Lee Seon-woo (Korean: 이선우), known as Infiltration, is a professional esports player from Seoul, South Korea, specializing in fighting games.

[5] Lee was fired from his team, Panda Global, in November 2018 after the organization learned of a domestic abuse case he was convicted for the year before.

[6] Infiltration first started playing fighting games seriously with the home release of Street Fighter IV, but he offered tips for players hoping to raise their skill level.

[9] In March, Lee qualified for the Capcom Pro Tour Asia Finals by winning Nine States Tournament 2015.

[12] On January 16, 2015, Eventhubs ranked Lee at #6 on their Top 50 Ultra Street Fighter IV players list.

[14] Lee qualified for the 2014 Capcom Cup by winning CEO 2014 in an exciting battle against Evil Geniuses' Yusuke Momochi.

[20][21] On June 4, 2022, Capcom Fighters announced via a tweet that Infiltration (as well as Michael "Theo Lee Ronin" Parks) "will be banned from all Capcom-owned, operated and/or licensed events globally, including Capcom Pro Tour and Street Fighter League, until further notice.