5. 2011 - Beat Kei Nishikori
Federer started his 12th Basel campaign with a straight-sets win over Italian Potito Starace. He then dropped a set against 2007 finalist Jarkko Nieminen but pulled out a win in three to reach his 11th quarterfinal at the tournament.
The Swiss maestro overcame American Andy Roddick and then his good friend Stan Wawrinka in straight sets in his next two matches, to reach his eighth Basel final where Japan's Kei Nishikori lay in wait.
Federer beat Nishikori 6-1, 6-3 in the title match to celebrate his 5th Basel title. It marked the fourth time Federer won a tournament for the fifth time - Wimbledon, Halle, and US Open being the others.
6. 2014 - Beat David Goffin
Following defeats to Juan Martin del Potro in his previous two Basel finals, Federer marked his 15th appearance at his hometown tournament with a straight-sets win over Luxembourg's Gilles Müller. Denis Istomin stretched Federer to three sets in the next round before wins over Grigor Dimitrov and big-serving Ivo Karlović landed the Swiss maestro in his 11th Basel title match.
Belgian David Goffin offered little resistance in the final, as Federer sealed his first Basel title in three years, for his sixth triumph overall. It was the Swiss maestro's fifth title of the season, after Dubai, Halle, Cincinnati and Shanghai.
7. 2015 - Beat Rafael Nadal
Federer opened his 16th Basel campaign with a straight-sets win against Mikhail Kukushkin before dropping a set in the second round against Philipp Kohlschreiber.
Successive victories over the previous year's finalist David Goffin and American Jack Sock respectively set up a title showdown against his nemesis Rafael Nadal.
Despite a 5-14 head-to-head deficit in all title clashes leading into the Basel title match, Federer made the brighter start, taking the first set 6-3. Nadal fought back with a 7-5 second set to force a decider. But it was Federer who won the contest in three sets to end a 5-match losing streak in all competitions against the Spaniard.
The win would kick-start a run of 5 successive wins for Federer against Nadal.
The title triumph marked Federer's seventh title in his hometown, and sixth title of the season.
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