Combat Press ranked him as a top ten super flyweight between September 2020, when he peaked at #2, and July 2021.
Once his opponent's feet are planted and the weight is fully transferred onto the lead foot, Egawa swarms into the pocket and unleashes a combination of body and head strikes.
[9] Egawa was made his K-1 debut against Reiji Kasami at K-1 World GP 2016 -65kg Japan Tournament on March 4, 2016.
[16] Egawa returned to K-1 for his next fight, as he was scheduled to face Yuta Otaki at K-1 World GP 2018: Featherweight Championship Tournament on June 17, 2018.
[18] Egawa was scheduled to face Hayato at K-1 World GP 2018: 3rd Super Lightweight Championship Tournament on November 3, 2018.
[27] In the tournament semifinals, Egawa faced Arthur Meyer, who earned his place with a second-round technical knockout of Haruma Saikyo.
Egawa won the fight by a first-round knockout, once again finishing his opponent with a body blow, landing a spinning back kick near the end of the round.
Egawa was aggressive from the opening bell and knocked Jawsuayai down with a body shot 40 seconds into the fight.
[32] Egawa was scheduled to face the divisional newcomer Tatsuya Tsubakihara in a non-title bout at K-1 World GP 2020 in Osaka on September 22, 2020.
[33] As he was at the time considered to be the second best 57 kg kickboxer in the world,[34] and due to Tsubakihara's recent arrival to the division, Egawa entered the fight as a significant favorite.
[41] Egawa moved up to super featherweight for his next bout and was scheduled to fight Tatsuya Oiwa at K-1 World GP 2021 in Fukuoka on July 17, 2021.
[45] Egawa was booked to face Chachai Maki at K-1 World GP 2022 in Fukuoka on August 11, 2022.
[47] Egawa faced the former Krush Super Featherweight champion Kotaro Shimano at K-1 World GP 2022 in Osaka on December 3, 2022.
[48] He stopped Shimano with a flurry of punches at the 1:58 minute mark of the opening round, after having knocked him down with a left hook shortly prior.
[50] Bouarourou withdrew from the fight on March 9, due to a muscle tear in his right calf, and was replaced by Kang Yun-Seong.
[52] Egawa faced the 2022 Krush Super Featherweight tournament runner-up Tomoya Yokoyama at K-1 World GP 2023: ReBOOT～K-1 ReBIRTH～ on September 10, 2023.
[55] The fight was ruled a unanimous decision draw after the first three rounds were contested, with all three ringside officials handing in an even 28–28 scorecard.