Herschelle Gibbs became the first man to hit six sixes in an over in a one-day international while Jacques Kallis smashed an unbeaten century as South Africa inflicted a 221-run ICC CWC defeat on the Netherlands here on Friday.Gibbs hit a 40-ball 72 coupled with Kallis's unbeaten 128 as South Africa's batsmen pulverised Dutch bowling to muster 353-3 in a Group A match reduced to 40-over-a-side.Ryan ten Doeschate then hit a fighting 57 as the Netherlands managed 132-9 in their 40 overs.Doeschate shared a 42-run sixth wicket stand with Tim de Leede who made 21, in an otherwise dismal batting show by the Dutch.Earlier Mark Boucher joined the South Africa run-feast with a rapid-fire 31-ball, unbeaten 75 which included nine boundaries and four sixes.He also hit the fastest half-century in a ICC CWC match beating West Indian Brian Lara's 23-ball feat against Canada at Centurion in 2003 by two deliveries.