Paris - Ten facts on Wednesday's French Open quarter-final between Novak Djokovic and Rafael Nadal.
- Djokovic and Nadal meet for a 44th time, the most played in a head-to-head at ATP Tour level in the Open Era.
- Djokovic has won five of their last six meetings but Nadal has won their last four Grand Slam matches and all six of their previous encounters at Roland Garros including the 2012 and 2014 finals.
- Djokovic is guaranteed to remain at world number one regardless of the outcome of the match. If Nadal loses he will drop to number 10 - his lowest since April 2005.
- Djokovic is on a 26-match Tour-level winning streak. He has not lost since falling to Federer in the final at Dubai in February. He has a 39-2 win-loss record in 2015.
- Defending champion Nadal is bidding to extend his unbeaten run at Roland Garros to 40 matches.
- Djokovic has reached the quarter-finals for the 24th straight Grand Slam.
- Nine-time winner Nadal has a 70-1 record at Roland Garros - his only loss came in 2009 when he was knocked out in the round of 16 by Robin Soderling.
- Since winning his first title at 2004 Sopot, Nadal has suffered just 20 defeats on clay - five of which have come this year, the most clay court defeats he has experienced in one season since 2003.
- By winning his fourth-round match Nadal became the first man to record 70 match-wins at Roland Garros. Roger Federer has the most match-wins at the Australian Open (75), and Jimmy Connors has the most at Wimbledon (84) and the US Open (98).
- Nadal is bidding to become the first player in the Open Era - and only the second player in history to win 10 titles at any Grand Slam event. Margaret Court is the only player in history to have won 10 or more titles at one Grand Slam event. Djokovic is chasing a first French Open and become only the eighth man to complete the career Grand Slam.