Roger Federer said it was time to go back to the drawing board after the Swiss tennis great lost the first match of his comeback-proper in Geneva on Tuesday.
In his first outing for two months, the 39-year-old lost 6-4, 4-6, 6-4 to Spanish clay court specialist Pablo Andujar to wreck his hopes of stringing a run of matches together ahead of a series of tournaments.
Federer tentatively returned to the courts in Doha in March, having been out for more than a year following two knee surgeries, winning his first match before losing his second.
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