The U-23s were due to travel for a mini-tournament in the United Arab Emirates this month to face Brazil, Argentina and South Korea next week.
However, with the trip now being cancelled, two friendlies have been organised to face fellow African Olympic participants Egypt ahead of the global showpiece.
Golden Arrows' PSL Goalkeeper of the Season candidate Sifiso Mulungwana, Kaizer Chiefs right-back Reeve Frosler and Goodman Mosele are among the names brought into the squad after previously missing out.
Goalkeepers: Mondli Mpoto, Lincoln Vyver, Sifiso Mulungwana.
Defenders: Tercious Malepe, Katlego Mohamme, Thendo Mukumela, Luke Fleurs, Bongani Sam, Keanu Cupido, Kamogelo Mahlangu, Reeve Frosler.
Midfielders: Luke Le Roux, Thabo Cele, Goodman Mosele, Athenkosi Dlala, Grant Margeman, Kobamelo Kodisang, Nkosingiphile Ngcobo, Rowan Human, Kamohelo Mahlatsi.
Forwards: Fagrie Lakay, Luther Singh, Keletso Makgalwa, Lyle Foster, Liam Jordan.