Teenagers David Phillipson and Jordanne Whiley claimed victory in the men's and women's singles at the Cardiff Wheelchair Tennis tournament.
Whiley is hoping to break into the world's top 50
Phillipson, 17, defeated Mark Agar 7-5 6-3 in the final after defeating top seed Alex Jewitt and Athens Paralympian Kevin Plowman in the earlier rounds.
Whiley, 14, claimed a 6-0 6-3 victory over top seed Debbie Thomas.
She also teamed up with fellow teenager Louise Hunt to beat Thomas and Eleanor Hind in the women's doubles decider.
They were the first main draw titles for both Phillipson and Whiley, who are targetting places at the Beijing and London Paralympics.