Edmund is the first British man other than Murray to reach last four of the Australian Open since 1977.
There were two large shocks on day eight of the Australian Open with Novak Djokovic, despite recovering a number of break deficits, succumbing to Hyeon Chung in straight sets, while our recommendation, Tennys Sandgren, not only covered the +2.5 set handicap - let's not forget, he was an underdog just to achieve that - but beat Dominic Thiem in five sets, coming back from heartbreak after spurning a match point in set four. A flurry of errors from the Edmund racket gifted Dimitrov a break and he duly capitalized.
"It's an awesome feeling".
Kyle Edmund started the much brighter of the two, breaking in the opening game.
But Dimitrov hit a flat spot and gave up a break with a double fault in the eighth game and Edmund seized the third set with a strong serve. After the pair exchanged breaks, Edmund made his decisive move with a thumping forehand return to breach the Bulgarian's serve a second time. But Edmund struck again in the ninth game after a HawkEye review showed a Dimitrov shot to have fallen roughly a nanometre wide of the sideline.
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He got to 15-40, and although the Bulgarian saved one break point, he could not salvage the second.
With another British Grand Slam semi-finalist Tim Henman watching on in the stands, 23-year-old Edmund troubled Dimitrov with his powerful forehand and serve.
Edmund would compete against the best youngsters in south Leeds to play in tournaments against top players from the John Charles Centre for Sport.
Edmund's coach Fredrik Rosengren had said he would tell him that feeling extra nerves before such a big match was normal. The better you do, the more attention you get. The notable improvements, however, have come across the rest of his game. On top of that, Edmund is beginning to see improvements in his serve, another previous area of criticism given his 6ft2 height.
The Britain won 6-4, 3-6, 6-3, 6-4 to set up a semi final clash with either Rafael Nadal or Marin Cilic on Thursday. "But going forward I do believe that at some stage he's going to have to make that call but, like I said, it's going to have to be his call and I believe he's got to be that person to reach out to that person, instead of the agents and the managers". If he keeps playing like this, then there is no reason that he can't.