WATCH: French Open semi-finals - Federer v Nadal, Djokovic v Thiem - LIVE STREAM

The world's best tennis players compete for the 2019 French Open with day 13 semi-final action headlined by Roger Federer facing Rafael Nadal and Novak Djokovic's clash with Dominic Thiem.

Rafael Nadal, left, and Roger Federer Source: Getty Images

WATCH French Open day 13 semi-final coverage LIVE, FREE and in HD on SBS from 8:40pm (AEST) on Friday night, or LIVE STREAM via SBS Sport here / SBS On Demand.

2019 French Open day 13 - semi-finals - featured matches

Roger Federer (Switzerland) [3] v Rafael Nadal (Spain) [2]

Novak Djokovic (Serbia) [1] v Dominic Thiem (Austria) [4]