2021 Combined Japan Cup
The 2021 Combined Japan Cup was held from 18 to 19 June 2021 in Morioka city, Iwate Prefecture. It was organized by the JMSCA. The athletes competed in combined format of two disciplines of bouldering and lead, simulating the 2024 Paris Olympics format. The winner for men was Tomoa Narasaki and for women was Akiyo Noguchi.
Competition format
It was held to simulate the 2024 Paris Olympics format. Eight competitors with the highest scores proceeded to the finals.| Disciplines | Qualifications | Finals | Notes |
| Bouldering | Four boulder problems. Time limit for each boulder was five minutes. | Three boulder problems. Time limit for each boulder was four minutes. | Score was determined by number of tops, number of zones, attempts to tops, and attempts to zones in decreasing order of importance. |
| Lead | A single lead route. Time limit to climb the route was six minutes. | A single lead route. Time limit to climb the route was six minutes. | Score was determined by the highest point/hold reached. |