he accounted for diego schwartzman 6—3, 6—1, and will now play serbia's filip krajinovic.ishikori for the second time this season with a three—set victory. hurkacz has now won both of his meetings against nishikori, after also defeating the world number seven last month at the dubai tennis championships. in the women's event, 2015 champion simona halep has been knocked out losing in three sets to marketa vondrousova. the czech player stunned halep with four breaks in the first set to take it in 30 minutes, eventually wrapping it 6-2, 3-6, 6-2. the 19—year—old will now play elina svitolina in the quarter—finals, who needed more than three hours to see off ashleigh barty. elsewhere, garbine muguruza played some of her best tennis of the season to upset kiki bertens and book a spot in the last eight. the spanish 20th seed recovered in style after dropping her opening set, to win 5—7, 6—1, 6—3. tiger woods says the neck injury that forced him out of last weekend's arnold palmer invitational tournament has improved, but he has admitted that there will always be some pain after