The team was a participant at the Quidditch World Cup in 2014. Their seeker, Jacques Miskine, narrowly missed catching the Snitch at the close of a marathon three-day match against Liechtenstein (Pm).
Chad (capital city N'Djamena) is located in Central Africa. Although their national team was a participant in a Quidditch World Cup tournament, there are not any Quidditch teams or other wizard sports mentioned in the country's current Wikipedia entry (Wikipedia).
From the Web
Writing by J.K. Rowling on Pottermore:
- History of the Quidditch World Cup
- 2014 Quidditch World Cup reports
- 2014 Quidditch World Cup final
- The Daily Prophet
Pottermore enhanced reading experience: Quidditch World Cup
Screenshots of the original Daily Prophet coverage of the 2014 Quidditch World Cup on Pottermore: Imgur archive
Harry Potter Wiki: Chadian National Quidditch Team