By Canadian Press

Kazakhstan’s Elena Rybakina advances to National Bank Open semifinals

Aug 4, 2025 | 5:39 PM

MONTREAL — Kazakhstan’s Elena Rybakina advanced to the National Bank Open semifinals after Ukraine’s Marta Kostyuk was forced to retire with an apparent arm injury while trailing 6-1, 2-1 in women’s singles action Monday.

Rybakina, the ninth seed, converted three of her 10 breakpoint chances in the quarterfinal matchup at IGA Stadium. The players shook hands at the 54-minute mark before the 24th-seeded Kostyuk exited the court in tears.

After the third game, Kostyuk’s trainers wrapped her forearm in medical tape.

Rybakina will face the winner of Monday night’s matchup between Canadian teen sensation Victoria Mboko and Jessica Bouzas Maneiro of Spain.

Mboko upset top-seeded Coco Gauff of the United States in straight sets Saturday, winning the lopsided match in just 62 minutes.

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This report by The Canadian Press was first published Aug. 4, 2025.

Daniel Rainbird, The Canadian Press