Early life Roberto Francisco Jimenez was born on 19 May 2000 in
Miami, Florida, the son of
Ecuadorian parents. In 2016 he was invited to compete at
Royal Invitational – The Future of Jiu-Jitsu, his first pro tournament, while he was the youngest competitor he won all his fights via submission. Jimenez became known for defeating black and brown belts in tournaments such as
Fight to Win Europa 2016 where he submitted featherweight black belt
Lucas Pinheiro. At purple belt trained by his father and
Lucas Lepri, he became 2018 IBJJF World champion in the adult division after submitting all his opponents, winning double gold in his weight and in openweigh after defeating MMA fighter
Mason Fowler in the final. In August 2018, he was promoted to brown belt level by his father and
Romero Jacare Cavalcanti during an Alliance Seminar. In 2019 he became
World No-Gi Champion in Absolute, winning silver in his weight class,
Pan No-Gi Champion, winning also double gold at the American Nationals (both Gi and No-Gi). On 8 February 2020 Jimenez made his black belt debut at FloGrappling's Who's No. 1 where he defeated against all odds,
BJJ grand slam champion
Keenan Cornelius 6–4. In July 2020 he entered Third Coast Grappling (3CG) an invitational tournament, at
3CG Kumite III Jimenez defeated
Tye Ruotolo in first round on points. At
3CG Kumite V Jimenez submitted
WNO 155 lb champion
Kade Ruotolo in the semi-final, before winning the final against his brother Tye Ruotolo again. In October 2020 Jimenez lost to
Craig Jones at
WNO 4 then defeated
Dante Leon at the December 2020 edition of the tournament via 1 Round Decision. In February 2021at WNO co-main event, he lost to
Gordon Ryan, replacing his brother Nicky Ryan who pulled out due to injury. Jimenez submitted four opponents in June 2021 to win
Eddie Bravo’s
Combat Jiu-Jitsu Worlds
welterweight title. At Polaris Squads 3 in August 2021 Jimenez was a member of Team USA who won the tournament. After winning the
2022 ADCC South America Trials, Jimenez entered the 77 kg division of the
2022 ADCC World Championship where he won his first match submitting Andy Varela then lost to future ADCC champion
Kade Ruotolo. At
Polaris 19 in March 2022 he defeated Magid Hage via
rear naked choke submission.
2022-2023 In November 2022, Jimenez won the eight-man bracket
Polaris 22 middleweight grand prix after submitting two of three opponents. His submission win over Hunter Colvin at the event was awarded with 'Match of the Year' at the 2022 JitsMagazine BJJ Awards. In February 2023, Jimenez entered the IBJJF London Open, winning the gi and no gi heavyweight division, the no gi absolute division, and getting a silver medal in the gi absolute division. He also competed at the IBJJF Miami Open on April 29 and 30, 2023, winning gold medals in the gi and no gi heavyweight division and the absolute division. Jimenez then competed at the IBJJF Houston International Open on May 13 and 14, 2023 where he won gold medals in both the gi and no gi heavyweight divisions, and a bronze medal in the no gi absolute division. Jimenez was then invited to compete in an absolute tournament at UFC Fight Pass Invitational 4 on June 29, 2023. He lost to the eventual winner
Nick Rodriguez in the opening round. Jimenez competed in an 8-man tournament at Blue Collar FC: American Dream Conference on September 1, 2023. He submitted his first two opponents but lost to
Giancarlo Bodoni in the final. Jimenez competed in an 8-man absolute grand prix tournament at
Polaris 25 on September 30, 2023. He lost in the opening round to Izaak Michell. He then competed at the
IBJJF No-Gi World Championship 2023, where he won the absolute division and earned a bronze medal in the heavyweight division.
2024 Jimenez will compete in the IBJJF No Gi Absolute Grand Prix on February 29, 2024. Jimenez competed against
Nick Rodriguez in the co-main event of
UFC Fight Pass Invitational 6 on March 3, 2024. He lost the match on points. Jimenez represented Team Kasai in the under 91kg division at the AIGA Champions League Brazil Qualifier 2024 on May 23-25. He won all three of his matches and Team Kasai won the tournament. Jimenez was due to compete in the
2024 ADCC World Championship but he withdrew from the event in order to enter the under 80kg division of the
Craig Jones Invitational on August 16-17, 2024. He was submitted by Levi Jones-Leary in the opening round. Jimenez competed against
Kaynan Duarte in the main event of Who's Number One 25 on December 4, 2024. He lost the match by decision.
2025 Jimenez faced Elder Cruz at Who's Number One 26 on February 7th, 2025. He won the match by submission. He then won silver medals in both the heavyweight and absolute divisions of the
IBJJF Pan Championship 2025. Jimenez came in as a late-replacement in the middleweight grand prix at BJJ Stars 15 on April 26, 2025. He won his first two matches before losing to
Mica Galvão in the final. Jimenez represented Team Kasai at the AIGA Champions League finals 2025, going 2-1 as Team Kasai won the event. Jimenez then defeated Bruno Lima on points to win the under 85 kg title at ACBJJ 16 on June 19, 2025. Jimenez faced Ryan Aitken at Who's Number One 29 on July 25, 2025. He won the match by decision. == Championships and accomplishments ==