According to Luca Brancher, the master of stats you wonder about but probably can’t find, Karlovic was just the third 39-year-old since 1990 to reach an ATP quarterfinal when he did it Wednesday in Houston.
The others were Jimmy Connors and Tommy Haas.
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Karlovic reached the quarters at the NY Open in February. But that was a couple of weeks before his birthday, when he was a mere lad of 38.
And on Friday, with a win over an ailing Nick Kyrgios, Karlovic became the oldest man since 1993 to reach an ATP Tour semifinal.
