Japan title defense against Shun YAMATO at NJKF Border Kickboxing on May 12, 2019. He retained the title by a fourth-round technical knockout. Suzuki faced Emanuele Tetti Menichelli in a non-title bout at Rise World Series 2019 on July 21, 2019. He won the fight by a second-round knockout, stopping Menichelli with a left hook to the body. Suzuki fought another non-title bout against the RISE Super Flyweight (-53 kg) champion Toki Tamaru at Rise World Series 2019 Final Round on September 16, 2019. The fight was ruled a majority decision draw after the first three rounds were contested, with two judges scoring it an even 29–29 draw and one judge scoring it 30–29 for Tamaru. Suzuki was awarded a unanimous decision after an extension round was fought. Suzuki made his first RISE title defense against Rasta Kido at RISE 136 on January 13, 2020. They previously faced each other in the quarterfinals of the RISE bantamweight tournament on July 16, 2018, with Suzuki winning by unanimous decision. He was more convincing in the rematch, dropping Rasta with a right straight in the fourth round for a stoppage victory. Dead or Alive tournament Suzuki faced the former two-weight Lumpinee Stadium champion Visanlek Meibukai in a non-title bout at Rise on Abema on July 12, 2020. The event was held in an empty arena, as no fans were allowed to attend due to measures imposed to combat the COVID-19 pandemic. He won the fight by a third-round technical knockout. On September 12, it was announced that Suzuki would be one of four participants in the 2020 RISE "Dead or Alive" one-day tournament, held to determine the next opponent for Tenshin Nasukawa. Aside from a bout with the pound for pound great, the winner was also set to receive a ¥5,000,000 prize. Suzuki was scheduled to face Rui Ebata in the semifinals, at RISE DEAD OR ALIVE 2020 Osaka on November 1, 2020. Suzuki won the fight by unanimous decision, with three scorecards of 30–28. The bout was later named as "Fight of the Year" by Combat Press. Suzuki advanced to the tournament finals, where he faced last year's RISE -58kg World Series runner-up Shiro. He lost the fight by a dominant unanimous decision, as all three judges scored every round of the bout for Shiro. Continued title reign Suzuki faced Soma Tameda at RISE Eldorado 2021 on February 28, 2021. He