Complex sentence: He became the top-ranked South African player on 10 March 2008 after making the final at the 2008 Tennis Channel Open in Las Vegas, achieving a career-high ranking of World No.19 in August 2013.
Split into simpler sentences: He became the top-ranked South African player on 10 March 2008 after making the final at the 2008 Tennis Channel Open in Las Vegas. He achieved a career-high ranking of World No.19 in August 2013.