British number two Heather Watson made her experience count in a victory over Caty McNally that put her into the second round at Wimbledon.
The 27-year-old saved two set points in the first set before triumphing 7-6 (7-3) 6-2 against the 17-year-old American qualifier.
Watson faces 20th seed Anett Kontaveit or American Shelby Rogers next.
British men's number one Kyle Edmund opens his campaign against Spain's Jaume Munar later on Monday.
More to follow.