| Event | Winners |
|---|---|
| IRC 2024, Turkiye | Download a list of the winners |
| IRC 2023, China | Download a list of the winners |
| IRC 2022, India | Download a list of the winners |
| IRC 2021, Germany | Download a list of the winners |
| IRC 2019, UK (co-sponsored by Derby Rubber) | Download a list of the winners |
| IRC 2018, Malaysia | Download a list of the winners |
| IRC 2017, USA | Download a list of the winners |
| IRC 2016, Japan | Download a list of the winners |