With a career lasting 12 years, southpaw Gert bo Jacobsen started off his career at age 20 on October 1982, last fighting in 0 and building a record of 43-5-0. Jacobsen in his 49 fights. He started his best winning streak on October 1982 however, this came to an end on May 1988. In this period he won a total of 26 fights.
In a memorable debut Jacobsen gained a KO win against Chris Mccallum in a 4 round contest, becoming the 3rd person to stop Mccallum. Jacobsen rise in boxing continued with 24 wins against fighters such as Alain Simoes, Rene Weller and Alfredo Raininger.
Jacobsen then went on to fight and beat Rene Weller on January 10th, 1986 maintaining his unbeaten record. Jacobsen was the first person to stop Rene Weller and he did it in the 8th round via TKO. Jacobsen then went on to win a further 5 fights taking his record to 21 wins, 0 losses and 0 draws.
Jacobsen then went on to fight and beat Alain Simoes on June 8th, 1987 maintaining his unbeaten record. Jacobsen's fight against Alain Simoes came in the 8th round of a 12 round fight via TKO. Jacobsen became the first person to stop Simoes. Jacobsen then went on to win a further 4 fights taking his record to 26 wins, 0 losses and 0 draws.
Jacobsen went into his next fight against Greg Haugen on October 28th, 1988 with a career record of 26 wins. Jacobsen was beaten by Greg Haugen in the 10th round. The win came via TKO in the 10th round.
Taking a knock to his career, Jacobsen fought and was defeated by Poli Diaz on June 14th, 1989 taking his record to 26-2-0. Jacobsen fought Poli Diaz and was defeated via TKO in the 12 round bout. This was Jacobsen's 2nd stoppage defeat in his career which came in the 6th round. 18 wins followed where Jacobsen went on to fight Rocky Berg, Manning Galloway and Jackie Beard amongst others, prolonging his win streak.
Furthering his career, Jacobsen fought Mike Bryan on January 13th, 1995 and continued his career to a record of 42-4-0. The win came via TKO. The win happened in the 1st round of a 8 round fight via TKO.
Taking another knock in his career, Jacobsen fought Khalid Rahilou on April 28th, 1995 and was defeated by Rahilou. This turned out to be Jacobsen's final career fight. Rahilou became the 5th person to stop Jacobsen in round 9 of a 12 round fight via TKO.