Dragon Gate Summer Adventure Tag League 2015 - Night 6 was a Professional wrestling event produced by Dragon Gate, which took place on September 13, 2015 at the [[Kawagoe Espoir Isanuma] in Kawagoe, Saitama, Japan.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Dark Match: Drastik Boy defeated Kaito Ishida (3:31)
- Naruki Doi & YAMATO defeated Jimmyz (Genki Horiguchi HAGeeMee & Ryo Jimmy Saito) (12:44)
- Kzy defeated Jimmy Susumu (11:53)
- Cyber Kong & Shingo Takagi  defeated Gamma & Takehiro Yamamura  (12:08) in a Summer Adventure Tag League 2015 Block B Match
- Monster Express (Akira Tozawa & Masato Yoshino) & T-Hawk defeated Dia.HEARTS (Big R Shimizu, BxB Hulk & Masaaki Mochizuki) (12:42)
- Dragon Kid & Flamita  defeated Eita & Kotoka  (16:11) in a Summer Adventure Tag League 2015 Block A Match