Career
López Jaén had a brief career at the top level of Juniors play, reaching a high of Number. 76 in April 2000 before turning his sights on pro tournaments. 2000 to 2007 López Jaén cracked the top-300 as a 20-year-old in 2003, but was sidelined by injury early in 2004.
He regained his form in 2007, when he again cracked the top-300 late in the year.
2008 From January through March, López Jaén met with limited success, failing to qualify in his Association of Tennis Professionals attempts, and having limited success at the Futures level However, in April, López Jaén qualified into his first Association of Tennis Professionals tournament, beating Number.
161 Dušan Vemić in the qualifying round before bowing out to Number. 27 Nicolás Almagro in the main draw in Valencia, Spain.
After failing to qualify the next week in Barcelona, he beat his first top-100 opponent, Number.
97 Peter Luczak, at a Challenger in Spain in May. Later in May, López Jaén qualified for the 2008 French Open, beating Number. 118 Brian Dabul and Number.
242 Alex Bogdanovic to gain entry into his first Grand Slam main draw.
111 Frank Dancevic in four tight sets, losing to World Number. 3 Novak Djokovic in the second round.
= Runner-up (1) Doubles (1).
