Following is the head-to-head record of Rafael Nadal and Grigor Dimitrov ahead of Friday's Australian Open semifinal in Melbourne (prefix number denotes seeding):

9-Rafael Nadal vs 15-Grigor Dimitrov

Nadal leads 7-1 (tournament, surface, round, winner, score)

2016 Beijing Hard QF Dimitrov 6-2, 6-4

2015 Basel Hard R16 Nadal 6-4, 4-6, 6-3

2015 Madrid Clay QF Nadal 6-3, 6-4

2014 Rome Clay SF Nadal 6-2, 6-2

2014 Australian Open Hard QF Nadal 3-6, 7-6 (7-3), 7-6 (9-7), 6-2

2013 Cincinnati Hard R16 Nadal 6-2, 5-7, 6-2

2013 Monte Carlo Clay QF Nadal 6-2, 2-6, 6-4

2009 Rotterdam Hard R16 Nadal 7-5, 3-6, 6-2

source: Xinhua