Top seed David Ferrer and second seed Jo-Wilfried Tsonga both reached the semi-finals of the Auckland Open on Thursday.
Spanish star Ferrer always looked the better player when defeating Lukas Rosol of the Czech Republic) 6-3, 6-4 in a match lasting 73 minutes.
Rosol had his serve broken twice in the first set, third and ninth games, to lose the set 6-3 and in the second set, Ferrer broke serve in the 10th game to win the set and match 6-4.
Frenchman Tsonga got past Italian sixth seed Fabio Fognini in straight sets, winning 7-5, 7-6 (4) in one hour and 43 minutes.
The only break of serve took place in the 12th game of the first set in favour of the second seed. The match went with serve in the second set and was decided by a tie-breaker which Tsonga won 7-4.
In other quarter-final matches, Spanish eighth seed Roberto Bautista Agut caused an upset by downing American third seed John Isner in three sets, winning 7-5, 2-6, 6-3.
In another upset, unseeded Jack Sock of America beat South African fourth seed Kevin Anderson 1-6, 6-4, 6-4 in a match lasting one hour and 41 minutes.
In Friday’s semi-finals, Ferrer will be up against Sock while Tsonga faces Bautista Agut.