Three more wins followed, as Jakobsen locked out the championship in dominating fashion in the season finale, finishing 78 points ahead of his nearest challenger, Jonas Lindhard Nielsen.

[5] For 2020, Jakobsen switched to prototype racing, competing in the LMP3 category of the European Le Mans Series for RLR MSport alongside James Dayson.

[10] Commencing the season at Paul Ricard, Jakobsen started out in strong fashion, taking pole position and helping his team to win the four hour-long race.

[17] With title rivals Inter Europol Competition retiring late in the race following a car failure with a subsequent collision, Jakobsen, Smith and Mike Benham were crowned champions of the ELMS' LMP3 category.

For the event at the Yas Marina Circuit, Lapierre would step away from driving duties in order to give Jakobsen more seat time during the races, which ended up paying off immediately, the Dane taking a commanding victory on Saturday.

[25][26] During the third round in Aragón however, Jakobsen caused the #37 to retire for the only time that year, missing his braking point for turn one and colliding with the fellow Cool Racing car of José María López.

[31] Despite an early spin by Coigny during the second race at Portimão, Jakobsen was able to make up ground during the final stints, getting within a second of the race-winning AF Corse of Ben Barnicoat.

[32][33] At the start of November, it was announced that Jakobsen would pair up with George Kurtz and Colin Braun in that winter's Asian Le Mans Series, driving for the Algarve Pro Racing-run CrowdStrike Racing team.

[37] Thereafter, Jakobsen remained with Cool Racing's ELMS outfit in 2024, being partnered by silver-ranked Lorenzo Fluxá and Super Formula champion Ritomo Miyata in the LMP2 Pro class.