LONDON (AP)—Wimbledon has announced a 40 percent increase in prize money for this year's tournament and plans to build a retractable roof over Court No. 1.

The All England Club says total prize money will be 22.6 million pounds ($34.4 million), an increase of 6.5 million pounds ($9.9 million) from last year.

The club calls it is the largest single increase and biggest total prize money in the history of professional tennis.

The men's and women's singles champions will reach receive 1.6 million pounds ($2.4 million), up from 1.15 million pounds ($1.75 million) a year ago.