BUCHAREST, Romania (AP) Gilles Simon of France was detained for nearly two hours by Janko Tipsarevic of Serbia before moving into the familiar territory of the Nastase Tiriac Trophy quarterfinals on Thursday.
Top-seeded Simon converted three of his five break points in winning the pair's 10th meeting 7-5, 6-4, as he improved his record in Bucharest to 19-3, having won the trophy in 2007-08 and 2012.
Countryman Gael Monfils, the second seed, beat Mikhail Youzhny of Russia 6-1, 6-2 for the first time in four matchups.
Monfils will next face eighth-seeded Simone Bolelli of Italy, who advanced to the quarterfinals for the third time this year by beating Andreas Haider-Maurer of Austria 6-4, 6-4.