After doing an exhaustive search, I found a ship that would arrive in Koper at the end of January. This is the ASIAN TRUST. This ship loaded in the North Port of Shanghai for 12 hours and left for Europe on December 6. This ship stopped in Singapore to refuel and then headed to the Spanish port in the Canary Islands via the Cape of Good Hope. It is now sailing towards Port Said in Egypt where it will arrive on January 15. According to its schedule, it would arrive in Koper on January 27.
Conclusion, the route that this ship has taken is not at all common for the transport of Teslas, but you never know, it could carry a partial load. Call your TA and ask him for the name of the ship that transports your car or where it is right now, if he tells you that it is on the high seas, this ship could be a candidate, although I would be more inclined to go for the GLOVIS SUMMIT, which is confirmed that will unload 5000 cars in Barcelona through a contact I have at the port.