Boulter demolished world No 7 Paolini 6-0 in the first set of their Merida Open quarter-final but the Italian hit back to battle through

Britain's Katie Boulter reaches the quarter-finals of the Merida Open in Mexico as Camila Osorio retires with injury.

Britain's Katie Boulter reaches the quarter-finals of the Merida Open in Mexico as Camila Osorio retires with injury.

British number three Katie Boulter fails to build on a brilliant start against Jasmine Paolini in the Merida Open quarter-finals.

Britain's Katie Boulter reaches the quarter-finals of the Merida Open in Mexico as Camila Osorio retires with injury.

Boulter took victory in straight sets against Haddad who slumped to a sixth defeat in seven matches

Britain's Katie Boulter reaches the quarter-finals of the Merida Open in Mexico as Camila Osorio retires with injury.

Britain's Katie Boulter reaches the quarter-finals of the Merida Open in Mexico as Camila Osorio retires with injury.