Sergiy suffered a 6-4, 4-6, 3-6 defeat to Edouard Roger-Vasselin in the first qualifying round at the BNP Paribas Masters on Saturday. The match lasted one hour and 50 minutes. Stako broke three times from six opportunities, while the Frenchman converted four of his nine chances.
Stats : aces (5-2), double faults (6-3), total points won (86-88).
Sergiy suffered a 3-6, 4-6 defeat to world no.28 Grigor Dimitrov at the Swiss Indoors Basel on Tuesday. The first round encounter lasted 68 minutes.
Dimitrov broke once in each set, while Stako did not have a single break point opportunity during the third career meeting between the two. The Bulgarian now leads their H2H series 2-1.
Stats: aces (4-4), double faults (5-0), 1st serve points won % (68-83), total points won (49-64).
Sergiy paired with Robin Haase in the doubles competition. They lost to Dominic Inglot and Robert Lindstedt in the first round, 1-6, 4-6.
ATP no.66, Sergiy, suffereed second round exit at the Erste Bank Open on Wednesday, falling to no.7 seed Ivo Karlovic 4-6, 5-7. The big-serving Croat advanced in 68 minutes, breaking Stako once in each set and denying him a single break point chance.
Stats: aces (5-10), double faults (1-1), 1st serve points won % (74-89), total points won (52-65). Karlovic now has a 4-2 career H2H mark with the Kiev native.
Sergiy advanced into the Erste Bank Open second round with a 6-4, 6-4 victory over German qualifier, world no.105 Jan-Lennard Struff, on Tuesday.
Stako broke once in the first set to take a one-set lead. He surrendered serve early in the second set, but responded with two breaks to seal the win in one hour and 20 minutes.
Stats: aces (10-6), double faults (1-8), total points won (74-62).
Sergiy will take on no.7 seed Ivo Karlovic for a place in the ATP World Tour 500 event quarter-finals. The Croat leads their H2H 3-2.
Sergiy suffered a 4-6, 2-6 loss to world no.136 Jan-Lennard Struff of Germany in the Open d'Orleans quarter-final on Friday.
The top-seeded Ukrainian was broken three times during the 64-minute match, having failed to convert his only break point.
Stats: aces (2-8), double faults (3-3), 1st serve points won % (66-80), total points won (51-63).
Top seed at the Open d'Orleans, Sergiy, defeated world no. 151 Andrey Golubev of Kazakhstan 6-1, 6-3 to progress into the challenger event quarter-finals on Thursday. The match lasted 73 minutes.
Stako broke four times from 10 chances, having saved all five break points he faced.
Stats: aces (3-1), double faults (2-5), total points won (75-58).
Sergiy will next play against Jan-Lennard Struff (GER) who upset no.5 seed Ivan Dodig in three sets.