Chris Evert, 1974: June 3rd through roughly July 3rd.
Tournaments won: 3. The French Open (didn't drop a set), Eastbourne (dropped one set to Morozova), and Wimbledon (won first match [2nd round] 8-6, 5-7, 11-9, and never dropped a set again).
Match Win-Loss record: 17-0.
Set Win-Loss record: 34-2.
Game Win-Loss record: 224-106.