The midfielder, 25, has missed 75 per cent of his country's fixtures in the last two years due to injuries and signed as a free transfer.
Waiting game: Wigan boss Steve Bruce is hopeful 25-year-old South Korean recruit Cho Won-hee will prove to be a useful addition at the JJB Stadium
Bruce said: 'He's had his medical and it looks as though his work permit will be granted.
'We have a deal in place that lasts to the end of the season, then a two-year contract ready.'
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