British teenager Kyle Edmund secured the first ever victory in his senior career after beating French world number 82 Kenny de Scheppers in Eastbourne.
The 18-year-old, who received a wildcard to enter the Aegon International at Eastbourne, triumphed 6-4 6-4.
Edmund is ranked 442 in the World and spoke of his delight after his first senior win.
"I'm just happy to get the win after getting the wildcard and this great opportunity," Edmund told BBC Sport.
Edmund faces a tough task in round two when he faces Gilles Simon who is seeded second in the tournament. However, Simon picked up an ankle injury in training on Monday and could withdraw from the tournament.
Edmund only made his ATP debut at Queen's Club last week when he lost in the first round to Slovakia's Grega Zemlja 6-4 7-6 (7-4). But he dominated his match in Eastbourne beating Scheppers in straight sets.
Edmund won the US and French Open boy's doubles and didn't face a single break point during his encounter with the Frenchman whilst breaking his serve twice.
The South-African born player has also got a wildcard for Wimbledon and hopes he can produce performances like that every week.
"It's nice to get this win," said Edmund. "I've been training hard after the loss at Queen's. I've been really focusing on the returning, which was just as well because he's got a big serve.
"It's nice to know I can play at that level, but to do it week in, week out, is a different challenge and I want to be able to do that."
Elsewhere, there was more joy for British tennis with Heather Watson producing an impressive 6-3 6-4 win against American Varvara Lepchenko, the world number 27.
Watson, ranked 57 in the world, dropped serve early on but fought back to win in one hour and 26 minutes.
She has only recently returned to action after two months out with glandular fever and was pleased with her performance acknowledging that it was a tough game.
"It was tough and there were just two breaks after those first games," said the 21-year-old. "I thought I served better, moved better. I had a lot more energy, I was quicker and my reactions were better today."
Watson will now face Elena Vesnina in the last 32 after the Russian produced a shock performance to beat seventh seed Ana Ivanovic.
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