The duo had headed into the invite-only competition, featuring the top 16 judokas in the each weight divisions, boasting an identical record of eight wins in their 16 meetings to date.

Having both progressed to the final, Harrison laid down a marker ahead of the Rio 2016 Olympic Games by taking the lead in the contest through a yuko, before forcing her opponent to submit to seal the victory.

Two waza-ari scores from Natalie Powell saw her win bronze against China’s Zhehui Zhang, with the result moving her into the top eight judokas in the Olympic qualification list.

The result could prove pivotal in her chances of reaching Rio 2016 ahead of team-mate and London 2012 silver medallist Gemma Gibbons, who fell to a yuko defeat to The Netherlands’ Guusje Steenhuis.

Cuba’s Idalys Ortiz will is another reigning Olympic champion who will head to Rio 2016 fresh from earning a World Judo Masters title.

The 26-year-old led her contest with China’s Sisi Ma by a waza-ari in the over 78kg final, before holding her opponent down for 15 seconds to seal the triumph.

Japan’s Kanae Yamabe and Bosnia’s Larisa Ceric earned bronze medals in the division by recording ippon victories over Ukraine’s Svitlana Iaromka and Tunisia’s Nihel Cheikh Rouhou respectively.

Men’s under 100kg world number one Elmar Gasimov boosted his hopes of success at Rio 2016 by securing the top seeding at the Games by beating France’s Cyrille Maret.

The Azerbaijani star triumphed after three minutes of the final, eventually defeating his opponent with an ippon.

Sweden’s Martin Pacek clinched the first bronze medal by earning two waza-ari scores against Cuba’s Jose Armenteros, with the result seeing him earn a seeding position at the Olympic Games.

Lukas Krpalek completed the podium positions as the Czech judoka defeated Lyes Bouyacoub with two waza-aris.

Japan’s Mashu Baker earned his first masters crown by earning a golden score victory over Russia’s Khusen Khalmurzaev in the men’s under 90kg event.

The first bronze medal was claimed by Sweden’s Marcus Nyman, after Greece’s Ilias Iliadis was unable to compete due to injury.

Slovenia’s Mihael Zgank secured the final bronze in the division with a shido penalty triumph over France’s Axel Clerget

A dominant performance saw Daniel Natea claim gold in the men’s over 100kg division, as the Romanian earned four contests by ippon, including the final against Israel’s Or Sasson.

The Netherlands’ Roy Meyer earned an ippon win over Azerbaijan’s Ushangi Kokauri to win the first bronze, while Japan’s Hisayoshi Harasawa won the second minor medal due to Hungary’s Barna Bor being forced to withdraw through injury.

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