South Africa top-order batter Rassie van der Dussen conceded that his side needs to improve its ability to chase runs after Afghanistan bowlers made things difficult for them in the middle overs in their World Cup match here on Friday. Chasing 245 for victory, the Proteas got a good start with Quinton de Kock and Temba Bavuma stitching together a 64-run partnership but their departure led to a mini collapse which saw Aiden Markram (25), Heinrich Klaasen (10) and David Miller (24) not being able to convert starts. (Highlights | Scorecard | Full Coverage | Report)