Japan at the 2023 World Aquatics Championships

Japan at the 2023 World Aquatics Championships
Flag of Japan
World Aquatics code	JPN
National federation	Japan Swimming Federation
Website	swim.or.jp (in Japanese)
in Fukuoka, Japan
Competitors	102 in 6 sports
Medals Ranked 4th	Gold 4 Silver 1 Bronze 5 Total 10
World Aquatics Championships appearances
1973 1975 1978 1982 1986 1991 1994 1998 2001 2003 2005 2007 2009 2011 2013 2015 2017 2019 2022 2023 2024 2025

Japan competed at the 2023 World Aquatics Championships in Fukuoka, Japan from 14 to 30 July. ^[1]

Medalists

Medal Name Sport Event Date  Gold Yukiko Inui Artistic swimming Women's solo technical routine July 15  Gold Tomoka Sato Yotaro Sato Artistic swimming Mixed duet technical routine July 16  Gold Moe Higa Mashiro Yasunaga Artistic swimming Women's duet technical routine July 16  Gold Yukiko Inui Artistic swimming Women's solo free routine July 19  Silver Moe Higa Moeka Kijima Uta Kobayashi Ayano Shimada Ami Wada Akane Yanagisawa Mashiro Yasunaga Megumu Yoshida Artistic swimming Team free routine July 21  Bronze Hiroki Ito Minami Itahashi Diving Mixed synchronized 10 metre platform July 15  Bronze Moka Fujii Hikari Suzuki Yotaro Sato Akane Yanagisawa Ikoi Hirota Megumu Yoshida Tomoka Sato Moeka Kijima Artistic swimming Team acrobatic routine July 17  Bronze Moe Higa Mashiro Yasunaga Artistic swimming Women's duet free routine July 20  Bronze Daiya Seto Swimming Men's 400 m individual medley July 23  Bronze Tomoru Honda Swimming Men's 200 m butterfly July 26

Medals by sport Sport Total Artistic swimming 4 1 2 7 Diving 0 0 1 1 Swimming 0 0 2 2

Athletes by discipline

The following is the list of number of competitors participating at the Championships per discipline.

Sport	Men	Women	Total
Artistic swimming	1	13	14
Diving	5	4	9
High diving	1	0	1
Open water swimming	4	4	8
Swimming	20	20	40
Water polo	15	15	30
Total	46	56	102

Artistic swimming

Main article: Artistic swimming at the 2023 World Aquatics Championships

Men

Athlete	Event	Preliminaries		Final
		Points	Rank	Points	Rank
Yotaro Sato	Solo free routine	167.7478	5 Q	167.9709	4

Women

Athlete	Event	Preliminaries		Final
		Points	Rank	Points	Rank
Yukiko Inui	Solo technical routine	273.2700	1 Q	276.5717
	Solo free routine	253.1853	1 Q	254.6062
Moe Higa Mashiro Yasunaga	Duet technical routine	215.2700	12 Q	273.9500
	Duet free routine	178.1583	11 Q	249.5167

Mixed

Athlete	Event	Preliminaries		Final
		Points	Rank	Points	Rank
Tomoka Sato Yotaro Sato	Duet technical routine	227.7200	3 Q	255.5066
	Duet free routine	Did not start
Moka Fujii Ikoi Hirota Moeka Kijima Tomoka Sato Yotaro Sato Hikari Suzuki Akane Yanagisawa Megumu Yoshida	Team acrobatic routine	224.5167	4 Q	220.5867
Moe Higa Moeka Kijima Tomoka Sato Ayano Shimada Ami Wada Akane Yanagisawa Mashiro Yasunaga Megumu Yoshida	Team technical routine	235.2972	7 Q	260.1055	4
Moe Higa Moeka Kijima Uta Kobayashi Ayano Shimada Ami Wada Akane Yanagisawa Mashiro Yasunaga Megumu Yoshida	Team free routine	293.4522	3 Q	317.8085

Diving

Main article: Diving at the 2023 World Aquatics Championships

Japan entered 9 divers. ^[2]

