Complex sentence: Sitak partnered Polish tennis player Mateusz Kowalczyk to win the 2014 MercedesCup doubles title, defeating Philipp Oswald and Guillermo Garcia-Lopez 2-6 6-1 (10-7) in the final.
Split into simpler sentences: Sitak partnered Polish tennis player Mateusz Kowalczyk to win the 2014 MercedesCup doubles title. Defeating Philipp Oswald and Guillermo Garcia-Lopez 2-6 6-1 (10-7) in the final.