A video posted by Dan Jessen (@gilesmybutler) on Jan 8, 2015 at 11:22am PST

During doubles play:

A video posted by Benett Damian (@benettdamian) on Jan 8, 2015 at 12:17pm PST

No classic headband for Nadal tonight but he sure showed Novak how to respect his elders. The courtside seats weren't so bad either #TheSpaniard

A video posted by Dan Jessen (@gilesmybutler) on Jan 8, 2015 at 11:41am PST

A video posted by Shar Sorveto y Nuñez Miclat (@sharmiclat) on Jan 8, 2015 at 9:21am PST

A photo posted by Del (@del_olavides) on Jan 8, 2015 at 9:04am PST

Signing Autographs:

Rafael nadal 🎾😍#qatarexxonmobilopen #rafa

A photo posted by Aziz Alioua (@aziz2000alioua) on Jan 7, 2015 at 12:12pm PST

Rafa & fans:

I guess I became a VIP after so many photos with the tennis players 😄 #QatarExxonMobilOpen #qatartennis #ATP250Doha #RafaelNadal #Rafa #Nadal #tennis

A photo posted by @stefanija.trajanovska on Jan 7, 2015 at 11:33pm PST

A photo posted by Haytham Bieh Mokhtar ® ✅ (@haytham_mokhtar) on Jan 8, 2015 at 4:20am PST

A photo posted by Hebziii♉ (@hebziii) on Jan 8, 2015 at 12:15pm PST

A photo posted by Fajer Alboainin (@fajoorey_7) on Jan 8, 2015 at 1:57am PST

A photo posted by Abdelrahman Altholth (@altholth) on Jan 8, 2015 at 1:25pm PST

A photo posted by Abdelrahman Altholth (@altholth) on Jan 8, 2015 at 1:30pm PST

A photo posted by @stefanija.trajanovska on Jan 9, 2015 at 5:34am PST

#RafaelNadal #doubles #QatarExxonMobilOpen #ATP250Doha #qatartennis #Rafa #Nadal

A photo posted by @stefanija.trajanovska on Jan 9, 2015 at 10:34am PST