[8] Urabe faced Koichi Kaneda at MA Japan Kickboxing: TEKKEN in Kimitsu on September 6, 2009, in his first fight outside of Krush.
[10] Urabe faced the 2009 RISE Super Featherweight Rookies Cup winner Fumiya Osawa at Krush-EX - Shinjuku Dog Fight on December 4, 2009.
Prior to the fight taking place, Urabe left Nishiyama Dojo and began training at Team Dragon.
[11] Urabe faced King Kohei in his final fight at super featherweight, before moving up to lightweight, at Krush-EX - New Generation on February 19, 2010.
[12] Urabe faced Shusuke Oishi in a non-tournament bout at the 2010 K-1 World MAX opening round event, which took place on May 2, 2010.
[13] Urabe faced the former two-time Martial Arts Japan Kickboxing Federation super featherweight champion Yuji Takeuchi on July 5, 2010, in the reserve bout of the 2010 K-1 World MAX tournament.
In front of an audience of 1,800 people, he won the fight by unanimous decision, with all three judges scoring the bout 30–26 for him.
Urabe faced the 2009 Krush Rookies tournament winner Takuya Shirahama in the semifinals and was able to overcome him by unanimous decision, with scores of 30–28, 30–27 and 30–28.
[19] He advanced to the semifinals of the one-day tournament, where he faced Tetsuya Yamato, whom he had beaten by unanimous decision nine months prior.
[20] Urabe once again came up short in a tournament final however, as he suffered a unanimous decision loss at the hands of Yuta Kubo.
Two days later, it was confirmed Urabe would take part in the 2011 Krush U-22 Lightweight (62.5 kg) Supernova Tournament.
He lost the fight by a career-first stoppage, as he was knocked out with a flying knee in the dying seconds of the opening round.
[25] Urabe took part in the 2012 Krush U-22 Lightweight (62.5 kg) Supernova Tournament and was booked to face Kengo Sonoda in the quarterfinals, which took place on September 9, 2012.
Although he was initially only penalized two points, the referee disqualified Urabe after it became apparent that Osawa would be unable to continue fighting.
[29] Urabe and Osawa faced each other in an immediate rematch at Krush.29 on June 16, 2013, in the semifinals of the one-day ISKA K-1 Rules World Championship tournament.
[38] Urabe faced Denis Puric in the quarterfinals of the 2015 K-1 World Super Featherweight Grand Prix, which took place on January 18, 2015.
He knocked Puric down with a right hook early on in the opening round and dropped him with a knee strike to the body soon after, which resulted in an automatic technical knockout victory for him under the K-1 tournament rules.
[39][40] Urabe faced Javier Hernández in a non-title bout at K-1 World GP 2015 -55kg Championship Tournament on April 19, 2015.
[42] Urabe faced Konstantin Trishin in another non-title bout at K-1 World GP 2015 -70kg Championship Tournament on July 4, 2015.
He had previously beaten Hirotaka by unanimous decision in the finals of the 2015 K-1 World Super Featherweight Grand Prix.
[46] Urabe faced Kouzi in the quarterfinals of the 2016 K-1 World Super Featherweight Grand Prix, which took place on April 24, 2016.
[47] Urabe faced the one-time Krush Super Featherweight title challenger Kotaro Shimano in the tournament semifinals.
[51] He fought a rematch with Taiga Kawabe, who had beaten him by decision in the 2016 K-1 Japan Super Featherweight Grand Prix, in the finals.
[52][53][54] Urabe faced Kongnapa Weerasakreck in the quarterfinals of the 2017 K-1 World Lightweight Grand Prix on February 25, 2017.
[58] Urabe next faced Cristian Spetcu at K-1 World GP 2017 Heavyweight Championship Tournament on November 23, 2017.
[66] Urabe faced the former Krush Super Lightweight champion Yuto Shinohara at K-1 World GP 2020 in Osaka on September 22, 2020.