Complex sentence: Klein subsequently returned to the Futures Circuit in an attempt regain form, and able to secure his first singles title in over a year when he defeated compatriot John Millman in three sets in Little Rock, Arkansas in April 2010.
Split into simpler sentences: Klein subsequently returned to the Futures Circuit in an attempt regain confidence. He was able to secure his first singles title in over a year when he defeated compatriot John Millman in three sets in Little Rock, Arkansas in April 2010.