There remains plenty of work to do for the Premier League leaders, who will be disappointed they were unable to gain a bigger advantage for next week’s second leg.
Pochettino's side earned a slender first-leg advantage thanks to a clinical strike from South Korea forward Son Heung-min late in the second half at the Tottenham Hotspur Stadium on Tuesday.
The defending champions lost by four runs on the DLS Method, having dominated their opening game, with weather playing a big part in the eventual outcome.
The International Olympic Committee, Commonwealth Games, the International Cricket Council and Fifa are just some of the major sporting federations that have criticised Icasa's proposed draft regulations.
Defender Wayne Arendse was not on the initial team sheet that was handed to match officials on the day of the match in October last year and joined the team on the pitch from the stands.