Fabio Fognini, Fernando Verdasco advance at Stockholm Open

Fabio Fognini and Fernando Verdasco booked their spots in the Stockhom Open quarterfinals Wednesday.

Fognini, the No. 6 seed, had to rely on a third-set tiebreaker to see off home wild card Elias Ymer, eventually coming through with a 6-4, 3-6, 7-6 (7) victory.

No. 8 seed Verdasco is also through following a 6-4, 6-2 win over Jurgen Zopp.

Elsewhere, Mischa Zverev saw off wild card Mikael Ymer 1-6, 7-5, 6-4 in their round of 32 match. Qualifier Jerzy Janowicz defeated Frenchman Pierre-Hugues Herbert 6-2, 3-6, 6-3 to reach the last 16.

Jan-Lennard Struff fought back from a set down to beat Marius Copil 6-7 (2), 6-4, 7-6 (12). Viktor Troicki is also into the last 16 following a 6-3, 6-3 triumph against qualifier Simone Bolelli.