Krastanov won gold at July's Grand Prix in Madrid
British wrestlers Krasimir Krastanov and Yana Stadnik have finished fifth in their respective competitions at the World Championships in Denmark.
Bulgarian-born Krastanov came fifth in the 55 kilogram freestyle tournament after losing out 5-3 to Ridzan Gadzhiev in the bronze medal match.
Stadnik, 22, who was born in Ukraine, lost to her Azerbaijan sister-in-law Mariya Stadnyk in the 48kg division.
"They are both fantastic achievements," said GB Wrestling chief Malcolm Morley.
Krastanov had lost to the eventual gold medal winner Kyong Il-yan of North Korea in the round of 16, but by virtue of losing to the eventual champion, he was able to compete for one of the two bronze medals.
He went on to beat Naranbaatar Bayaraa of Mongola and Mykola Aivazian of Ukraine, before losing to Gadzhiev.
"Obviously we're disappointed that Krasi couldn't go that one step further, but he put in a fantastic display, and we're very proud of him," added Morley.
Stadnik, who lives in Manchester, defeated opponents from India, Tunisia and Canada before losing to the eventual gold medallist.
Ukraine-born Stadnik has lived in England for two years
"We're very proud of her, and it's a great boost for British wrestling, and I am sure her success will rub off on the rest of the GB international squad," said Morley.
Leon Rattigan went out in controversial fashion after a farcical finish to his 96kg contest with Germany's Oldrik Wagner.
Rattigan was declared the winner but, following protests from Wagner's corner, was made to fight an extra round.
"It was complete farce and a real sickener for Leon," said Morley. "He's devastated he didn't make it to the last eight.
"Essentially he was winning his match and when the whistle went to signal the end of it, he stopped wrestling, but Wagner didn't and scored two points to tie the scores.
"The Germans then protested that they hadn't heard the whistle amid the noise of the spectators, and though Leon's arm was raised to signal a victory, Wagner was awarded the points, and Leon was made to fight a decisive third round.
"He was so down after all the kerfuffle, Wagner got the better of him and took the victory - but it was pure farce, and I really feel for him."
Michael Grundy made it through to the second round in the men's 74kg division, while in the 60kg, Jatinder Rakhra was beaten by Russia's Besik Kudukhov, who would go on to win gold, in the first round, and then lost his first round match in the repechage.