Rikishi Profile
Basic Information
                    | Yoshii Ko | |
| Stable | Tokitsukaze | 
|---|---|
| Name | Ko Yoshii | 
| Ring Name | Yoshii | 
| Current Rank | Makushita #6 | 
| Birthday | August 1, 2003 | 
| Birthplace | Shizuoka | 
| Height | 179.3cm | 
| Weight | 176.3kg | 
| Signature Maneuver | hidari-yotsu/yori, oshi | 
Awards Won
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- 0
 
 - 
                    

- 0
 
 - 
                    

- 1
 
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- 0
 
 - 
                    

- 0
 
 - 
                    

- 0
 
 - 
                    

- 0
 
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- 0
 
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- 0
 
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- 0
 
 
- Career Record:
 - 147-112-7
 - Makuuchi Records:
 - 0-0
 
as of November 2025
Most-Used Winning Techniques
- 
                    
- yorikiri
 - 41%
 
 - 
                    
- oshidashi
 - 27%
 
 - 
                    
- hatakikomi
 - 14%
 
 - 
                    
- etc
 - 18%
 
 
22wins 42matches
Tournament Records
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | |
| 
                         
                            
                                2025 November                            
                             
                    West Makushita #6 Yoshii Ko 0-0  | 
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| 
                         
                            
                                2025 September                            
                             
                    West Makushita #8 Yoshii Ko 4-3  | 
                    |||||||||||||||
| Kazuto | Seihakuho | Fukuzaki | Chiyomaru | Satorufuji | Nagamura | Matsui | |||||||||
| 
                         
                            
                                2025 July                            
                             
                    East Makushita #18 Yoshii Ko 5-2  | 
                    |||||||||||||||
| Daikosho | Nobehara | Tenshoho | Seihakuho | Narutaki | Daikisho | Kazuto | |||||||||
| 
                         
                            
                                2025 May                            
                             
                    West Makushita #33 Yoshii Ko 5-2  | 
                    |||||||||||||||
| Mishima | Daikosho | Tosamidori | Toshunryu | Daishomaru | Hokutenkai | Seihakuho | |||||||||
| 
                         
                            
                                2025 March                            
                             
                    West Makushita #41 Yoshii Ko 4-3  | 
                    |||||||||||||||
| Nionoumi | Chiyoraizan | Daishomaru | Kotodaigo | Tochiseiryu | Tendozan | Kazuto | |||||||||
| 
                         
                            
                                2025 January                            
                             
                    West Makushita #18 Yoshii Ko 1-6  | 
                    |||||||||||||||
| Asakoki | Mita | Obara | Asahakuryu | Kaiseijo | Kamito | Yutakasho | 
- ○・・・win
 - ●・・・lose
 - □・・・win by default
 - ■・・・lose by default
 - a・・・absent・No efforts
 - ×・・・draw
 - △・・・draw due to injury
 - R・・・Retired
 
- The ring name used at the time is being displayed.
 
Rankings for the Past Year
- 
                        
                        - Makushita #18
 - January
 
 - 
                        
                        - Makushita #41
 - March
 
 - 
                        
                        - Makushita #33
 - May
 
 - 
                        
                        - Makushita #18
 - July
 
 - 
                        
                        - Makushita #8
 - September
 
 - 
                        
                        - Makushita #6
 - November
 
 
- Debut
 - March, 2019
 - Highest Rank
 - Makushita #3
 
Stablemates
 west maegashira #5Shodai  | 
                Tokitsukaze  | 
            
 west maegashira #14Tokihayate  | 
                Tokitsukaze  | 
            
Rikishi from Shizuoka Prefecture
 East Maegashira #6Atamifuji  | 
                Shizuoka  | 
            
 East Maegashira #9Midorifuji  | 
                Shizuoka  | 
            
                    


    
west maegashira #5
west maegashira #14
East Maegashira #6
East Maegashira #9
East Maegashira #1
East Juryo #2
West Juryo #13
West Juryo #14