British number one Johanna Konta reached the second round of the Nottingham Open after compatriot Tara Moore was forced to retire.
Konta was 6-2 3-0 up when British number four Moore pulled up injured.
The 26-year-old, ranked eighth in the world, has now amassed 300 career singles victories and will play Belgian Yanina Wickmayer in the second round.
Fellow Briton Heather Watson starts her campaign on Tuesday against last year's runner-up, American Alison Riske.
British wildcard Laura Robson went out of the grass-court event on Monday, losing in the first round against Julia Boserup of the USA, while top men's seed Dan Evans was forced to pull out through injury.