Nikka Zajenkauskaite

Irish Jiu Jitsu Nationals 2026 2026-09-27

🥇 1st Junior Female Kimono / Grey / 10-11 years / -48 kg · 🥇 1st Junior Female Nogi / Grey / 10-11 years / -45 kg

Won vs Sarah White (Team Jr Bjj Club Felipe Gadelha)
Junior Female Nogi / Grey / 10-11 years / -45 kg · Round 2 · submission
Won vs Miller Dwyer (DAREDEVIL JIU JITSU)
Junior Female Kimono / Grey / 10-11 years / -48 kg · Round 3 · submission
Won vs Sofia Binderis (East Coast Jiu Jitsu Academy)
Junior Female Kimono / Grey / 10-11 years / -48 kg · Round 2 · submission
Won vs Ava-Lillie Doherty (SBG Ireland HQ)
Junior Female Kimono / Grey / 10-11 years / -48 kg · Round 1 · submission

The Shamrock Cup 2026 2026-09-19

🥈 2nd Girls Gi / Grey / Junior 3 / -48 kg · 🥇 1st Girls NoGi / Grey / Junior 3 / -46.90 kg

Won vs Kaidee Mccrystal (New Ground Jiu Jitsu Academy)
Girls NoGi / Grey / Junior 3 / -46.90 kg · Round 1 · submission
Lost vs Kaidee Mccrystal (New Ground Jiu Jitsu Academy)
Girls Gi / Grey / Junior 3 / -48 kg · Round 2 · submission
Won vs Aisha Khan (JSBJJ HQ)
Girls Gi / Grey / Junior 3 / -48 kg · Round 1 · points

NAGA Ireland Grappling Championship 2026-07-25

🥉 3rd Children No-Gi (Female) / Expert / 40 - 44.9 / 10-11 years · 🥉 3rd Children Gi (Female) / Expert / 40 - 44.9 / 10-11 years

Won vs Miller Dwyer (DAREDEVIL JIU JITSU)
Children Gi (Female) / Expert / 40 - 44.9 / 10-11 years · Round 1 · submission
Lost vs Pola Wójcik (D15 ACADEMY)
Children Gi (Female) / Expert / 40 - 44.9 / 10-11 years · Round 1 · submission
Lost vs Kaidee Mccrystal (New Ground Jiu Jitsu Academy)
Children No-Gi (Female) / Expert / 40 - 44.9 / 10-11 years · Round 3 · points
Lost vs Pola Wójcik (D15 ACADEMY)
Children No-Gi (Female) / Expert / 40 - 44.9 / 10-11 years · Round 1 · points

Emerald Cup 2026 2026-02-07

🥇 1st Girls Gi / Grey / -44 kg / Junior 3 · 🥈 2nd Girls NoGi / Grey / Junior 3 / -42.90 kg

Lost vs Kaidee Mccrystal (New Ground Jiu Jitsu Academy)
Girls NoGi / Grey / Junior 3 / -42.90 kg · Round 1 · submission
Won vs Kaidee Mccrystal (New Ground Jiu Jitsu Academy)
Girls Gi / Grey / -44 kg / Junior 3 · Round 2 · points
Won vs Daisy Andrews (Grappling University - Brazilian Jiu Jitsu)
Girls Gi / Grey / -44 kg / Junior 3 · Round 1 · submission

Dublin International Open 2025 2025-12-07

🥈 2nd Junior Female Kimono / Grey & WHite / 10-11 years / -40 kg · 🥇 1st Junior Female Nogi / Grey / 10-11 years / -40 kg

Won vs Kaidee Mccrystal (New Ground Jiu Jitsu Academy)
Junior Female Nogi / Grey / 10-11 years / -40 kg · Round 2 · submission
Won vs Sara Ziemann (Barròg jiu-jitsu)
Junior Female Nogi / Grey / 10-11 years / -40 kg · Round 1 · walkover
Lost vs Sara Ziemann (Barròg jiu-jitsu)
Junior Female Kimono / Grey & WHite / 10-11 years / -40 kg · Round 2 · disqualification

Irish Jiu Jitsu Nationals 2025 2025-09-28

🥇 1st Junior Female Kimono / Grey / 10-11 years / -40 kg · 🥇 1st Junior Female Nogi / Grey / 10-11 years / -40 kg

Won vs Sara Ziemann (Barròg jiu-jitsu)
Junior Female Nogi / Grey / 10-11 years / -40 kg · Round 1 · submission
Won vs Sara Ziemann (Barròg jiu-jitsu)
Junior Female Kimono / Grey / 10-11 years / -40 kg · Round 2 · submission
Won vs Ava-Lillie Doherty (SBG Ireland HQ)
Junior Female Kimono / Grey / 10-11 years / -40 kg · Round 1 · submission

