the number nine seed beat her fellow czech katerina siniakova in straight sets., 6—4 to ease into the last 32 where she'll face either carol zhao or kiki bertens. golf's final major of the year gets underway on thursday when the world's top players tee up for the pga championship, the 100th edition. justin thomas will be defending the title that he won at quail hollow last year, and he's in good form after winning the wgc bridgestone invitational on sunday. a win that moves him up to number two in the world. austin halewood reports. a first tall in for five months. with less than a week to go until the year's final major, justin thomas is peaking atjust the right time. as play got under way in ohio, tiger woods came out firing. the eighth time course winner 11 shots behind from the start and his aggressive play didn't pay off. woods dropping back and out of the running. while challengers from jason day and rory mcilroy never materialised, dustinjohnson threatened something spectacular. the world number 110 shots back from the start hit six birdies on the front ni