Stefannie Arissa Koyama Judoka
Stefannie Arissa Koyama
Country: Brazil
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Born: 30 June 1995 (29 years)
Brazilian judoka Stefannie Arissa Koyama was born in the Gunma Prefecture in Japan Koyama won the Grand Slam in Baku in 2017. She had won bronze at the All Japan Judo Championships in Fukuoka in 2016 as well as the East Asian title. She fights for Brazil since 2017. Koyama's teammate was always Funa Tonaki at Teikyo university but switched to Brazil end of 2016. She won gold at the Grand Prix in Tbilisi in 2017.
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Match balance per year
| Year | Matches | Won | Lost | % won |
|---|---|---|---|---|
| 2017 | 19 | 13 | 6 | 68.4% |
| Total | 19 | 13 | 6 | 68.4% |
Head-to-heads
| Date | Opponent | Noc | Rnd | W/L | Type | Event | Cat | video |
|---|---|---|---|---|---|---|---|---|
| 16 Dec 2017 | Munkhbat, Urantsetseg | MGL | 3/5 | L | IJFMA | St. Petersburg | U48 | |
| 16 Dec 2017 | Clement, Melanie | FRA | 5/7 | W | IJFMA | St. Petersburg | U48 | |
| 16 Dec 2017 | Tonaki, Funa | JPN | 1/4 | L | IJFMA | St. Petersburg | U48 | |
| 16 Dec 2017 | Giliazova, Sabina | AIN | 1/8 | W | IJFMA | St. Petersburg | U48 | |
| 2 Dec 2017 | Clement, Melanie | FRA | 1/16 | L | GSL | Tokyo | U48 | |
| 28 Aug 2017 | Tonaki, Funa | JPN | 1/8 | L | WCh | Budapest | U48 | |
| 28 Aug 2017 | Ungureanu, Monica | ROU | 1/16 | W | WCh | Budapest | U48 | |
| 28 Apr 2017 | Perafan, Keisy | ARG | 3/5 | W | PanCH | Panama City | U48 | |
| 28 Apr 2017 | Carrillo, Edna | MEX | 1/2 | L | PanCH | Panama City | U48 | |
| 28 Apr 2017 | Godines Aleman, Vanesa | CUB | 1/4 | W | PanCH | Panama City | U48 | |
| 31 Mar 2017 | Cherniak, Maryna | UKR | final | W | GP | Tbilisi | U48 | |
| 31 Mar 2017 | Cesar, Taciana | GBS | 1/2 | W | GP | Tbilisi | U48 | |
| 31 Mar 2017 | Clement, Melanie | FRA | 1/4 | W | GP | Tbilisi | U48 | |
| 31 Mar 2017 | Renicks, Kimberley | GBR | 1/8 | W | GP | Tbilisi | U48 | |
| 10 Mar 2017 | Nikolic, Milica | SRB | final | W | GSL | Baku | U48 | |
| 10 Mar 2017 | Cesar, Taciana | GBS | 1/2 | W | GSL | Baku | U48 | |
| 10 Mar 2017 | Cherniak, Maryna | UKR | 1/4 | W | GSL | Baku | U48 | |
| 10 Mar 2017 | Gurbanli, Aisha | AZE | 1/8 | W | GSL | Baku | U48 | |
| 4 Mar 2017 | Bilodid, Daria | UKR | 1/16 | L | WCup | Prague | U48 | |
