On May 28, 1989, a 27-year-old Baek In-Chul (44-2, 40 KOs) got a shot at the WBA super-middleweight title held by 36-year-old Venezuelan boxer Fulgencio Obelmejias (49-4, 39 KOs).
In-Chul came in to the fight on a 3-fight win streak with a 87% KO rate, and was fighting after a gap of 5 months and 6 days. Obelmejias was on a 2-fight win streak with a 73% KO rate, and fighting after a layoff of 1 year and 5 days.
Baek In-Chul stopped the champion via TKO in the 11th round of the 12-round world-title fight, winning the first world title of his career, and is crowned the new WBA super-middleweight champion. In-Chul improves his record to 45-2 (41 KOs), while Obelmejias adds a loss to his record at 49-5.
On January 13, 1990, the 28-year-old WBA super-middleweight world champion, Baek In-Chul (46-2, 42 KOs), faced Yoshiaki Tajima, in a title defense fight.
In-Chul came in to the fight on a 5-fight win streak with a 87% KO rate, and was fighting after a gap of 3 months and 5 days.
The challenger refused to continue the fight in the 7th round, and Baek In-Chul is crowned the new super-middleweight world champion. In-Chul improves his record to 47-2 (43 KOs)
On October 8, 1989, the 27-year-old WBA super-middleweight world champion, Baek In-Chul (45-2, 41 KOs), faced Ron Essett, in a title defense fight.
In-Chul came in to the fight on a 4-fight win streak with a 87% KO rate, and was fighting after a gap of 4 months and 10 days.
Baek In-Chul stopped Ron Essett via TKO in the 11th round of the 12-round world-title fight, and successfully defended his WBA super-middleweight title. In-Chul improves his record to 46-2 (42 KOs)
On April 17, 1988, a 26-year-old Baek In-Chul (41-2, 37 KOs) and Ketut Udiana met in the ring in a middleweight bout.
In-Chul came in to the fight on a 1-fight losing streak with a 86% KO rate, and was fighting after a gap of 4 months and 27 days.
Baek In-Chul stopped Ketut Udiana via KO in the 2nd round. In-Chul improves his record to 42-2 (38 KOs)
On December 22, 1988, a 27-year-old Baek In-Chul (43-2, 39 KOs) and Chong-Pal Park met in the ring.
In-Chul came in to the fight on a 2-fight win streak with a 86% KO rate, and was fighting after a gap of 4 months and 22 days.
Baek In-Chul stopped Chong-Pal Park via KO in the 9th round. In-Chul improves his record to 44-2 (40 KOs)
On March 15, 1986, a 24-year-old Baek In-Chul (35-1, 35 KOs) and Troy Waters met in the ring in a super-welterweight bout.
In-Chul came in to the fight on a 9-fight win streak with a 97% KO rate, and was fighting after a gap of 4 months and 16 days.
Baek In-Chul defeated Troy Waters via split decision in the 12-round super-welterweight fight. In-Chul improves his record to 36-1
On July 30, 1988, a 26-year-old Baek In-Chul (42-2, 38 KOs) and Jae-Ok Kim met in the ring in a middleweight bout.
In-Chul came in to the fight on a 1-fight win streak with a 86% KO rate, and was fighting after a gap of 3 months and 13 days.
Baek In-Chul stopped Jae-Ok Kim via KO in the 6th round. In-Chul improves his record to 43-2 (39 KOs)
On July 13, 1985, a 23-year-old Baek In-Chul (33-1, 33 KOs) and Alberto Bapaimo met in the ring for the 2nd time, in a super-welterweight bout.
In-Chul came in to the fight on a 7-fight win streak with a 97% KO rate, and was fighting after a gap of 2 months and 23 days.
In the rematch, Baek In-Chul stopped Alberto Bapaimo via KO in the 3rd round. In-Chul improves his record to 34-1 (34 KOs)
On April 20, 1985, a 23-year-old Baek In-Chul (32-1, 32 KOs) and Jae-Hyung Yuh met in the ring in a super-welterweight bout.
In-Chul came in to the fight on a 6-fight win streak with a 97% KO rate, and was fighting after a gap of 3 months and 8 days.
Baek In-Chul stopped Jae-Hyung Yuh via KO in the 5th round. In-Chul improves his record to 33-1 (33 KOs)
On January 12, 1985, a 23-year-old Baek In-Chul (31-1, 31 KOs) and Hendris Salmon met in the ring in a super-welterweight bout.
In-Chul came in to the fight on a 5-fight win streak with a 96% KO rate, and was fighting after a gap of 5 months and 20 days.
Baek In-Chul stopped Hendris Salmon via KO in the 2nd round. In-Chul improves his record to 32-1 (32 KOs)