The 18-year-old has been training with Portsmouth for several weeks and was handed an opportunity to impress in the 2-0 Central League Cup defeat at Privett Park.
The midfielder played 63 minutes, before being replaced by Dan Smith in Mikey Harris’ side.
Karagozlu has featured three times for Evo-Stik League South Premier
side Kings Langley this season.
He joined Kings Langley from Cockfosters during the summer.
Picture: Colin Farmery
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