Rajiv Ouseph claimed a unprecedented sixth successive English National Championship title with victory over rival Carl Baxter in Manchester.
The English number one, ranked 34 in the world, proved too strong for Baxter for the fifth year in a row, winning 21-13 21-15 in 30 minutes at the National Cycling Centre.
The 26-year-old Londoner, who competed at last summer's Olympics, now has his sights set on Darren Hall's all-time record of 10 men's singles titles.
Ouseph said: "Darren's 10 is obviously a target but I will take it one year at a time."
In the women's singles, third seed Sarah Walker came from behind to beat seventh seed Fontaine Chapman 11-21 21-18 21-18.
Leeds Metropolitan University student Chapman had enjoyed a dream run to the final after four years of injury problems, most notably overcoming top seed Liz Cann in the last eight.
But she was unable to maintain the momentum after a powerful start and was edged out in close second and third games.
Walker said: "I'm really happy but relieved. That was such a nervy game.
"I just tried to keep it together at the end and I'm really happy I got through."
Top seeds Chris Langridge and Heather Olver claimed their first national mixed doubles title with a tense 21-14 24-22 win over third seeds Marcus Ellis and Alyssa Lim.
Langridge and Olver were pegged back after easing through the first game and trailed 20-15 in the second before recovering.
After surviving seven game points, Langridge and Olver pulled through to take victory in 52 minutes.
Langridge said: "I was really pleased. If someone had said before the tournament I was going to be national mixed champion I would have snapped their hand off.
"In the second set they gave us a good fight and, to be honest, we were lucky to snatch it.
"It could have gone either way and if it had gone to a third set anything could have happened."
Langridge ended the day with two titles to his name as he and Peter Mills came from behind to triumph in the men's doubles final.
The pair overcame Chris Adcock and his stand-in partner Marcus Ellis 13-21 21-16 22-20 on their second match point.
Gabby White secured her fourth successive women's doubles title as she and new partner Lauren Smith beat Olver and Mariana Agathangelou - now losing finalists in four successive years - 21-9 21-9.
Update:
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