Himouto! Umaru-chan Episode 4: Umaru and Her Rival
Episode 4 of 12 of Himouto! Umaru-chan, aired August 2, 2015, 2 minutes. Available with English subtitles and dub where released.
Episode summary
Umaru shows her amazing skills at an arcade, Onii-chan gets a gift from Europe, Umaru plays tennis against Sylphyn, competes in a fighting game tournament, and then for some reason Sylphyn runs off... Source: crunchyroll