Men

Athlete	Event	Preliminaries		Semifinals		Final
		Points	Rank	Points	Rank	Points	Rank
Shu Ohkubo	10 m platform	336.65	29	Did not advance
Rikuto Tamai	1 m springboard	298.60	31	—N/a		Did not advance
	10 m platform	404.50	12 Q	427.70	7 Q	Withdrew
Haruki Suyama	3 m springboard	365.60	24	Did not advance
Yuto Araki Haruki Suyama	3 m synchro springboard	359.04	8 Q	—N/a		375.90	7

Women

Athlete	Event	Preliminaries		Semifinals		Final
		Points	Rank	Points	Rank	Points	Rank
Matsuri Arai	10 m platform	314.10	7 Q	313.95	7 Q	288.85	11
Haruka Enomoto	3 m springboard	232.80	34	Did not advance
Sayaka Mikami		316.05	2 Q	340.55	3 Q	305.25	7
Matsuri Arai Minami Itahashi	10 m synchro platform	289.32	6 Q	—N/a		284.76	5

Mixed

Athlete	Event	Final
		Points	Rank
Hiroki Ito Minami Itahashi	10 m synchro platform	305.34

High diving

Main article: High diving at the 2023 World Aquatics Championships

Athlete	Event	Points	Rank
Kyohei Arata	Men's high diving	222.65	20

Open water swimming

Main article: Open water swimming at the 2023 World Aquatics Championships

Japan entered 8 open water swimmers. ^{[3] [4]}

Men

Athlete	Event	Time	Rank
Riku Ezawa	Men's 5 km	59:40.6	40
Kaiki Furuhata	Men's 10 km	1:54:07.7	22
Taishin Minamide	Men's 10 km	1:54:12.6	28
Kaito Tsujimori	Men's 5 km	58:17.2	37

Women

Athlete	Event	Time	Rank
Airi Ebina	Women's 10 km	2:05:08.4	28
Ichika Kajimoto	Women's 5 km	1:00:56.4	14
Hanano Kato	Women's 10 km	2:07:26.4	33
Miku Kojima	Women's 5 km	1:02:28.8	35

Mixed

Athlete	Event	Time	Rank
Airi Ebina Kaiki Furuhata Ichika Kajimoto Kaito Tsujimori	Team relay	1:13:38.5	7

Swimming

Main article: Swimming at the 2023 World Aquatics Championships

Japan entered 39 swimmers. ^[5]

Men

Athlete	Event	Heat		Semifinal		Final
		Time	Rank	Time	Rank	Time	Rank
Yuya Hinomoto	50 m breaststroke	27.35	15 Q	27.25	11	Did not advance
Tomoru Honda	200 m butterfly	1:54.21	1 Q	1:54.43	5 Q	1:53.66
	400 m individual medley	4:16.71	14	—N/a		Did not advance
Ryosuke Irie	50 m backstroke	25.11	16 Q	25.21	15	Did not advance
	100 m backstroke	53.98	18	Did not advance
Takeshi Kawamoto	50 m backstroke	25.05	13 Q	25.14	14	Did not advance
	50 m butterfly	23.79	35	Did not advance
Katsuhiro Matsumoto	100 m freestyle	48.58	21	Did not advance
	200 m freestyle	1:46.44	8 Q	1:45.97 1:46.37	8 SO 2	Did not advance
	100 m butterfly	51.48	10 Q	51.16	7 Q	51.20	6
Naoki Mizunuma	50 m butterfly	23.75	33	Did not advance
	100 m butterfly	51.93	19	Did not advance
Teppei Morimoto	200 m butterfly	1:55.72	10 Q	1:55.36	10	Did not advance
Katsumi Nakamura	50 m freestyle	22.21	27	Did not advance
So Ogata	200 m individual medley	1:57.88	3 Q	1:57.06	5 Q	1:57.82	8
Shoma Sato	200 m breaststroke	2:11.03	15 Q	2:10.72	14	Did not advance
Daiya Seto	200 m individual medley	1:57.80	2 Q	1:57.15	6 Q	1:56.70	6
	400 m individual medley	4:10.89	3 Q	—N/a		4:09.41
Shinri Shioura	50 m freestyle	22.15	23	Did not advance
Hidekazu Takehara	200 m backstroke	1:58.46	16 Q	1:58.10	14	Did not advance
Ippei Watanabe	100 m breaststroke	1:00.28	17	Did not advance
	200 m breaststroke	2:10.11	8 Q	2:09.50	8 Q	2:08.78	6
Daiki Yanagawa	200 m backstroke	1:58.14	13 Q	1:57.23	7 Q	1:58.75	8
Katsuhiro Matsumoto Masahiro Kawane Tomonobu Gomi Katsumi Nakamura	4 × 100 m freestyle relay	3:14.84	13	—N/a		Did not advance
Hidenari Mano Katsuhiro Matsumoto Taikan Tanaka Fuyu Yoshida	4 × 200 m freestyle relay	7:08.70	9	—N/a		Did not advance
Ryosuke Irie Ippei Watanabe Naoki Mizunuma Katsuhiro Matsumoto	4 × 100 m medley relay	3:32.36	7 Q	—N/a		3:32.58	6

