[2] He won the 2023 MXGP of Argentina, the opening round of the 2023 FIM Motocross World Championship season.

For the COVID-19 hit 2020 season, Fernández stayed with SDM Corse Yamaha team but returned to the MX2 class of the 2020 FIM Motocross World Championship.

[5] He was able to make an immediate impact by achieving his first world championship podium, by finishing second overall at the opening round in Russia.

However, for the final two rounds of the season, Fernández was signed by Team HRC to race in the MXGP class alongside title contender Tim Gajser.

[8] He was able to pick up two overall podiums in his debut full season in the class, outperforming Team HRC rider Mitchell Evans and finishing eighth in the final standings.

Fernández represented Spain at the 2022 Motocross des Nations, helping his country to its joint second best result ever.

At crash on the first corner of qualifying race at the opening round of the 2024 FIM Motocross World Championship with several other riders saw Fernández sustain a torn ACL.