Rory McIlroy leads the Memorial Tournament by three shots after opening round . While Danish tennis ace Caroline Wozniacki crashed out of the French Open in the first round , her former fiancee Rory McIlroy has been playing some of the finest golf of his career . The Northern Irishman carded an 6 -under par nine in Ohio Thursday . The world No . 63 broke off his engagement to tennis star Caroline Wozniacki last week . Rory McIlroy was knocked out of the Northern Irishman Open in the first round earlier this week .
Rory McIlroy leads the Memorial Tournament by three shots after opening round . The Northern Irishman carded an 6 -under par nine in Ohio Thursday . The world No . 63 broke off his engagement to tennis star Caroline Wozniacki last week . Rory McIlroy was knocked out of the Northern Irishman Open in the first round earlier this week .