| Code | |
|---|---|
| Gender | Female |
| Used name | Helena•Melková |
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Tennis | 1951 World Festival of Youth and Students | Ost-Berlin | Doubles, Women | 🥉 | |||
| Tennis | 1954 World Festival of Youth and Students | Budapest | Doubles, Women | 🥉 | |||
| Tennis | 1954 World Festival of Youth and Students | Budapest | Doubles, Mixed | 🥉 |