Venus Williams lost to fellow American Madison Keys on Monday night, falling 6-2, 7-5 in the opening round of the National Bank Open.
The 43-year-old Williams, a seven-time Grand Slam champion, dropped to 2-4 in six career matches versus the 28-year-old Keys.
The 16th-ranked Keys broke Williams twice in the first set. She recorded two more breaks in the second and held on for the triumph.
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Keys, who also is playing with fellow American Jennifer Brady in the women’s doubles tournament, now faces Italian Jasmine Paolini in the round of 32.
The Czech Republic’s Karolina Pliskova posted a 6-3, 6-7 (8), 6-2 victory over China’s Lin Zhu in the opening round. Rebecca Marino of Vancouver was eliminated by Britain’s Katie Boulter, 6-3, 6-1.
Pliskova, ranked No. 23 in the world, had 11 aces and seven double-faults. She converted five of 16 break points.
Zhu had two aces and eight double-faults. She broke on two of her three chances.
As the second set started, Boulter continued to assert her dominance, breaking Marino’s serve and building a 3-0 lead. She clinched the straight-sets victory in 65 minutes.
Boulter had an incredible performance at the Rothesay Open in June, earning her first career WTA singles title. Next up is a match versus Coco Gauff.
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