Christopher O'Connell def. Casper Ruud 7-5, 1-2 (ret.) — Cincinnati Open 2026 R64

Match recap

Christopher O'Connell defeated Casper Ruud 7-5, 1-2 (ret.) in the R64 of the Cincinnati Open 2026.

A new name sits atop Christopher O'Connell's list of biggest wins, displacing Grigor Dimitrov, beaten at ATP No. 16 in Dubai last February. Against Casper Ruud, a 75 percent market favorite, O'Connell took both break points he earned and landed 13 aces to the No. 11 seed's one, winning 41 of the 81 points played. Ruud managed one break from his two looks and eight winners to O'Connell's 20. The 133rd-ranked advancer moves on to the Round of 32.

Match stats

Christopher O'Connell: 13 aces, 20 winners, 57% first serves, 0 double faults, 2/2 break points. Casper Ruud: 1 ace, 8 winners, 54% first serves, 1 double fault, 1/2 break points.

Profiles: Christopher O'Connell · Casper Ruud — Cincinnati Open 2026

Head-to-head

This is the first meeting between Christopher O'Connell and Casper Ruud.