He defeated defending champion Juan Carlos Ferrero in the semifinals and Albert Montañés in the final.He also reached the final in Acapulco, losing to Carlos Moyà, and the quarterfinals in Halle and in 's-Hertogenbosch on grass.He turned professional in 2002, finishing as world No. 2002 was a good year for him, as he won his first Futures category title in Spain F1 and was runner-up in Spain F3.He played his pond career challenger in Segovia, where he reached the final after beating Belarusian Vladimir Voltchkov in the semifinals.He lost to Novak Djokovic in the fourth round of the French Open.In the previous rounds, he beat Jérôme Haehnel in the first round, Dmitry Tursunov in the second round, and David Ferrer in the third round.He lost his second round match in a close battle with Serbian Janko Tipsarević, who later went on to take Roger Federer to 5 sets.
He reached the quarterfinals in Stockholm and the semifinals in Kitzbühel, and won a doubles title in Stockholm (with countryman Feliciano López), ending the year ranked no. In 2005, he defeated Andy Roddick twice, in Miami and in Rome.
He then reached two additional Challenger semifinals in Kiev and in Eckental, finishing the year in the top 200 at no. 2002 also finished strongly off the court, as Fernando finished runner-up in a closely contested Best Abs in Castilla La Mancha contest.
In 2003, Verdasco played his first Masters Series tournament (Miami Masters).
However, in the second round he faced third seed Novak Đoković and after winning the first set, the Serb player won the next two. Petersburg Open, Verdasco played some brilliant tennis to reach the final without losing a single set.
En route to this final, he defeated Marin Čilić, who defeated Nikolay Davydenko early on, in the semifinal.