South Africa saw off a spirited fightback from Afghanistan to win by five wickets in their final World Cup group game and consolidate second place in the standings.
The Proteas have 14 points from their nine games, two points ahead of Australia who play Bangladesh on Saturday. Both South Africa and Australia have already qualified for the semi-finals.
Afghanistan wrapped up their best ever World Cup campaign with four wins and also sealed a place in the Champions Trophy.
The Asian side opted to bat first and posted 244 in 50 overs on the back of Azmatullah Omarzai's unbeaten knock of 97, which included seven boundaries and three sixes, while Gerald Coetzee was the pick of the South African bowlers with figures of 4-44.
In response, South Africa opener Quinton de Kock set up the chase with a breezy 41 that took him to the top of the tournament's scoring charts on 591 runs.
Rassie van der Dussen (76 not out) then guided the Proteas home, stitching together a 65-run partnership with Andile Phehlukwayo (39 not out), who smashed the winning runs with a massive six over deep mid wicket in the 48th over.
Joao Cancelo and Joao Felix scored in each half to earn Barcelona a 2-1 comeback win at home against Porto on Tuesday that booked their spot in the Champions League knockout rounds for the first time in three seasons.
Manchester City's Julian Alvarez scored in the 87th minute as the European champions clawed their way back from two goals down to beat RB Leipzig 3-2 and clinch top spot in Champions League Group G on Tuesday with one round of matches remaining.
Glenn Maxwell's blistering century trumped India opener Ruturaj Gaikwad's unbeaten 123 as Australia clinched a last-ball victory in a thrilling third T20 International to stay alive in the five-match series on Tuesday.
Al-Nassr said their forward Cristiano Ronaldo "showed a great deal of sportsmanship" after he urged the referee in Monday's Asian Champions League game against Persepolis to reverse a penalty decision given in his favour.