Shamrock Cup- Ireland BJJ Invitational 2025-09-27

🥈 2nd Girls / Grey / -40 kg / Junior 2 · 🥈 2nd Girls NoGi / Grey / Junior 2 / -40.90 kg

Lost vs Ella Carey (Relentless Martial Arts)
Girls NoGi / Grey / Junior 2 / -40.90 kg · Round 2 · points
Won vs Sara Ziemann (Barròg jiu-jitsu)
Girls NoGi / Grey / Junior 2 / -40.90 kg · Round 1 · submission
Lost vs Kaidee Mccrystal (New Ground Jiu Jitsu Academy)
Girls / Grey / -40 kg / Junior 2 · Round 2 · points
Won vs Ella Carey (Relentless Martial Arts)
Girls / Grey / -40 kg / Junior 2 · Round 1 · points

GrappleCity: Connaught Summer Open 2025-06-29

🥇 1st Kids Gi / Grey / Kids 10-11 years / -40kg · 🥇 1st Kids NoGi / Grey / Kids 10-11 years / -40kg

Won vs Cailean O Malley (Tatakau Ju-Jitsu)
Kids NoGi / Grey / Kids 10-11 years / -40kg · Round 3 · submission
Won vs Sara Ziemann (Barròg jiu-jitsu)
Kids NoGi / Grey / Kids 10-11 years / -40kg · Round 1 · submission
Won vs Cailean O Malley (Tatakau Ju-Jitsu)
Kids Gi / Grey / Kids 10-11 years / -40kg · Round 2 · submission
Won vs Nawfal Azraai (37° Martial Arts)
Kids Gi / Grey / Kids 10-11 years / -40kg · Round 1 · submission

Irish BJJ Open 2025 2025-05-24

🥈 2nd Girls Gi / Grey / -37 kg / Junior 2 · 🥇 1st Girls NoGi / Grey / Junior 2 / -37.90 kg

Won vs Chloe Heffernan (Éire Grapple)
Girls NoGi / Grey / Junior 2 / -37.90 kg · Round 2 · walkover
Won vs Louisa Da Silva Lucas (JSBJJ HQ)
Girls NoGi / Grey / Junior 2 / -37.90 kg · Round 1 · submission
Lost vs Louisa Da Silva Lucas (JSBJJ HQ)
Girls Gi / Grey / -37 kg / Junior 2 · Round 2 · points
Won vs Eliza-Mae Oglesby (Kyuzo)
Girls Gi / Grey / -37 kg / Junior 2 · Round 1 · submission

NAGA London Grappling Championship 2025-03-15

🥇 1st Children No-Gi (Female) / Beginner / 35- 39.9 / 10-11 years · 🥈 2nd Children Gi (Female) / Beginner / 35 - 39.9 / 10-11 years

Lost vs Grace Pelosi (Roger Gracie Academy London)
Children Gi (Female) / Beginner / 35 - 39.9 / 10-11 years · Round 2 · points
Lost vs Grace Pelosi (Roger Gracie Academy London)
Children Gi (Female) / Beginner / 35 - 39.9 / 10-11 years · Round 1 · points
Won vs Grace Pelosi (Roger Gracie Academy London)
Children No-Gi (Female) / Beginner / 35- 39.9 / 10-11 years · Round 3 · points
Won vs Nina Jarczak (Roger Gracie Academy NORWAY)
Children No-Gi (Female) / Beginner / 35- 39.9 / 10-11 years · Round 2 · submission

The Emerald Cup 2025 2025-02-08

🥇 1st Girls / Grey / -37 kg / Junior 2 · 🥇 1st Girls NoGi / Grey / Junior 2 / -34.80 kg

Won vs Nicole Zubel (Holohan Martial Arts)
Girls NoGi / Grey / Junior 2 / -34.80 kg · Round 2 · submission
▶ Watch at 2:13:45
Won vs India Quinn (Holohan Martial Arts)
Girls NoGi / Grey / Junior 2 / -34.80 kg · Round 1 · submission
▶ Watch at 2:07:50
Won vs Louisa Da Silva Lucas (JSBJJ HQ)
Girls / Grey / -37 kg / Junior 2 · Round 1 · submission
▶ Watch at 1:16:00

Dublin International Open 2024 2024-12-08

🥈 2nd Junior Female Kimono / Grey / 10-11 years / -37 kg · 🥇 1st Junior Female Nogi / Grey / 10-11 years / -35 kg

Won vs Louisa Da Silva Lucas (JSBJJ HQ)
Junior Female Nogi / Grey / 10-11 years / -35 kg · Round 1 · submission
Lost vs Louisa Da Silva Lucas (JSBJJ HQ)
Junior Female Kimono / Grey / 10-11 years / -37 kg · Round 1 · points