Nobunaga was known to hold various sumo bouts at Azuchi. However, one bout was held at Nijo residence in Kyoto in 1578.
Elisonas/Lamers (Gyuichi) Shincho-Ko ki/The Chronicle of Lord Nobunaga (p. 295)
"Tiger, Tenth Month, 5th day: Nobunaga summoned sumo wrestlers from the Home Provinces and Omi and had them compete in a courtyard of his newly built Nijo residence. He hosted this spectacle for the important persons of the regency lineage and the rest of the high nobility."