Karlović suffered a knee injury and missed two months of play.
He reached the final of the Hall of Fame Open for the third time against Gilles Müller, which he won in three tiebreaks.
At the age of 37 and 5 months, he became the oldest player to win an ATP title since 1979.
He reached an ATP World Tour 500 series tournament at the Washington Open (tennis), which he lost to Gaël Monfils.
He then won the Los Cabos Open, beating Feliciano López in straight sets and returned to the top 20 again at 37 years and 6 months.
Karlović suffered a knee injury and missed two months of play. He reached the final of the Hall of Fame Open for the third time against Gilles Müller, which he won in three tiebreaks. At the age of 37 and 5 months, he became the oldest player to win an ATP title since 1979. He reached an ATP World Tour 500 series tournament at the Washington Open (tennis), which he lost to Gaël Monfils. He then won the Los Cabos Open, beating Feliciano López in straight sets and returned to the top 20 again at 37 years and 6 months.
Ivo Karlović