(CNN) One fence down halfway, Edwina Tops-Alexander pulled out all the stops to become the first winner of the Longines Global Champions Tour Super Grand Prix in Prague.

The Australian won the Super Grand Prix with a second-round time of 61.08 seconds, less than half a second faster than German veteran Ludger Beerbaum and almost four seconds ahead of Dutch rider Frank Schuttert. All three riders had four penalties over two rounds.

"I really didn't think I had won it, and I couldn't see anything on the scoreboard," said Tops-Alexander.

"I had that fence down and I went inside into the triple and I thought 'My God, I have to jump clear now.' And after that, I just have to go for it,"

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