(Reuters) - Wimbledon men's singles second round results on Thursday (prefix number denotes seeding, * new result)

* 19-Stanislas Wawrinka (Switzerland) beat Martin Vassallo Arguello (Argentina) 6-3 6-2 6-2

* Juan Carlos Ferrero (Spain) beat Fabrice Santoro (France) 6-7(1) 6-3 6-4 6-3

3-Andy Murray (Britain) beat Ernests Gulbis (Latvia) 6-2 7-5 6-3

12-Nikolay Davydenko (Russia) beat Victor Crivoi (Romania) 6-4 6-4 6-2

16-David Ferrer (Spain) beat Fabio Fognini (Italy) 6-2 6-2 6-3

Philipp Petzschner (Germany) beat Mischa Zverev (Germany) 4-6 7-6(13) 3-6 7-6(5) 6-0

6-Andy Roddick (U.S.) beat Igor Kunitsyn (Russia) 6-4 6-2 3-6 6-2

Andreas Seppi (Italy) beat Marc Gicquel (France) 7-5 6-4 6-7(3) 5-7 6-4

8-Gilles Simon (France) beat Thiago Alves (Brazil) 5-7 6-3 6-4 6-4

Lleyton Hewitt (Australia) beat 5-Juan Martin del Potro (Argentina) 6-3 7-5 7-5

26-Juergen Melzer (Austria) beat Benjamin Becker (Germany) 7-6(6) 6-3 7-6(1)

20-Tomas Berdych (Czech Republic) beat Paul-Henri Mathieu (France) 6-2 6-4 6-4

31-Victor Hanescu (Romania) beat Nicolas Devilder (France) 6-2 6-3 6-1

(Compiled by Infostrada Sports; Editing by Tom Pilcher)