He reached a career - high No15 last year , at 31 , and Marcel Granollers , aged 27 , reached a high of 19 last summer .
Lopez , like many others on the Spanish list , has improved with age , too .
Lopez reached a career - high No15 last year , at 31 , and Marcel Granollers , aged 27 , reached a high of 19 last summer .
Lopez , like many others on the Spanish list , has improved with age , too .