Women

Athlete	Event	Heat		Semifinal		Final
		Time	Rank	Time	Rank	Time	Rank
Reona Aoki	100 m breaststroke	1:06.61	10 Q	1:06.32	9	Did not advance
Hanane Hironaka	200 m backstroke	2:12.57	17	Did not advance
Rikako Ikee	50 m freestyle	25.27	20	Did not advance
	100 m freestyle	54.67	16 Q	54.86	15	Did not advance
	50 m butterfly	25.50	3 Q	25.72	5 Q	25.78	7
	100 m butterfly	58.61	17	Did not advance
Nagisa Ikemoto	200 m freestyle	1:59.23	22	Did not advance
Runa Imai	200 m breaststroke	2:25.27	8 Q	2:24.68	9	Did not advance
Waka Kobori	400 m freestyle	4:07.48	10	—N/a		Did not advance
	800 m freestyle	8:29.54	11	—N/a		Did not advance
Hiroko Makino	200 m butterfly	2:09.03	8 Q	2:08.40	9	Did not advance
Airi Mitsui	200 m butterfly	2:08.54	6 Q	2:07.51	7 Q	2:07.15	5
Yukimi Moriyama	1500 m freestyle	16:18.66	13	—N/a		Did not advance
Miyu Namba	400 m freestyle	4:10.23	16	—N/a		Did not advance
	800 m freestyle	8:34.62	16	—N/a		Did not advance
Mio Narita	200 m individual medley	2:11.69	15 Q	2:12.24	12	Did not advance
	400 m individual medley	4:38.05	3 Q	—N/a		4:42.14	8
Yui Ohashi	200 m individual medley	2:10.80	9 Q	2:10.32	5 Q	2:11.27	6
Rio Shirai	100 m backstroke	1:00.83	19	Did not advance
	200 m backstroke	2:11.24	13 Q	2:12.45	14	Did not advance
Ai Soma	50 m butterfly	25.96	8 Q	26.18	15	Did not advance
	100 m butterfly	58.17	13 Q	58.27	14	Did not advance
Satomi Suzuki	50 m breaststroke	30.29	5 Q	30.33	8 Q	30.44	7
	100 m breaststroke	1:06.20	5 Q	1:06.31	8 Q	1:06.67	8
Miki Takahashi	50 m backstroke	27.84	7 Q	28.13	14	Did not advance
Ageha Tanigawa	400 m individual medley	4:40.21	9	—N/a		Did not advance
Rikako Ikee Nagisa Ikemoto Yume Jinno Rio Shirai	4 × 100 m freestyle relay	3:37.71	8 Q	—N/a		3:38.61	8
Rio Shirai Nagisa Ikemoto Chihiro Igarashi Kinuko Mochizuki	4 × 200 m freestyle relay	7:57.22	9	—N/a		Did not advance
Rio Shirai Satomi Suzuki Ai Soma Rikako Ikee Reona Aoki	4 × 100 m medley relay	3:58.58	8 Q	—N/a		3:58.02	6

Mixed

Athlete	Event	Heat		Final
		Time	Rank	Time	Rank
Tomonobu Gomi Katsumi Nakamura Nagisa Ikemoto Yume Jinno	4 × 100 m freestyle relay	3:26.47	6 Q	3:26.96	7
Ryosuke Irie Ippei Watanabe Ai Soma Rikako Ikee	4 × 100 m medley relay	3:44.79	7 Q	3:45.33	7

