On September 29, 1980, a 35-year-old Rudi Lubbers (26-7, 11 KOs) and a 34-year-old Belgian boxer Jean Pierre Coopman (35-13-1, 19 KOs) met in the ring for the 2nd time,.
Lubbers came in to the fight on a 2-fight win streak with a 33% KO rate, and was fighting after a gap of 28 days. Coopman was on a -2-fight win streak with a 38% KO rate, and fighting after a layoff of 3 months and 2 days.
In the rematch, Rudi Lubbers stopped Jean Pierre Coopman via TKO in the 5th round. Lubbers improves his record to 27-7 (12 KOs), while Coopman adds a loss to his record at 35-14-1.
On April 27, 1970, a 24-year-old Rudi Lubbers (5-0, 2 KOs) and Jose Guillois met in the ring for the 2nd time,.
Lubbers came in to the fight on a 5-fight win streak with a 40% KO rate, and was fighting after a gap of 27 days.
In the rematch, Rudi Lubbers stopped Jose Guillois via TKO in the 1st round. Lubbers improves his record to 6-0 (3 KOs)
On November 23, 1981, a 36-year-old Rudi Lubbers (27-7, 12 KOs) and Uwe Meinicke met in the ring.
Lubbers came in to the fight on a 3-fight win streak with a 35% KO rate, and was fighting after a gap of 1 year, 1 month, and 25 days.
Rudi Lubbers stopped Uwe Meinicke via KO in the 1st round. Lubbers improves his record to 28-7 (13 KOs)
On July 18, 1970, a 24-year-old Rudi Lubbers (6-0, 3 KOs) and Horst Volpert met in the ring.
Lubbers came in to the fight on a 6-fight win streak with a 50% KO rate, and was fighting after a gap of 2 months and 21 days.
Rudi Lubbers stopped Horst Volpert via KO in the 1st round. Lubbers improves his record to 7-0 (4 KOs)
On December 26, 1971, a 26-year-old Rudi Lubbers (18-0, 10 KOs) and Macan Keita met in the ring.
Lubbers came in to the fight on a 18-fight win streak with a 55% KO rate, and was fighting after a gap of 19 days.
Rudi Lubbers stopped Macan Keita via KO in the 2nd round. Lubbers improves his record to 19-0 (11 KOs)
On February 28, 1970, a 24-year-old Rudi Lubbers (1-0, 0 KOs) and Mohamed Sahib met in the ring.
Lubbers came in to the fight on a 1-fight win streak with a 0% KO rate, and was fighting after a gap of 4 days.
Rudi Lubbers stopped Mohamed Sahib via TKO in the 2nd round. Lubbers improves his record to 2-0 (1 KO)
On December 7, 1971, a 26-year-old Rudi Lubbers (17-0, 9 KOs) and Dave Bailey met in the ring.
Lubbers came in to the fight on a 17-fight win streak with a 52% KO rate, and was fighting after a gap of 29 days.
Rudi Lubbers stopped Dave Bailey via KO in the 4th round. Lubbers improves his record to 18-0 (10 KOs)
On May 27, 1971, a 25-year-old Rudi Lubbers (15-0, 7 KOs) and Henri Ferjule met in the ring.
Lubbers came in to the fight on a 15-fight win streak with a 46% KO rate, and was fighting after a gap of 10 days.
Rudi Lubbers stopped Henri Ferjule via KO in the 4th round. Lubbers improves his record to 16-0 (8 KOs)
On March 12, 1970, a 24-year-old Rudi Lubbers (2-0, 1 KO) and Andre Haudrechy met in the ring.
Lubbers came in to the fight on a 2-fight win streak with a 50% KO rate, and was fighting after a gap of 12 days.
Rudi Lubbers stopped Andre Haudrechy via TKO in the 3rd round. Lubbers improves his record to 3-0 (2 KOs)
On April 2, 1971, a 25-year-old Rudi Lubbers (12-0, 5 KOs) and Mohamed Hassan met in the ring.
Lubbers came in to the fight on a 12-fight win streak with a 41% KO rate, and was fighting after a gap of 3 months.
Rudi Lubbers stopped Mohamed Hassan via TKO in the 6th round. Lubbers improves his record to 13-0 (6 KOs)