Question: Which tennis player, Kevin Ullyett or Jonathan Marray, competed on the singles tour, reaching world no. 215 in April 2005, but was unable to continue his singles career, in part due to injuries?
Sentence (from "Tommy Haas"): His first period of injury saw him miss the whole of the 2003 season, and he did not return to the world's top 10 until 2007.
Relevant evidence: No