Water polo

Main article: Water polo at the 2023 World Aquatics Championships

Summary

Team	Event	Group stage				Playoff	Quarterfinal	Semifinal	Final / BM
		Opposition Score	Opposition Score	Opposition Score	Rank	Opposition Score	Opposition Score	Opposition Score	Opposition Score	Rank
Japan	Men's tournament	Hungary L 8–16	Argentina W 20–9	Croatia L 12–17	3 QP	Serbia L 10–16	—N/a	Australia L 15–16	Canada W 23–11	11
Japan	Women's tournament	New Zealand L 16–17	Hungary L 21–26	Canada L 12–17	4	—N/a	—N/a	Argentina W 21–11	China L 10–18	14

Men's tournament

Main article: Water polo at the 2023 World Aquatics Championships – Men's tournament

Team roster

The following is the Japanese roster. ^[6]

Head coach: Yoshinori Shiota

• 1 Katsuyuki Tanamura GK
• 2 Seiya Adachi FP
• 3 Taiyo Watanabe FP
• 4 Daichi Ogihara FP
• 5 Ikkei Nitta FP
• 6 Toi Suzuki FP
• 7 Kiyomu Date FP
• 8 Mitsuru Takata FP
• 9 Atsushi Arai FP
• 10 Yusuke Inaba FP
• 11 Keigo Okawa FP
• 12 Kenta Araki FP
• 13 Towa Nishimura GK
• Masayuki Yamamoto FP
• Ren Sasano FP

Group play

Pos	Team v t e	Pld	W	PSW	PSL	L	GF	GA	GD	Pts	Qualification
1	Hungary	3	3	0	0	0	49	31	+18	9	Quarterfinals
2	Croatia	3	2	0	0	1	51	29	+22	6	Playoffs
3	Japan (H)	3	1	0	0	2	40	42	−2	3
4	Argentina	3	0	0	0	3	27	65	−38	0

Source: Sportresult
Rules for classification: 1) points; 2) head-to-head points; 3) head-to-head goal difference; 4) head-to-head number of goals scored; 5) Goal difference.
(H) Host

17 July 2023 19:00	Report	Hungary	16–8	Japan	Marine Messe Fukuoka, Fukuoka Referees: Zhang Liang (CHN), Nicola Johnson (AUS)
		Score by quarters: 4–4, 3–2, 3–1, 6–1
		Jansik, Zalánki 4	Goals	Suzuki, Takata 2

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19 July 2023 19:00	Report [ dead link ]	Japan	20–9	Argentina	Marine Messe Fukuoka, Fukuoka Referees: Zhang Liang (CHN), Darren Spiritsanto (USA)
		Score by quarters:6–1, 4–2, 4–2, 6–4
		Watanabe 5	Goals	Martino 3

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21 July 2023 19:00	Report	Croatia	17–12	Japan	Marine Messe Fukuoka, Fukuoka Referees: Georgios Stavridis (GRE), Michiel Zwartt (NED)
		Score by quarters:4–3, 3–3, 8–3, 2–3
		Kharkov 4	Goals	Adachi 4

Playoffs

23 July 2023 18:30	Report	Japan	10–16	Serbia	Marine Messe Fukuoka, Fukuoka Referees: Tamás Kovács-Csatlós (HUN), Veselin Mišković (MNE)
		Score by quarters: 3–3, 2–3, 2–7, 3–3
		Inaba 4	Goals	Radulović, Rašović 3

9–12th place semifinals

25 July 2023 13:30	Report	Australia	16–15	Japan	Marine Messe Fukuoka, Fukuoka Referees: David Gómez (ESP), Darren Spiritsanto (USA)
		Score by quarters:5–3, 4–7, 4–3, 3–2
		Pavillard 4	Goals	Adachi, Takata 4

Eleventh place game

27 July 2023 09:00	Report	Canada	11–23	Japan	Marine Messe Fukuoka, Fukuoka Referees: Vojin Putniković (SRB), Darren Spiritosanto (USA)
		Score by quarters: 3–6, 3–6, 2–8, 3–3
		Djerkovic 3	Goals	Inaba 5

Women's tournament

Main article: Water polo at the 2023 World Aquatics Championships – Women's tournament

