England women's captain, Clare Connor, leads The Braves in defence of their Super Fours title in Oxford on Saturday.
Connor, the Channel 4 cricket presenter, is one of 48 elite women players, selected for four teams - The Braves, The Knight Riders, The Super Strikers and The V Team.
Matches will be played at The Parks and Marston University grounds.
Super Fours was devised to ensure that the country's leading players faced each other in regular competition before the international season.
It was implemented by the England and Wales Cricket Board (ECB) to bridge the gap between the domestic game and the international arena.
England selectors will attend the matches and players will be competing for a place in the national squad to face South Africa in August.
England's vice-captain, Charlotte Edwards, will lead The Knight Riders, who include Oxford graduate Lucy Pearson.
Pearson took a world-record 11-wicket haul in the recent Ashes Test match against Australia in Sydney, including a career-best 7-51 in the first innings.
Another Oxford graduate, Claire Taylor, will captain The Super Strikers.
The four teams compete on a round-robin basis, playing matches over five weekends from tomorrow, before returning to Oxford for the concluding games on Saturday, June 21.
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