England head into the first and only Test of their Ashes series on Tuesday knowing that Australia, now 4-2 up in the multi-format series after taking the One Day Internationals 2-1, have found the X-factor so sorely lacking at present in their men. Captain Meg Lanning is living up to her status as number one batter in the world having struck a sublime century in the second ODI to take her series tally to 195.