The 2021 Koper Challenge Cup was held from September 2 through September 5 in Koper, Slovenia.
Vault Final Results
Bars Final Results
Beam Final Results
Floor Final Results
Vault Qualification Results
| Rank | Athlete | Nation | D | E | ND | Total | Average |
| 1 | Csenge Bacskay | Hungary | 5.0 | 8.850 | 13.850 | 13.675 | |
| 4.8 | 8.700 | 13.500 | |||||
| 2 | Tjasa Kysselef | Slovenia | 4.6 | 9.050 | 13.650 | 13.625 | |
| 4.8 | 8.800 | 13.600 | |||||
| 3 | Tijana Korent | Croatia | 4.6 | 8.650 | 13.250 | 13.300 | |
| 4.6 | 8.750 | 13.350 | |||||
| 4 | Yana Fedorova | Ukraine | 4.6 | 8.900 | 13.500 | 13.275 | |
| 4.0 | 9.050 | 13.050 | |||||
| 5 | Dorina Böczögö | Hungary | 4.6 | 8.850 | 13.450 | 13.125 | |
| 4.2 | 8.600 | 12.800 | |||||
| 6 | Yelizaveta Hubareva | Ukraine | 4.6 | 8.550 | 13.150 | 12.800 | |
| 4.0 | 8.450 | 12.450 | |||||
| 7 | Rachael Riley | Canada | 5.0 | 8.250 | -0.1 | 13.150 | 12.575 |
| 4.2 | 7.900 | -0.1 | 12.000 | ||||
| 8 | Daniela Halova | Czech Republic | 4.0 | 8.450 | 12.450 | 12.200 | |
| 3.7 | 8.250 | 11.950 |
Bars Qualification Results
Beam Qualification Results
Floor Qualification Results