Estrella Diaz, a 23-year-old political newcomer, held a lead of five votes – 783-778 – over 37-year-old military veteran and artist Alex Carmona in unofficial results as of 8:34 p.m. Tuesday.

While the early and in-person votes have been counted, vote-by-mail ballots could change some outcomes in some races.

Let's start with the theory. The Durban Country Club, venue of the South African Open, is quite short and has many ...