South Africa, who brought in paceman Lungi Ngidi for Beuran Hendricks, must win the game if they are to stand a realistic chance of reaching the semi-finals.
The athlete is locked in a bitter dispute with the IAAF over the federation's rule requiring women with higher than normal male hormone levels to artificially lower their testosterone to compete in races at distances of 400m to the mile.
The five-time Grand Slam champion has not played since the end of January after taking time out to recover from a shoulder injury but edged a tight opening set against Kuzmova before strolling through the second.
Chasing 322 for a famous victory, Shakib Al Hasan took complete control with an unbeaten 124 off 99 deliveries, as his ninth ODI century guided Bangladesh home with 51 balls to spare.
The Sharks secured a last gasp 12-9 victory to reach the playoffs and face the Brumbies, but the absence of powerful scrummager Tendai Mtawariwa is a setback to their chances.
Like the overgrown forests of Verdun, where a half a million German and French soldiers wasted their lives in the Great War’s meat-grinder, the scars of trauma are buried beneath the surface, remembered only by those who cannot forget.