Andyc didn't explain "single minded". It came from a famous Ashes test match. This quote is from Wikipedia:
The final Test, at The Oval, was dominated by Gilbert Jessop and Hirst, but when England needed 263 to win in the final innings, Rhodes came into bat after the ninth wicket fell with 15 needed for England to win. It has been claimed that Hirst said to Rhodes, "We'll get 'em in singles", but neither batsman could remember those words being said and not all the runs came in singles