1. Introduction  
2. The Photometric Data  
2.1. Going Beyond Total, Model Fluxes  
3. Training and Blind Samples  
3.1. Construction of the Sample for Training  
3.2. Extension of the Training Sample to High-z Sources  
3.3. Samples for Blind Tests  
4. The Method  
4.1. Problem Formulation  
4.2. Training and Inference Pipeline  
5. Redshift Computation for eFEDS Sources and Comparison with Literature  
6. Robustness Tests  
6.1. PIT Score  
6.2. Limitations on Photo-zs for All-Sky Surveys  
7. Discussion  
7.1. Outliers as a Function of Neighbors  
8. Conclusions and Summary