Organizace Grandslam MMA pořádala první akci 13. 7. 2014 pod názvem 'Grandslam MMA 1 - Way of the Cage' (Differ Ariake, Tokyo, Japan, Japan).
Do dnešního dne uspořádala celkem 8 akcí (Japonsko).
Grandslam MMA
| Datum | Země | Název, adresa |
|---|---|---|
| 25.3.2018 |  | Grandslam MMA 7 - Way of the Cage Differ Ariake, Koto, Tokyo, Japan |
| 29.10.2017 | | Grandslam MMA 6 - Way of the Cage GEN Sports Palace, Shinjuku, Tokyo, Japan |
| 3.11.2016 | | Grandslam 5 - Way of the Cage Differ Ariake, Tokyo, Japan |
| 19.3.2016 | | Grandslam 4 - Way of the Cage Differ Ariake, Tokyo, Japan, Japan |
| 19.3.2016 | | Grandslam - Survivor Differ Ariake, Tokyo, Japan, Japan |
| 12.9.2015 | | Grandslam MMA 3 - Way of the Cage Differ Ariake, Tokyo, Japan |
| 8.2.2015 | | Grandslam MMA 2 - Way of the Cage Differ Ariake, Tokyo, Japan, Japan |
| 13.7.2014 | | Grandslam MMA 1 - Way of the Cage Differ Ariake, Tokyo, Japan, Japan |
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