Rochus outlasted Tomaz Bellucci of Brazil 7-6 (4), 4-6, 6-3 to reach Sunday's final at Royal Tennis Hall.
Soderling has been bothered by a sore right elbow since July, when he withdrew from the quarterfinals in Washington.
Story continues below ↓advertisement | your ad hereThe 10th-ranked Swede, a surprising finalist in the French Open this year, was the only seeded player left in the tournament.
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