Player Directory
Saitama Seibu Lions
Hakua Iwaki
Hakua Iwaki
20
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ERA
ERA2.65
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strike out rate
K/910.06
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BB rate
BB/92.12
*FY2026
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position
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birthday
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age
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height
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body weight
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Birthplace
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Pitching and batting
left-handed pitcher / left-handed hitter
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Blood type
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Draft Year
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Biography
Toyama Commercial High School - Chuo University - Saitama Seibu Lions (2nd place '26~)
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Titles won
Videos
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05:27 05:27
【チ】チェコより愛をこめて【まとめるほどではないまとめ】
2026年05月17日(日) 20:55
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08:48 08:48
【カッチカチ勝ちパ】篠原響・岩城颯空『現世代も次世代も担う…若き二人が反撃許さぬ0安打リレー!!』
2026年05月17日(日) 20:28
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10:01 10:01
【シシシシュッ!!!】怒涛の7連勝『26歳・平良▶︎19歳・篠原▶︎22歳・岩城 …鉄壁の2安打完封リレー!!!』
2026年05月15日(金) 22:00
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11:10 11:10
ライオンズ・長谷川信哉選手・隅田知一郎投手・岩城颯空投手ヒーローインタビュー 5月8日 埼玉西武ライオンズ 対 東北楽天ゴールデンイーグルス
2026年05月08日(金) 20:40
![[Bottom of the 10th Inning] The Lions 'Hakua Iwaki strikes out the last struck out with fastball to earn his 8th save!! April 26, 2026 Tohoku Rakuten Golden Eagles vs. Saitama Seibu Lions](https://images.streaks.jp/plm/medias/f660e03c54424935b24e030c1ac98ef3/posters/84f52ed8-3110-473c-841e-6a31d60843d9.jpg)
![[H] The ideal boss who makes funny faces to encourage new employees...! [A summary that's not really worth summarizing]](https://i.ytimg.com/vi/zYujOmRTBGI/sddefault.jpg)
![[New Employees in the Spotless Mind] Lions' Rookie Battery: "In the final inning... they overcame a desperate situation!!! Iwaki and Kojima responded to the bench who watched over them until the very end!!!"](https://i.ytimg.com/vi/-XKfQbylswE/sddefault.jpg)
![[Sa] Avoid the worst scenery! [A summary that's not really worth summarizing]](https://i.ytimg.com/vi/SQi8xojG_Go/sddefault.jpg)
![[Top of the 9th Inning] He gets his first professional strike out!! The Lions 'Hakua Iwaki becomes the 7th player in history to get a save in his first professional appearance!! March 31, 2026 Saitama Seibu Lions vs. Orix Buffaloes The Buffaloes](https://images.streaks.jp/plm/medias/e37b60b5975a48a3a3b942ab3a02c98f/posters/beaeaae5-281e-494f-a90c-406a12ae3ad8.jpg)
![[Impressive First Year] Hakua Iwaki: "The rookie who brings a smile to Coach Toyoda's face... Today he pitched one inning with 12 pitches and retired the side in order, and has yet to give up a hit in 6 exhibition games!!"](https://i.ytimg.com/vi/TWKsSG8U43Y/sddefault.jpg)
![[Top of the 6th Inning] Rookie The Lions player Hakua Iwaki closer a great pitching performance, retiring the side in order!! March 17, 2026, Saitama Seibu Lions vs. Tohoku Rakuten Golden Eagles](https://images.streaks.jp/plm/medias/19d2f9d5260346f48e1cb5b9332f2d5b/posters/811bc6e1-3062-4527-acc8-e60e3ed73751.jpg)
![[Bottom of the 5th Inning] The Lions 'Hakua Iwaki delivers a magnificent pitching performance, striking out every batter for struck out inning!! March 10, 2026, Hanshin Tigers vs. Saitama Seibu Lions](https://images.streaks.jp/plm/medias/97d6c1e48f5f406fa14400e004011a90/posters/70c62879-b4ff-4d19-a13e-302ac32359a4.jpg)
![[Bottom of the 8th Inning] Rookie with high expectations!! The Lions 'Hakua Iwaki closer the last struck out with breaking ball!! March 5, 2026 Hokkaido Nippon-Ham Fighters vs. Saitama Seibu Lions](https://images.streaks.jp/plm/medias/e4eb81fb9b5541169d9da3ec614a33ce/posters/176bcae0-263f-4be5-b9e3-5929e4800980.jpg)
![[Bottom of the 6th Inning] Rookie with great potential shines!! The Lions 'Hakua Iwaki delivers a brilliant pitching performance, striking out three struck out!! March 1, 2026 Fukuoka Softbank Hawks vs. Saitama Seibu Lions](https://images.streaks.jp/plm/medias/3d7fd6f21f4e4c6a8140211dec264558/posters/5a662364-7099-4a93-be5c-0f20c35af81f.jpg)
![[Spring Training Camp] Draft Picks 1st and 2nd Round Rookie Showdown!! The Lions 'Taiga Kojima and Hakua Iwaki clash in LIVEBP!! February 15, 2026, Saitama Seibu Lions](https://images.streaks.jp/plm/medias/a9987bf262844d5fb11af04a973f26f3/posters/41d47408-a781-4210-9d88-8ce19ca37119.jpg)
![[Spring Training Camp] The Lions three rookie players, Taiga Kojima Hakua Iwaki, and Shun Akiyama, receive a sweet gift early!! February 12, 2026 Saitama Seibu Lions](https://images.streaks.jp/plm/medias/a7121f9f02e64b0582c403717be39635/posters/dbd8a755-7799-44b7-833a-28ddd50f0591.png)
![[Unbeatable Iwaki] Draft pick #2 rookie Hakua Iwaki: "My goal is to be an unbeaten pitcher and to play in the All-Star game held in my hometown of Toyama!"](https://img.youtube.com/vi/PWxbkh05deI/sddefault.jpg)
![[First day bullpen session] Draft pick #2 rookie Hakua Iwaki: "I gradually relaxed... and threw powerful pitches!"](https://img.youtube.com/vi/Yb3i_ajdiv4/sddefault.jpg)
![[Spring Training] The Lions second-round draft pick rookie, Hakua Iwaki enters bullpen from day one!! February 1, 2026, Saitama Seibu Lions](https://images.streaks.jp/plm/medias/c48e872ec210419cb529c3f7144a7807/posters/95bc993e-ae21-44b1-bd0f-e42ec4d284ae.png)
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