Britons Heather Watson and Katie Boulter fell to straight-set defeats within the first spherical at Indian Wells.
World quantity 113 Watson, 29, battled early in set one however didn’t take two break factors at 2-2 and Czech Tereza Martincova pushed on to a 6-2 6-1 win.
Boulter, 25, was damaged thrice in her opening set towards Italy’s Jasmine Paolini and misplaced 6-3 6-2.
British curiosity within the event rests on Heather Dart and Emma Raducanu, who’re each into spherical two.
Nevertheless, British qualifiers Watson and Boulter each struggled to achieve a footing in testing contests performed out in blustery situations in California.
Martincova merely proved too sturdy for Watson, successful 62.8% of factors on her first serve, in comparison with the 43.3% achieved by her rival.
The 27-year-old – who’s world quantity 42 – will now play defending champion Paula Badosa of Spain.
Paolini took all 5 of her break factors on the day and eased to victory, regardless of giving up her personal serve twice within the opening set.
The world quantity 46 will now face number-two-seed Aryna Sabalenka in spherical two.
