Dragon Gate Summer Adventure Tag League 2015 - Night 1 was a Professional wrestling event produced by Dragon Gate, which took place on September 5, 2015 at the Navel Kadena Arena in Kadena, Okinawa, Japan.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Kotoka & YAMATO defeated Don Fujii & Yosuke Santa Maria (14:11)
- Ryo Jimmy Saito defeated Stalker Ichikawa (13:30)
- Masaaki Mochizuki defeated Punch Tominaga (7:12)
- Naruki Doi & Shingo Takagi defeated Syachihoko BOY & T-Hawk (13:29)
- Dia.HEARTS (BxB Hulk & Dragon Kid) & Flamita defeated Jimmyz (Genki Horiguchi HAGeeMee, Jimmy Kanda & Jimmy Susumu) (13:26)
- Osaka06 (CIMA & Gamma)  defeated Monster Express (Akira Tozawa & Masato Yoshino)  (15:45) in a Summer Adventure Tag League 2015 Block B Match