Complex sentence: He was the second seed but in the semifinal against Sweden's Robin Söderling, Davydenko landed on his wrist, and injured it, but continued to play and lost to the eventual champion, 7--6,6--4.
Split into simpler sentences: He was the second seed but, in the semifinal against Sweden's Robin Söderling Davydenko landed on his wrist, and injured it. He continued to play and lost to the eventual champion, 7--6,6--4.