No. 2 seed Elise Mertens of Belgium brushed off a loss in a first-set tiebreaker and got past Germany's Tatjana Maria 6-7 (3), 6-3, 6-1 on Thursday to advance to the quarterfinals of the Singapore Tennis Open.

No. 1 seed Anna Kalinskaya of Russia and No. 2 seed Elise Mertens of Belgium advanced to the semifinals of the Singapore Tennis Open with their respective victories Friday.

After crushing Taylor Townsend in the opening round, No. 2 seed Elise Mertens is now coming up against Tatjana Maria at the WTA 250 in Singapore. How will the Belgian handle her opponent’s tricky slice-and-dice game?