2003 US Open Cup All 10 MLS teams qualify. Chicago qualifies automatically for the Rd of 16. 28 May: US Open Cup Draw 4-8 Jun: First Round (4 PDL [IV], 4 USASA) 25 Jun: Second Round (2 PDL [IV], 6 PSL [III]) 16 Jul: Third Round (8 ALG [II], DC and Metro) 6 Aug: Fourth Round (Remaining 8 MLS ) 27 Aug: Quarterfinals 23-24 Sep: Semifinals 15 or 22 Oct: Final