Three-time defending Qatar Open champion Iga Swiatek suffered a crushing 6-3, 6-1 defeat by Jelena Ostapenko in the semifinals on Friday, her fifth loss in as many meetings with the mercurial Latvian.

After a week of surprises at the Qatar Open, where just two Top-8 seeds progressed past the quarterfinals, the top players are looking to right the ship this week in the Dubai Tennis Championships, ...