She beat then - No. 85 Klara Koukalova , another Czech , in the opening round at Johannesburg in 2010 .
Simmonds , 23 , recorded the second - biggest victory of her career .
Simmonds beat then - No. 85 Klara Koukalova , another Czech , in the opening round at Johannesburg in 2010 .
Simmonds , 23 , recorded the second - biggest victory of her career .