Two quarters from the top of the draw:
DJOKOVICmade life very difficult for Muller, by getting a lot of serves back in play, by serving extremely well himself and by having a machine-like efficiency once the rallies started, dispatching anything that dropped even remotely short and retrieving with great quality just about every ball. Still, Muller managed to hang in there with some great serves, some great volleys and a quality from the back of the court that really surprised me and easily explains why the guy skyrocketed to his best ranking ever as a 31 year old. Sadly for the underdog, he did not manage to reach a breaker, losing serve in the middle of the first and late in the 2nd and third. A shame when you consider he had 4 break points early in the third and when you consider his tie-break record for the year: played 12, won 10! Talking about record, that's the 23rd Grand Slam quarter final in row for Djokovic (a streak started in 2009's Wimbledon). Still some work to reach Federer's 36, but getting there: he need to keep on doing that until the French Open in 2018.
vs
RAONICproved that he has very good composure against Lopez. After losing a breaker in the 4th set in which he had two match points, including one on his own serve that started by a 200+ km/h first serve in the corner of the box that somehow came back just about as fast, he managed to keep his cool and play the fifth just as if nothing had happened. It's Lopez who blinked first and gifted an early break with a poor service game.
You let me know how this one goes, because I am not watching it!
WAWRINKAfound himself in a strange position against Garcia-Lopez. If you look at the shot production and at the athleticism, Wawrinka does everything better than Garcia-Lopez. It should be a done deal then, right? Wrong. Because Garcia-Lopez manages his shots and his game plan better. The spaniard manages to find a very good balance between offence and defense and makes very good shot selections in both departments. That allows him to keep things clean and tricky the whole way through, when Wawrinka's super aggressive game plan is bigger, more impressive, but full of ups and downs. That allowed from a pretty dramatic match, with Wawrinka pulling the rug under the feet of his opponents in the first set (winning a breaker after G-L served for the set), Garcia-Lopez surprising the swiss with some rear-guard action, extending the match to a fourth set from 4-2 down in the third and it all climaxed on the mother of turnabout: a fourth set breaker in which Garcia-Lopez lead 5-0 and then 6-2 but that Wawrinka somehow won 10-8 to avoid very dangerous fifth set.
vs
NISHIKORIalso does everything a little better than Ferrer, but the worst thing for the spaniard is that Nishikori's mastery of the court's geometry and his ability to find acute angles with his very reliable backhand totally prevent the spaniard to implement his favorite game plan, which is to start hitting forehands from his backhand corner. To be able to do that though you need short, poorly angled or floaty balls that give you the time to run around your backhand, but Nishikori's quality of shots just made that close to impossible. To had insult to injury, Nishikori played a pretty up and down match and it still ended 6-3 6-3 6-3 for the japanese player!
This could be a very interesting one, because if Nishikori is very good at implementing a game plan, Wawrinka's specificity is that there really is no clear game plan against him as the swiss has no shortage of weapons. They met at the same stage in the previous Slam and it ended in a close 5 sets win for Nishikori.