Andy Murray and Tara Moore made it a four-strong British presence in the Wimbledon second round and Johanna Konta looks likely to join them.
Murray cruised through his all-British clash against Liam Broady 6-2 6-3 6-4 while Moore beat Belgium’s Alison van Uytvanck 6-3 6-2 to win a grand slam match for the first time.
They moved into round two to join compatriots Dan Evans and Marcus Willis, who both won their opening matches on Monday.
Konta was also on course to progress as she led Monica Puig 6-1 2-1 before persistent rain meant play had to be abandoned for the night at the All England Club.
British number two Aljaz Bedene was beaten by seventh seed Richard Gasquet and 17-year-old Katie Swan lost to world number 44 Timea Babos.
Murray needed just an hour and 43 minutes to see off Broady, ranked 233 spots lower than the Scot, and he will now take on Chinese Taipei’s Lu Yen-hsun on Thursday.
Moore’s result, however, was less expected.
The British number four had lost both of her previous matches at Wimbledon, in 2013 and 2014, but will earn £50,000 for playing in round two, where she now meets Russian 13th seed Svetlana Kuznetsova.
“I’m definitely going out for dinner tonight,” Moore said. “I have a feeling it’s on me, for some reason.”
Moore added: “The last few times I was here I had a couple of tough losses but I definitely played really well.
“I know my level was there. That wasn’t the reason why I probably lost those matches. I definitely feel like I’m supposed to be here and this is my time.”
Bedene was unable to inflict a similar shock as he lost 6-3 6-4 6-3 to Gasquet, who reached the semi-finals last year.
The Slovenian-born 26-year-old Bedene, who moved to Hertfordshire in 2008, said he was suffering slightly from a “runny nose” on Court Three but admitted he simply was not consistent enough to go through.
“Honestly I missed too many shots or just went to his better shot like the backhand instead of his forehand,” Bedene said. “On previous days I felt better in training but just today when I woke up I felt like something’s wrong.”
Swan also fell at the first hurdle, losing 6-2 6-3 to Babos in what was her first senior appearance at Wimbledon.
The teenager just about matched Babos in attack, hitting 13 winners to her opponent’s 15, but ultimately made too many errors.
“I was quite nervous at the start, but as it went on I thought I got into it better and better,” Swan said.
“She’s top 50 and I can compete with her. That’s definitely a good confidence boost for me going forward.”
British number one Konta was a victim of the bad weather as her match against Puig was suspended.
Konta left Court One in a commanding position, however, leading the Puerto Rican and seemingly on the brink of her first Wimbledon win.
Heather Watson’s encounter against Germany’s Annika Beck, scheduled to go last on Court Two, was also postponed until Wednesday.