World No 48 Sevastova has matched her best run at a Slam -- a fourth round spot at the Australian Open in 2011 .
World No 48 Sevastova briefly retired from the sport in 2013 .
World No 48 Sevastova , who briefly retired from the sport in 2013 , has matched her best run at a Slam -- a fourth round spot at the Australian Open in 2011 .