is a Japanese professional boxer. She has been a world champion in two-weight classes having held the WBA female minimumweight title from January 2025 to October 2025, the WBC female minimumweight title from 2014 to 2017 and the unified WBO and WBA female atomweight titles from 2022 to 2024.
Professional boxing career A professional boxer since 2008, Kuroki first challenged for a World title when she took on IBF female minimumweight title holder Etsuko Tada at Korakuen Hall, Tokyo, Japan, on 3 March 2013, losing by unanimous decision.
However, she did not have to wait long to get her hands on a global belt as she won the WBC female minimumweight World title on 17 May 2014, beating defending champion Mari Ando by unanimous decision at Azalea Taisho, Osaka, Japan.
After five successful defenses, she lost her title on 17 December 2017, to Momo Koseki slipping to a unanimous decision defeat at Kyuden Gym, Fukuoka, Japan.
Moving down a weight division, Kuroki faced Saemi Hanagata at Korakuen Hall on 29 September 2018, with the vacant IBF female atomweight World title on the line. She lost by split decision with one ringside judge scoring the bout 96–95 in her favour while the other two gave the contest 96–94 for her opponent.
Kuroki claimed the WBO female atomweight World title on 1 September 2022, winning via unanimous decision against Nanae Suzuki at Korakuen Hall. At the same venue on 30 March 2023, she defended the title in a rematch with Suzuki, again taking a unanimous decision win.
On 5 August 2023, Kuroki became a unified world champion when she defeated WBA female atomweight title holder Monserrat Alarcón by majority decision at Central Gym, Kobe, Japan. Two judges scored 96-94 for Kuroki while the third had the fight a 95–95 tie.
Returning to Korakuen Hall on 12 January 2024, she lost her titles to Eri Matsuda going down by split decision with one judge giving her the contest 96-94 but the other two awarding it to Matsuda 96-94 and 97–93.
In her next bout, Kuroki stopped Wisuta Sririttidet in the fourth of a scheduled eight rounds at Kanada Hall, Fukuchi, Japan, on 29 September 2024.
It was announced in December 2024, that she would fight the unbeaten Ye-Kyeng Seo for the vacant WBA female minimumweight title at Korakuen Hall on 21 January 2025. Kuroki won the bout by unanimous decision with all three ringside judges scoring it 96-94.
Kuroki defended her title against Nanako Suzuki at Korakuen Hall on 26 June 2025, winning the contest via unanimous decision.
She faced WBO female minimumweight champion Sarah Bormann in a title unification bout at the Wandersbeker Sporthalle in Hamburg, Germany, on 18 October 2025. Kuroki lost by split decision with one judge awarding her the bout 97-93, but the other two seeing it 97-93 and 96-95 respectively for her opponent.
Professional boxing record
ResultRecordOpponentTypeRound, timeDateLocationNotes36Loss25–9–2Sarah BormannSD1018 Oct 202535Win25–8–2Nanako SuzukiUD1026 Jun 202534Win24–8–2Ye-Kyeng SeoUD1021 Jan 202533Win23–8–2Wisuta SririttidetTKO4 (8), 29 Sep 202432Loss22–8–2Eri MatsudaSD1012 Jan 202431Win22–7–2Monserrat AlarcónMD105 Aug 202330Win21–7–2Nanae SuzukiUD1030 Mar 202329Win20–7–2Nanae SuzukiUD101 Sep 202228Win19–7–2Sothita SitthichaiTKO2 (8), 28 May 202227Loss18–7–2Mizuki ChimotoMD87 Jun 202126Draw18–6–2Nao IkeyamaSD814 Apr 201925Loss18–6–1Saemi HanagataSD1029 Sep 201824Win18–5–1Momoko KandaUD817 Apr 201823Loss17–5–1Momo KosekiUD1017 Dec 201722Win17–4–1Mari AndoUD1018 Dec 201621Win16–4–1Norj GuroKO8 (10), 6 Jun 201620Win15–4–1Nancy FrancoUD1020 Dec 201519Win14–4–1Kanittha NinthimTKO3 (8)16 Aug 201518Win13–4–1Masae AkitayaUD109 May 201517Win12–4–1Katia Gutiérrez101 Nov 201416Win11–4–1Mari AndoUD1017 May 201415Win10–4–1Aisah AlicoTKO3 (8)16 Mar 201414Draw9–4–1Saemi Hanagata1013 Dec 201313Loss9–4Saemi HanagataUD824 Jun 201312Loss9–3Etsuko TadaUD103 Mar 201311Win9–2Mika OdaTKO2 (8)16 Nov 201210Win8–2Amara NaktakuUD1025 Dec 20119Win7–2Wassana KamdeeTKO4 (10), 8 Jul 20118Win6–2Kim Na-kyungTKO3 (8)8 May 20117Win5–2Liu Qi3 (6)26 Dec 20106Win4–2Rinks NakaharaUD417 Oct 20105Win3–2Liu DalinUD423 May 20104Win2–2Amy Berezowski2 (4)19 Dec 20093Loss1–2Naoko ShibataMD426 Jun 20092Win1–1Natsume Yokozeki45 Apr 20091Loss0–1Kumiko Nishida420 Dec 2008
References