Team roster

The following is the Japanese roster. ^[7]

Head coach: Yoji Omoto

• 1 Minami Shioya GK
• 2 Yumi Arima FP
• 3 Akari Inaba FP
• 4 Eruna Ura FP
• 5 Kako Kawaguchi FP
• 6 Hikaru Shitara FP
• 7 Ai Sunabe FP
• 8 Eri Kitamura FP
• 9 Yuka Yamai FP
• 10 Fuka Nishiyama FP
• 11 Momoe Inoue FP
• 12 Kyoko Kudo FP
• 13 Yuka Kawatashiro GK
• Manami Noda FP
• Kiyoka Goto FP

Group play

Pos	Team v t e	Pld	W	PSW	PSL	L	GF	GA	GD	Pts	Qualification
1	Hungary	3	3	0	0	0	60	36	+24	9	Quarterfinals
2	Canada	3	2	0	0	1	40	34	+6	6	Playoffs
3	New Zealand	3	1	0	0	2	33	52	−19	3
4	Japan (H)	3	0	0	0	3	49	60	−11	0

Source: Sportresult
Rules for classification: 1) points; 2) head-to-head points; 3) head-to-head goal difference; 4) head-to-head number of goals scored; 5) Goal difference.
(H) Host

16 July 2023 19:00	Report	New Zealand	17–16	Japan	Marine Messe Fukuoka, Fukuoka Referees: Jennifer McCall (USA), Matan Schwartz (ISR)
		Score by quarters: 5–5, 4–3, 4–5, 4–3
		Doyle 5	Goals	Ura 5

---

18 July 2023 19:00	Report	Japan	21–26	Hungary	Marine Messe Fukuoka, Fukuoka Referees: Matan Schwartz (ISR), Frank Ohme (GER)
		Score by quarters: 4–5, 6–8, 5–7, 6–6
		Arima 7	Goals	Hajdú 5

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20 July 2023 19:00	Report	Canada	17–12	Japan	Marine Messe Fukuoka, Fukuoka Referees: Adil Aimbetov (KAZ), Nicola Johnson (AUS)
		Score by quarters:5–1, 3–3, 5–4, 4–4
		Lemay-Lavoie 5	Goals	Arima, Kawaguchi 4

13–16th place semifinals

22 July 2023 10:30	Report [ dead link ]	Argentina	11–21	Japan	Marine Messe Fukuoka, Fukuoka Referees: Alessia Ferrari (ITA), Lee-Anne Stewart (RSA)
		Score by quarters: 0–8, 3–4, 5–4, 3–5
		Bacigalupo 3	Goals	Arima, Nishiyama 4

13th place game

24 July 2023 10:30	Report	China	18–10	Japan	Marine Messe Fukuoka, Fukuoka Referees: Adil Aimbetov (KAZ), Lee-Anne Stewart (RSA)
		Score by quarters:4–3, 5–3, 4–3, 5–1
		Lu, Yan J. 3	Goals	Ura 3

References

1. "Competition Athletes | FINA Official". FINA - Fédération Internationale De Natation.
2. "20th World Aquatics World Championships Diving Entry List" (PDF). Omega Timing. 12 July 2023. Retrieved 12 July 2023.
3. "20th World Aquatics World Championships Open Water Swimming Entry List - Men" (PDF). Omega Timing. 12 July 2023. Retrieved 12 July 2023.
4. "20th World Aquatics World Championships Open Water Swimming Entry List - Women" (PDF). Omega Timing. 12 July 2023. Retrieved 12 July 2023.
5. "20th World Aquatics World Championships Swimming Entry List" (PDF). Omega Timing. 23 July 2023. Retrieved 23 July 2023.
6. "20th World Aquatics World Championships Men's Water Polo Team Roster JPN" (PDF). waterpolo.sportresult.com. Omega Timing. 15 July 2023. Archived from the original (PDF) on 16 July 2023. Retrieved 16 July 2023.
7. "20th World Aquatics World Championships Women's Water Polo Team Roster JPN" (PDF). waterpolo.sportresult.com. Omega Timing. 15 July 2023. Archived from the original (PDF) on 16 July 2023. Retrieved 16 July 2023.