Irish number one Louk Sorensen secured a memorable opening day victory at the Shelbourne Irish Open at Fitzwilliam Lawn Tennis Club on Monday.
Sorenson beat number six seed Nicolas Tourte from France 6-3 7/6.
The 336-ranked Sorensen - playing against a player ranked 103 places higher on the ATP list - served well throughout and hit several big winners in each set off his powerful forehand.
He will now meet American Brendan Evans who earlier defeated John McGahon from Dundalk 6-3 6-2.
James Clusky gave a good account of himself before going down 7-6 6-4 to Ti Chen from Chinese Taipei.
Elsewhere, defending champion Mischa Zverev was extended to two tie breaks by the Latvian Andis Juska. The German prevailed 7-6 7-6.
Results for Monday, 2 July:
First Round
Ti Chen (TPE) bt James Clusky (IRL) 7-6 6-4
Brendan Evans (USA) bt John McGahon (IRL) 6-3 6-2
Mischa Zverev (GER) bt Andis Juska (LAT) 7-6 7-6
Lars Burgsmuller (GER) bt Stephane Bohli (SUI) 7-6 6-7 6-2
Louk Sorensen (IRL) bt Nicolas Tourte (FRA) 6-3 7-6