Simona Waltert def. Petra Marcinko 5-7, 6-4, 6-2 — Cincinnati Open 2026 R128

Match recap

Simona Waltert defeated Petra Marcinko 5-7, 6-4, 6-2 in the R128 of the Cincinnati Open 2026.

The margin lived entirely on the break points. Waltert took four of her eight chances while Marcinko, whom the betting market had installed as a 53 percent favorite, converted two of 11, and the points ledger closed 101-100 across 201 played. Down a break in the decider, the WTA No. 90 broke back in game 5 for 2-3 and went through again in game 7 for 4-3, winning 77 percent of her first-serve points in that set to Marcinko's 69. Two hours and 26 minutes on court ended a six-match losing run dating to May, and the Cincinnati Open loses the WTA No. 53 at the first hurdle.

Match stats

Simona Waltert: 6 aces, 100% first serves, 8 double faults, 4/8 break points. Petra Marcinko: 4 aces, 67% first serves, 4 double faults, 2/11 break points.

Profiles: Simona Waltert · Petra Marcinko — Cincinnati Open 2026

Head-to-head

This is the first meeting between Simona Waltert and Petra Marcinko.