<p>Ukraine's Vitaly Klitschko retained his WBC world heavyweight title on Saturday when the referee stopped the contest against Manuel Charr in the fourth round after the German sustained a deep cut above his right eye. <br /><br /></p>.<p>The 41-year-old Klitschko controlled the fight in the first three rounds, keeping his previously undefeated opponent at bay with his left jab. <br /><br />The 27-year-old challenger tried to fight back before suffering a gash over his right eye. <br />With blood pouring down Charr's face, referee Guido Cavalleri ended the fight with less than a minute left in round four after consulting the ring's doctor. <br /><br />Charr, who had a 21-0 record with 11 knockouts coming into the fight, was furious at the decision, kicking and punching at the ropes. <br /><br />He challenged the Ukrainian to continue before being restrained by his trainers, with the pro-Klitschko crowd at Moscow's Olympic indoor arena booing and whistling at the German.<br /> <br />Klitschko, who won a unanimous points decision against Britain's Dereck Chisora in February, improved his record to 45-2 with 40 knockouts. "I'm disappointed I didn't manage to win the fight with a real knockout," he told Russian television. "Sadly, it was the doctor's decision. We both wanted to continue the fight." <br /><br />Klitschko has held the WBC title since 2004 with his younger brother Vladimir holding the WBA, WBO and IBF heavyweight belts.<br /></p>
<p>Ukraine's Vitaly Klitschko retained his WBC world heavyweight title on Saturday when the referee stopped the contest against Manuel Charr in the fourth round after the German sustained a deep cut above his right eye. <br /><br /></p>.<p>The 41-year-old Klitschko controlled the fight in the first three rounds, keeping his previously undefeated opponent at bay with his left jab. <br /><br />The 27-year-old challenger tried to fight back before suffering a gash over his right eye. <br />With blood pouring down Charr's face, referee Guido Cavalleri ended the fight with less than a minute left in round four after consulting the ring's doctor. <br /><br />Charr, who had a 21-0 record with 11 knockouts coming into the fight, was furious at the decision, kicking and punching at the ropes. <br /><br />He challenged the Ukrainian to continue before being restrained by his trainers, with the pro-Klitschko crowd at Moscow's Olympic indoor arena booing and whistling at the German.<br /> <br />Klitschko, who won a unanimous points decision against Britain's Dereck Chisora in February, improved his record to 45-2 with 40 knockouts. "I'm disappointed I didn't manage to win the fight with a real knockout," he told Russian television. "Sadly, it was the doctor's decision. We both wanted to continue the fight." <br /><br />Klitschko has held the WBC title since 2004 with his younger brother Vladimir holding the WBA, WBO and IBF heavyweight belts.<br /></p>
