| Code | |
|---|---|
| Gender | Male |
| Used name | Ruben•Assmann |
| Born | 17 March 1985 |
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Ju-Jitsu | 2013 World Games | Cali | Duo Classic, Men | 🥈 | |||
| Ju-Jitsu | 2013 World Games | Cali | Duo Classic, Mixed | 🥉 | |||
| Ju-Jitsu | 2013 World Combat Games | Saint Petersburg | Duo Classic, Men | 🥇 | |||
| Ju-Jitsu | 2013 World Combat Games | Saint Petersburg | Duo Classic, Mixed | 🥉 | |||
| Ju-Jitsu | 2017 World Games | Wrocław | Duo Classic, Men | 🥈 |