Naomi Osaka will leave the Tokyo 2020 Olympics without a medal, as the four-time major champion was upset in the third round Tuesday by Marketa Vondrousova of the Czech Republic. Vondrousova, a 2019 French Open finalist, advances with the 6-1, 6-4 win. Osaka — who had 32 unforced errors in the match — isn’t the first big name to lose early in the women’s draw. World No. 1 and Wimbledon champion Ashleigh Barty of Australia lost in the opening round to Spain’s Sara Sorribes Tormo.