Sweden's Madelene Sagstrom topped the leaderboard after a bogey-free 5-under 66 as the Olympic women's golf tournament began Wednesday.
Japanese golfers Nasa Hataoka and Mone Inami both shot opening-round 70s.
Following the high drama of a nail-biting seven-way playoff for men's bronze this past weekend, the women's 72-hole event got underway in extreme heat and humidity at Kasumigaseki Country Club in Saitama Prefecture.
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