Here's a round up of all the matches that took place in men's singles draw on Day 6:

[2] R Nadal (ESP) d [18] F Lopez (ESP) 64 64 62
World No.2 Rafael Nadal thrashed fellow Spaniard
Feliciano Lopez in the fourth round of the Australian
Open on Sunday. Nadal will now face Tomas Berdych
of Czech republic in the quarter finals and will aim to
reach his first semi-final in three years.
[3] R Federer (SUI) d B Tomic (AUS) 64 62 62
Swiss Maestro Roger Federer outclassed Australian
superstar Bernard Tomic to book his place in his 9th
straight quarter final in Melbourne. Fed -Ex hit 13
aces and 45 winners throughout the match.
He will now face Argentine Juan Martin Delpotro
in the quarter finals.
[7] T Berdych [CZE] d [10] N Almagro 46 76(5) 76(3) 76(2)
[11] J del Potro [ARG] d P Kohlschreiber 64 62 61
Berdych and Juan Martin Delpotro are also through to the quarter finals after
ousting their respective opponents yesterday.
Watch the highlights of Day 7 here :
Following are the Key Matches to be held on Day 8 (23rd January) at the Australian Open 2012 :
[1] N Djokovic (SRB) vs L Hewitt (AUS)
[4] Murray (GBR) vs M Kukushkin (KAZ)
[17] R Gasquet (FRA) vs [5] D Ferrer (ESP)
[24] K Nishikori (JPN) vs [6] J Tsonga (FRA)
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