Defending women’s champion Elena Rybakina had to come from a set down to beat Shelby Rogers in three-sets in their Wimbledon first round match.
Last year’s beaten finalist Ons Jabeur needed just 76-minutes to beat Magdalena Frech 6-3 6-3.
Men’s top seed Carlos Alcaraz beat Jeremy Chardy 6-love, 6-2, 7-5 to advance to round-2.
Under the roof on Centre Court, Andy Murray completed a straight sets win over Ryan Peniston.
When rain interrupted play on the outside courts, fifth seed Stefanos Tsitsipas lost the first set of his first round tie to Dominic Thiem.