Combat Press ranked him as a top ten super flyweight (-58 kg) kickboxer in the world between September 2020 and July 2021.
[14] After overcoming Yuki Matsuno by unanimous decision on June 3, 2012, Urabe was booked to make his third title defense against Fumiya Osawa at Krush.20 on July 21, 2012.
[18] Urabe made his second Krush title defense against Naoki Ishikawa at Krush.25 ～TEAM DRAGON 10th Anniversary～ on December 14, 2012.
He won the fight by doctor's stoppage in the fourth round, due to a cut above Shigeru's left eye.
[21] Urabe made his third title defense against the former RISE Super Featherweight champion Kan Itabashi at Krush.30 on August 11, 2013.
Urabe was knocked down with a left hook in the extra fourth round however, which led to all three judges awarding Itabashi a 10–8 scorecard.
[25] Urabe faced Xavier Bastard for the ISKA Oriental Rules Super Lightweight title at Best of Fight on May 1, 2014.
[28] Urabe faced Kotaro Shimano for the vacant Krush Super Featherweight title at Krush.47 on November 9, 2014.
[30] Urabe took part in the 2016 K-1 Super Featherweight Grand Prix, held to crown the inaugural champion.
[32] Urabe faced Javier Hernández in the semifinals and won the fight by unanimous decision, after an extra fourth round was contested.
[36] Urabe faced Paulo Tebar in the quarterfinals of the 2016 K-1 Japan Super Featherweight Grand Prix on April 24, 2016.
[38] Urabe faced Johannes Wolf in the quarterfinals of the 2016 K-1 World Super Featherweight Grand Prix, which took place on September 19, 2016.
[44] Urabe rebounded from this loss with a second-round knockout of Masahiro Yamamoto at K-1 World GP 2017 Welterweight Championship Tournament on September 18, 2017.
[47] Urabe next faced Ryusei Ashizawa at K-1 World GP 2018: 3rd Super Lightweight Championship Tournament on November 3, 2018.
[48] His victories over Shenzheng and Ashizawa earned Urabe the chance to challenge the K-1 Featherweight champion Yuta Murakoshi at K-1 World GP 2019: K’FESTA 2 on March 10, 2019.
[53] Urabe faced Kizaemon Saiga at K-1 World GP 2020 Winter's Crucial Bout on December 13, 2020.
[57] Urabe was booked to face Kotaro Shimano in a 61 kg catchweight bout at K-1 World GP 2022 Japan on February 27, 2022.