis was signed by the UFC and was slated to make his promotional debut against Alptekin Ozkilic at UFC Fight Night 35 on January 15, 2014.
Smolka was able to come out with a unanimous decision victory.
Smolka later faced Chris Cariaso on May 10, 2014 at UFC Fight Night 40. Smolka lost the fight via split decision.
Smolka faced Richie Vaculik on November 8, 2014, at UFC Fight Night 55. Smolka faced Neil Seery on July 11, 2015 at UFC 189.
Smolka faced Patrick Holohan on October 24, 2015 at UFC Fight Night 76 in the main event.
After a back and forth first round featuring creative maneuvers by both men, Smolka was able to establish top position on Holohan midway in round two and deliver a series of shots, prompting Holohan to give up his back. Smolka was then able to lock in the rear-naked choke and secure the victory. Pacific Xtreme Combat
Pacific Xtreme Combat Flyweight Championship (One time)
Ultimate Fighting Championship
Performance of the Night (One time).