Johanna Konta, the 13th seed, suffered a health scare when she collapsed during her second-round match on Court 13. She won the first set against Tsvetana Pironkova, but appeared to be struggling in the high 80s weather and humidity. While serving to force a tiebreaker in the second set, she fell to her knees on the baseline gasping for breath. A doctor and a trainer attended to her, and helped her to her chair.

“I’d experienced it once before, I didn’t start crying,” Konta said. “I don’t know if anyone’s had a panic attack, but that’s basically what it feels like, except my muscles are shaking as well. But, yeah, so I knew straightaway I needed to get ice on myself, try to get my breathing down, start just really calm myself down and in turn my muscles and my heart calmed down as well. That’s basically what happened. It was basically very embarrassing.”

Play resumed after the medical timeout and Pironkova won the second set, with Konta then leaving the court for a comfort break. When she returned she immediately broke Pironkova and went on to a 6-2, 5-7, 6-2 win. Konta, from Britain, reached the fourth round of the Open last year and the semifinals of the Australian this year.

Rubin loses in doubles

Merrick’s Noah Rubin and partner Daniel Nguyen lost in the doubles Wednesday to Nick Kyrgios and Daniel Evans, 6-3, 6-3. Rubin just missed qualifying for the Open when he lost in the third round of qualifying last week. He will play mixed doubles with Jamie Loeb.

Vinci returns with high ranking

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Roberta Vinci has had a long and successful career, though she’s never won a Grand Slam. But likely her most famous victory was knocking Serena Williams out of the U.S. Open last year in the semifinals.

Vinci lost in the final to countrywoman Flavia Pennetta. Pennetta retired right after the match. Vinci, at 33, continues on and continues to play well. She came into last year’s tournament as the 43rd ranked player in the world. Now she’s number eight. And now she’s into the third round after a 6-1, 6-3 victory over American Christina McHale.

That mean’s things are different at this Open. “It’s nice of course to come back. But of course you have a lot of pressure,” Vinci said. “Now I’m 7 in the world [she confused her seeding with her ranking]; a lot of points to defend. But probably the key is don’t think about this.

“And then, of course, it’s better to be No. 7 than 43 in the world.”