On Thursday night, Monfils beat 12th seed Viktor Troicki of Serbia in three sets (3-6, 7-6 (0), 7-6 (5)), in an intense match that lasted 2 hours, 36 minutes.
After a slow start with two service breaks against him, Monfils was finally able to overcome his nerves. A perfect and decisive first game led to the impasse.
In the third set, Troicki broke Monfils and served for the match at 5-4. But the feisty Frenchman dismantled the Serb's methodological game. Back in the match, Monfils fought for the key game that led him to the win.
On Friday, Monfils will face Djokovic in what promises to be an exciting match-up.
Fish still going strong
Sixth seed Mardy Fish of the US extended his winning streak, coming from behind to dispose of tough opponent Ernests Gulbis of Latvia in three sets (4-6, 6-3, 6-4) in just over two hours. Fish will face Stanislas Wawrinka of Switzerland.
Janko Tipsarevic of Serbia ended Ivan Dodig's winning streak, defeating Nadal's nemesis in two easy sets of 6-1 and 6-4.