Got tired of wrestling with VirtualBox and WSL issues so I'm just dual-booting Ubuntu and Windows 10. Happy with the results. Both Ubuntu and Windows are fast on this rig but Ubuntu
Gaming PC - PC Clone B450, AMD Ryzen™ 5 3600, 16 GB RAM, 250 GB SSD + – Join Banana
AMD Ryzen 5 3600XT / Ryzen 7 3800XT / Ryzen 9 3900XT Linux Performance In 130+ Benchmarks Review - Phoronix