Chinese tennis ace Zheng Saisai got the better of fourth-seeded Agnieska Radwanska of Poland at the ongoing 2016 Summer Olympic Games in Rio de Janeiro, Brazil on Saturday on the first day of the tennis competition.

According to Xinhua, Zheng, 22, ousted the current world No. 5 in two straight sets 6-4, 7-5. The first-round match lasted for one hour and 39 minutes.

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The right-handed native of Shaanxi was the more active player in the match when Zheng, going to the net and winning 12 points in her 20 attempts, compared to Radwanska's 9-18.

"She didn't play her best tennis. I know she arrived late so I am really lucky," Zheng said. "I was really relaxed today with the happiness of playing for my country."

According to SuperSport, the Chinese tennis star made the most of a humdrum game performance from the 27-year-old former world No. 2, racking up 14 000km. Radwanska only arrvived in Brazil on Wednesday.

Radwanska played at the Montreal WTA tournament last week but was stranded in the Canadian city when her connecting flight to Miami was canceled due to a mechanical failure.

Radwanska flew to New York but was unable to make it to Florida as the adverse weather conditions delayed her flight. She jetted to Lisbon before flying to Rio.

"I spent three days in an airport so that was not the best preparation. I could have used more practice," Radwanska said. "I just didn't have enough time."

TagsZheng Saisai, Agnieszka Radwanska, Rio Olympics 2016, wta, wta rankings