In-form seamer James Anderson is confident the English pace attack won't lose any of its potency in the third Ashes Test starting Thursday at the WACA Ground, despite a couple of untimely setbacks.

After their second Test triumph in Adelaide to take a 1-0 lead in the series, England can retain the Ashes with a win here, but will need to do so without fast bowler Stuart Broad, who has been ruled out of the rest of the tour with an abdominal strain.