The entrants as at are as follows:-
| Entered | Name | Club | FIDE Rating | ECF Grade | Bye? |
| Sunningdale Open |
| FM Genovese, Maurizio | Italy | 2267 | No |
| Pafura, Godfrey | Southampton | 2109 | 171 | No |
| Seyfried, Claus | Germany | 2087 | 185 |
| Mangione, Claudio | Lincoln | 2087 | No |
| Coates, David | Lincoln | 2068 | 189 | No |
| Holland, James | Maidenhead | 2034 | 192 |
| Boudkeev, Timour | Switzerland | 1838 | 143 | No |
| Number of Players = 7 |
| 25 July 2010 |
| Entered | Name | Club | FIDE Rating | ECF Grade | Bye? |
| Sunningdale Major |
| Wadsworth, Matthew | Maidenhead | 1865 | 158 | Round 1 |
| Clayton, Tristan | Epsom | 1795 | 154 | No |
| Anderson, Thomas R | Southampton | 160 | Round 5 |
| Johnson, Richard | HM Treasury | 147 | No |
| Banda, Graham | Cowley | 130 | No |
| Number of Players = 5 |
| 28 July 2010 |
Entered
Name
Club
FIDE Rating
ECF Grade
Bye?
Sunningdale Minor
Stone, Mark
Petts Wood &
1619
131
Round 1
Thacker, Stephen
West Nottingham
130
No
Wadsworth, James
Maidenhead
106
Round 1
Number of Players = 3
25 July 2010
Ratings shown are July 2010 ratings